TY  - CHAP
A1  - Meskouris, Konstantin
A1  - Holler, Stefan
A1  - Butenweg, Christoph
A1  - Meiners, Daniel
T1  - A multiphase model with hypoplastic formulation of the solid phase and its application to earthquake engineering problems
T2  - Computational structural dynamics and earthquake engineering / ed. by Manolis Papadrakakis .... (Structures and infrastructures series ; 2)
Y1  - 2009
SN  - 978-0-415-45261-8
U6  - https://doi.org/10.1201/9780203881637.ch19
SP  - 293
EP  - 308
PB  - CRC Press
CY  - Boca Raton, Fla. [u.a.]
ER  - 
TY  - CHAP
A1  - Göttsche, Joachim
A1  - Schwarzer, Klemens
A1  - Röther, Sascha
A1  - Jellinghaus, Sabine
A1  - Helten, G.
A1  - Wittmann, R.
T1  - Efficient daylighting, heating and shading with rooflight heliostats
T2  - Renewables in a changing climate : from Nano to Urban Scale : CISBAT 2009 : 2-3 September 2009, EPFL, Lausanne, Switzerland : proceedings
Y1  - 2009
SP  - 243
EP  - 246
PB  - Ecole Polytechnique Fédérale de Lausanne
CY  - Lausanne
ER  - 
TY  - CHAP
A1  - Spurmann, Jörn
A1  - Ohndorf, Andreas
A1  - Dachwald, Bernd
A1  - Seboldt, Wolfgang
A1  - Löb, Horst
A1  - Schartner, Karl-Heinz
T1  - Interplanetary trajectory optimization for a sep mission to Saturn
T2  - 60th International Astronautical Congress 2009
N2  - The recently proposed NASA and ESA missions to Saturn and Jupiter pose difficult tasks to mission designers because chemical propulsion scenarios are not capable of transferring heavy spacecraft into the outer solar system without the use of gravity assists. Thus our developed mission scenario based on the joint NASA/ESA Titan Saturn System Mission baselines solar electric propulsion to improve mission flexibility and transfer time. For the calculation of near-globally optimal low-thrust trajectories, we have used a method called Evolutionary Neurocontrol, which is implemented in the low-thrust trajectory optimization software InTrance. The studied solar electric propulsion scenario covers trajectory optimization of the interplanetary transfer including variations of the spacecraft's thrust level, the thrust unit's specific impulse and the solar power generator power level. Additionally developed software extensions enabled trajectory optimization with launcher-provided hyperbolic excess energy, a complex solar power generator model and a variable specific impulse ion engine model. For the investigated mission scenario, Evolutionary Neurocontrol yields good optimization results, which also hold valid for the more elaborate spacecraft models. Compared to Cassini/Huygens, the best found solutions have faster transfer times and a higher mission flexibility in general.
KW  - Spacecraft
KW  - Reusable Rocket Engines
KW  - Hybrid Propellants
Y1  - 2009
SN  - 9781615679089
N1  - 60th International Astronautical Congress 2009 (IAC 2009)
Held 12-16 October 2009, Daejeon, Republic of Korea.
SP  - 5234
EP  - 5248
ER  - 
TY  - CHAP
A1  - Krüger, Dirk
A1  - Anthrakidis, Anette
A1  - Fischer, Stephan
A1  - Lokurlu, Ahmet
A1  - Walder, Markus
A1  - Croy, Reiner
A1  - Quaschning, Volker
T1  - Experiences with solar steam supply for an industrial steam network in the P3 Project
T2  - SolarPACES 2009 : electricity, fuels and clean water powered by the sun ; 15 - 18 September 2009, Berlin, Germany ; the 15th SolarPACES conference ; proceedings
Y1  - 2009
SN  - 9783000287558
PB  - Deutsches Zentrum f. Luft- u. Raumfahrt
CY  - Stuttgart
ER  - 
TY  - CHAP
A1  - Warerkar, Shashikant
A1  - Schmitz, Stefan
A1  - Göttsche, Joachim
A1  - Hoffschmidt, Bernhard
A1  - Reißel, Martin
A1  - Tamme, Rainer
T1  - Air-sand heat exchanger for high-temperature storage
T2  - Proceedings of the ASME 3rd International Conference on Energy Sustainability : July 19 - 23, 2009, San Francisco, California, USA. Vol. 2
Y1  - 2009
SN  - 978-0-7918-4890-6
SP  - 655
EP  - 661
PB  - ASME
CY  - New York, NY
ER  - 
TY  - CHAP
A1  - Matcha, Heike
A1  - Quasten, Gero
T1  - A Parametric-Typological Tool: More Diversity for Mass Produced Single Family Homes Through Parametrized Design and Customized Mass Production
T2  - Computation: The New Realm of Architectural Design [27th eCAADe Conference Proceedings
Y1  - 2009
SN  - 978-0-9541183-8-9
SP  - 409
EP  - 416
ER  - 
TY  - CHAP
A1  - Karzer, Rüdiger
A1  - Matcha, Heike
T1  - Experimental design-build: teaching parameter-based design
T2  - Computation: The New Realm of Architectural Design [27th eCAADe Conference Proceedings]
Y1  - 2009
SN  - 978-0-9541183-8-9
U6  - https://doi.org/10.52842/conf.ecaade.2009.153
SP  - 153
EP  - 158
ER  - 
TY  - CHAP
A1  - Bitz, Andreas
A1  - Klomp, D.W.
A1  - Ladd, M.E.
T1  - Experimental and numerical determination of SAR and temperature distribution of a human endorectal coil for MR imaging of the prostate at 7T (903.)
T2  - 16th annual ISMRM scientific meeting and exhibition 2008 : Toronto, Ontario, Canada, 3 - 9 May 2008
Y1  - 2009
SN  - 978-1-61567-196-0
PB  - Curran
CY  - Red Hook, NY
ER  - 
TY  - CHAP
A1  - Czarnecki, Christian
A1  - Heuser, Marcus
A1  - Spiliopoulou, Myra
ED  - Irani, Zahir
T1  - How does the implementation of a next generation network influence a telecommunication company?
T2  - European and Mediterranean Conference on Information Systems
N2  - As the potential of a Next Generation Network (NGN) is recognized, telecommunication companies consider switching to it. Although the implementation of an NGN seems to be merely a modification of the network infrastructure, it may trigger or require changes in the whole company and even influence the company strategy. To capture the effects of NGN we propose a framework based on concepts of business engineering and technical recommendations for the introduction of NGN technology. The specific design of solutions for the layers "Strategy", "Processes" and "Information Systems" as well as their interdependencies are an essential characteristic of the developed framework. We have per-formed a case study on NGN implementation and observed that all layers captured by our framework are influenced by the introduction of an NGN.
KW  - Next Generation Network
KW  - Business Engineering
KW  - Telecommunication
Y1  - 2009
SN  - 9781902316697
N1  - European and Mediterranean Conference on Information Systems 2009 (EMCIS2009), July 13-14, 2009, Crowne Plaza Hotel, Izmir
SP  - 1
EP  - 11
PB  - Brunel University
CY  - London
ER  - 
TY  - CHAP
A1  - Alexopoulos, Spiros
A1  - Breitbach, Gerd
A1  - Hoffschmidt, Bernhard
T1  - Optimization of the channel form geometry of porous ReSiC ceramic membrane modules
T2  - Proceedings / International Conference & Exhibition for Filtration and Separation Technology, FILTECH 2009 : October 13 - 15, 2009, Wiesbaden, Germany. Vol. 2
Y1  - 2009
SN  - 978-3-941655-36-2
SP  - 686
EP  - 693
PB  - Filtech Exhibitions Germany
CY  - Meerbusch
ER  - 
TY  - CHAP
A1  - Ahlbrink, Nils
A1  - Alexopoulos, Spiros
A1  - Andersson, Joel A. E.
A1  - Belhomme, B.
A1  - Teixeira Boura, Cristiano José
A1  - Gall, Jan
A1  - Hirsch, Tobias
T1  - viCERP - the Virtual Institute of Central Receiver Power Plant
T2  - MATHMOD 2009 - 6th Vienna International Conference on Mathematical Modelling : February 11 - 13, 2009, Vienna, Austria. ARGESIM Report. No. 35
Y1  - 2009
SN  - 978-3-901608-35-3
PB  - Elsevier
CY  - Amsterdam
ER  - 
TY  - CHAP
A1  - Dachwald, Bernd
A1  - Wurm, P.
T1  - Mission analysis for an advanced solar photon thruster
T2  - 60th International Astronautical Congress 2009, IAC 2009
N2  - The so-called "compound solar sail", also known as "Solar Photon Thruster" (SPT), is a solar sail design concept, for which the two basic functions of the solar sail, namely light collection and thrust direction, are uncoupled. In this paper, we introduce a novel SPT concept, termed the Advanced Solar Photon Thruster (ASPT). This model does not suffer from the simplified assumptions that have been made for the analysis of compound solar sails in previous studies. We present the equations that describe the force, which acts on the ASPT. After a detailed design analysis, the performance of the ASPT with respect to the conventional flat solar sail (FSS) is investigated for three interplanetary mission scenarios: An Earth-Venus rendezvous, where the solar sail has to spiral towards the Sun, an Earth-Mars rendezvous, where the solar sail has to spiral away from the Sun, and an Earth-NEA rendezvous (to near-Earth asteroid 1996FG3), where a large orbital eccentricity change is required. The investigated solar sails have realistic near-term characteristic accelerations between 0.1 and 0.2mm/s2. Our results show that a SPT is not superior to the flat solar sail unless very idealistic assumptions are made.
KW  - Interplanetary flight
Y1  - 2009
SN  - 978-161567908-9
N1  - 60th International Astronautical Congress 2009, IAC 2009; Daejeon; South Korea; 12 October 2009 through 16 October 2009
VL  - 8
SP  - 6838
EP  - 6851
PB  - Elsevier
CY  - Amsterdam
ER  - 
TY  - CHAP
A1  - Schartner, Karl-Heinz
A1  - Loeb, H. W.
A1  - Dachwald, Bernd
A1  - Ohndorf, Andreas
T1  - Perspectives of electric propulsion for outer planetary and deep space missions
T2  - European Planetary Science Congress 2009
N2  - Solar-electric propulsion (SEP) is superior with
respect to payload capacity, flight time and
flexible launch window to the conventional
interplanetary transfer method using chemical
propulsion combined with gravity assists. This fact
results from the large exhaust velocities of electric
low–thrust propulsion and is favourable also for
missions to the giant planets, Kuiper-belt objects
and even for a heliopause probe (IHP) as shown in
three studies by the authors funded by DLR. They
dealt with a lander for Europa and a sample return
mission from a mainbelt asteroid [1], with the
TANDEM mission [2]; the third recent one
investigates electric propulsion for the transfer to
the edge of the solar system.
All studies are based on triple-junction solar arrays,
on rf-ion thrusters of the qualified RIT-22 type and
they use the intelligent trajectory optimization
program InTrance [3].
Y1  - 2009
N1  - European Planetary Science Congress 2009, 13-18 September, Potsdam, Germany
SP  - 416
EP  - 416
ER  - 
TY  - CHAP
A1  - O\'Heras, Carlos
A1  - Digel, Ilya
A1  - Temiz Artmann, Aysegül
T1  - Nanostructured carbon-based column for LPS/protein adsorption : [abstract]
N2  - The absence of a general method for endotoxin removal from liquid interfaces gives an opportunity to find new methods and materials to overcome this gap. Activated nanostructured carbon is a promising material that showed good adsorption properties due to its vast pore network and high surface area. The aim of this study is to find the adsorption rates for a carboneous material produced at different temperatures, as well as to reveal possible differences between the performance of the material for each of the adsorbates used during the study (hemoglobin, serum albumin and lipopolysaccharide, LPS).
KW  - Kohlenstofffaser
KW  - Adsorption
KW  - Lipopolysaccharide
KW  - aktivierte nanostrukturierte Kohlenstofffaser
KW  - lipopolysaccharides
KW  - activated nanostructured carbon
Y1  - 2009
ER  - 
TY  - CHAP
A1  - ElBashir, Rasha
A1  - Digel, Ilya
T1  - Effect of nitric oxide gas on hydrogels : [abstract]
N2  - The results support our theory that the NO gas has an influence in increasing the translational diffusion of hydrogels and it accelerates the melting process of the gels.
KW  - Stickstoffmonoxid
KW  - Hydrogel
KW  - nitric oxide gas
KW  - hydrogel
Y1  - 2009
ER  - 
TY  - CHAP
A1  - Bassam, Rasha
A1  - Digel, Ilya
A1  - Artmann, Gerhard
T1  - Effect of nitric oxide on protein thermal stability : [abstract]
N2  - As a deduction from these results, we can conclude that proteins mainly in vitro, denaturate totally at a temperature between 57°C -62°C, and they also affected by NO and different ions types. In which mainly, NO cause earlier protein denaturation, which means that, NO has a destabilizing effect on proteins, and also different ions will alter the protein denaturation in which, some ions will cause earlier protein denaturation while others not.
KW  - Stickstoffmonoxid
KW  - Proteine
KW  - Hämoglobin
KW  - nitric oxide gas
KW  - protein
KW  - hemoglobin
Y1  - 2009
ER  - 
TY  - CHAP
A1  - Gehler, M.
A1  - Ober-Blöbaum, S.
A1  - Dachwald, Bernd
T1  - Application of discrete mechanics and optimal control to spacecraft in non-keplerian motion around small solar system bodies
T2  - Procceedings of the 60th International Astronautical Congress
N2  - Prolonged operations close to small solar system bodies require a sophisticated control logic to minimize propellant mass and maximize operational efficiency. A control logic based on Discrete Mechanics and Optimal Control (DMOC) is proposed and applied to both conventionally propelled and solar sail spacecraft operating at an arbitrarily shaped asteroid in the class of Itokawa. As an example, stand-off inertial hovering is considered, recently identified as a challenging part of the Marco Polo mission. The approach is easily extended to stand-off orbits. We show that DMOC is applicable to spacecraft control at small objects, in particular with regard to the fact that the changes in gravity are exploited by the algorithm to optimally control the spacecraft position. Furthermore, we provide some remarks on promising developments.
KW  - Spacecraft
Y1  - 2009
SN  - 978-161567908-9
N1  - 60th International Astronautical Congress 2009, IAC 2009; Daejeon; South Korea; 12 October 2009 through 16 October 2009
SP  - 1360
EP  - 1371
PB  - Elsevier
CY  - Amsterdam
ER  - 
TY  - CHAP
A1  - Digel, Ilya
A1  - Dachwald, Bernd
A1  - Artmann, Gerhard
A1  - Linder, Peter
A1  - Funke, O.
T1  - A concept of a probe for particle analysis and life detection in icy environments
N2  - A melting probe equipped with autofluorescence-based detection system combined with a light scattering unit, and, optionally, with a microarray chip would be ideally suited to probe icy environments like Europa’s ice layer as well as the polar ice layers of Earth and Mars for recent and extinct live.
KW  - Sonde
KW  - Eisschicht
KW  - Autofluoreszenzverfahren
KW  - Lichtstreuungsbasierte Instrumente
KW  - autofluorescence-based detection system
KW  - light scattering analysis
Y1  - 2009
ER  - 
TY  - CHAP
A1  - Alexopoulos, Spiros
A1  - Hoffschmidt, Bernhard
A1  - Rau, Christoph
A1  - Schwarzbözl, Peter
T1  - Simulation results for a hybridization concept of a small solar tower power plant
T2  - SolarPACES 2009 : electricity, fuels and clean water powered by the sun ; 15 - 18 September 2009, Berlin, Germany ; the 15th SolarPACES conference ; proceedings
Y1  - 2009
SN  - 9783000287558
PB  - Deutsches Zentrum f. Luft- u. Raumfahrt
CY  - Stuttgart
ER  - 
TY  - CHAP
A1  - Schlenkhoff, Andreas
A1  - Bung, Daniel Bernhard
T1  - Prediction of oxygen transfer in self-aerated skimming flow on embankment stepped spillways
T2  - Water engineering for sustainable environment : 33rd IAHR congress ; 9 - 14 August 2009, Vancouver, British Columbia, Canada
Y1  - 2009
SN  - 9789078046080
SP  - 1 CD-ROM
ER  - 
TY  - CHAP
A1  - Bung, Daniel Bernhard
A1  - Schlenkhoff, Andreas
A1  - Oertel, M.
T1  - Self-aerated skimming flow on embankment stepped spillways
T2  - Water engineering for sustainable environment : 33rd IAHR congress ; 9 - 14 August 2009, Vancouver, British Columbia, Canada
Y1  - 2009
SN  - 9789078046080
SP  - 1 CD-ROM
ER  - 
TY  - CHAP
A1  - Oertel, M.
A1  - Bung, Daniel Bernhard
A1  - Schlenkhoff, Andreas
T1  - Flash flood awareness and prevention
T2  - Water engineering for sustainable environment : 33rd IAHR congress ; 9 - 14 August 2009, Vancouver, British Columbia, Canada
Y1  - 2009
SN  - 9789078046080
SP  - 1 CD-ROM
ER  - 
TY  - CHAP
A1  - Funke, Harald
A1  - Esch, Thomas
A1  - Roosen, Peter
ED  - Bartz, Wilfried J.
T1  - Using motor gasoline for aircrafts - coping with growing bio-fuel-caused risks by understanding cause-effect relationship
T2  - Fuels 2009 : mineral oil based and alternative fuels ; 7th international colloquium ; January 14 - 15, 2009
N2  - The utilisation of vehicle-oriented gasoline in general aviation is very desirable for both ecological and economical reasons, as well as for general considerations of availability. As of today vehicle fuels may be used if the respective engine and cell are certified for such an operation. For older planes a supplementary technical certificate is provided for gasoline mixtures with less than 1 % v/v ethanol only, though. Larger admixtures of ethanol may lead to sudden engine malfunction and should be considered as considerable security risks. Major problems are caused by the partially ethanol non-withstanding materials, a necessarily changed stochiometric adjustment of the engine for varying ethanol shares and the tendency for phase separation in the presence of absorbed water. The concepts of the flexible fuel vehicles are only partially applicable in the view of air security.
Y1  - 2009
SN  - 978-3-924813-75-8
SP  - 237
EP  - 244
PB  - Technische Akademie Esslingen (TAE)
CY  - Ostfildern
ER  - 
TY  - CHAP
A1  - Herrmann, Ulf
A1  - Vorbrugg, O.
A1  - Nava, P.
T1  - Construction and Commissioning Process of the Andasol Solar Field
T2  - SolarPACES 2009 : electricity, fuels and clean water powered by the sun ; 15 - 18 September 2009, Berlin, Germany ; the 15th SolarPACES conference ; proceedings
Y1  - 2009
SN  - 978-3-00-028755-8
PB  - Deutsches Zentrum für Luft- u. Raumfahrt
CY  - Stuttgart
ER  - 
TY  - CHAP
A1  - Ferrein, Alexander
A1  - Potgieter, Anet
A1  - Steinbauer, Gerald
T1  - Self-aware robots - What do we need from learning, deliberation, and reactive control?
T2  - HYCAS 2009 : International Workshop on Hybrid Control of Autonomous Systems : Integrating Learning, Deliberation and Reactive Control : Pasadena, Calif., 13 July 2009
Y1  - 2009
SP  - 1
EP  - 5
PB  - AAAI Pr.
ER  - 
TY  - CHAP
A1  - Kemper, Hans
A1  - Hellenbroich, Gereon
A1  - Esch, Thomas
T1  - Concept of an innovative passenger-car hybrid drive for European driving conditions
T2  - Hybrid vehicles and energy management : 6th symposium ; 18th and 19th February 2009, Stadthalle Braunschweig
N2  - The downsizing of spark ignition engines in conjunction with turbocharging is considered to be a promising method for reducing CO₂ emissions. Using this concept, FEV has developed a new, highly efficient drivetrain to demonstrate fuel consumption reduction and drivability in a vehicle based on the Ford Focus ST. The newly designed 1.8L turbocharged gasoline engine incorporates infinitely variable intake and outlet control timing and direct fuel injection utilizing piezo injectors centrally located. In addition, this engine uses a prototype FEV engine control system, with software that was developed and adapted entirely by FEV. The vehicle features a 160 kW engine with a maximum mean effective pressure of 22.4 bar and 34 % savings in simulated fuel consumption. During the first stage, a new electrohydraulically actuated hybrid transmission with seven forward gears and one reverse gear and a single dry starting clutch will be integrated. The electric motor of the hybrid is directly connected to the gear set of the transmission. Utilizing the special gear set layout, the electric motor can provide boost during a change of gears, so that there is no interruption in traction. Therefore, the transmission system combines the advantages of a double clutch controlled gear change (gear change without an interruption in traction) with the efficient, cost-effective design of an automated manual transmission system. Additionally, the transmission provides a purely electric drive system and the operation of an air-conditioning compressor during the engine stop phases. One other alternative is through the use of CAI (Controlled Auto Ignition), which incorporates a process developed by FEV for controlled compression ignition.
Y1  - 2009
SN  - 978-3-937655-20-8
SP  - 264
EP  - 287
PB  - Gesamtzentrum für Verkehr (GZVB)
CY  - Braunschweig
ER  - 
TY  - CHAP
A1  - Gall, Jan
A1  - Abel, Dirk
A1  - Ahlbrink, Nils
A1  - Andersson, Joel A. E.
A1  - Diehl, Moritz
A1  - Pitz-Paal, Robert
A1  - Schmitz, Mark
A1  - Teixeira Boura, Cristiano José
T1  - Optimized control of hot-gas cycle for solar thermal power plants
T2  - Proceedings of the 7th International Modelica Conference : Como, Italy, 20-22 September 2009 / Francesco Casella, ed.
Y1  - 2009
SN  - 978-91-7393-513-5
SP  - 490
EP  - 495
PB  - The Modelica Association
ER  - 
TY  - CHAP
A1  - Fredebeul-Krein, Markus
T1  - Time for revision: The regulation of Germany's next generation networks in the light of new economic and technological challenges on telecom markets : Presentation for the 18th Biennial conference of the International Telecommunications Society, June 24–27, 2008 Montreal, Canada
N2  - On 1st January 1998, the German telecom market was fully liberalised. Since then genuine competition between market participants has developed, based on a comprehensive legal and regulatory framework that provides for safeguards against unfair competition and market power by Deutsche Telekom. Today, about 10 years after the liberalisation of the telecommunications sector a revision of this regulatory approach has become necessary because at least on three dimensions the situation is quite different from the one 10 years ago: First, with numerous established alternative operators in the market monopolies have been successfully challenged and competition introduced. Second, not only is Cable TV becoming in large parts of Germany a viable alternative for the provision of broadband services but also mobile services are becoming increasingly a substitute for fixed services. Last but not least there are important technological changes under way, requiring huge investments in infrastructure upgrades for next generation networks. In the light of these new developments the question is to which extent the current regulatory approach of severe ex-ante regulatory intervention is still appropriate. Is any part of the network of the former incumbent still a bottleneck? A more light handed regulatory approach might be the right response to this new situation. The paper is organised as follows: The first section will briefly examine the economic rationale for regulating network access. Based on the assumption that regulation is always necessary when bottlenecks exist regulatory principles for an efficient network access regime will be derived. The second section compares the situation of the German market in early 1998 with the one of today. Thereby three dimensions will be considered: the degree of competition, the potential for substitution and technological developments. The third section will define some requirements for the future regulation of telecom markets. Proposals will be elaborated how to ensure competitive telecom markets in the light of new economic and technological challenges.
KW  - Telekommunikationsmarkt
KW  - Telekommunikationsmarkt
Y1  - 2008
ER  - 
TY  - CHAP
A1  - Fredebeul-Krein, Markus
A1  - Haunert, Martina
T1  - Assessing the effectiveness of price cap regimes for the regulation of fixed telephony markets: has it been successful in achieving competition? : preliminary draft / by Markus Fredebeul-Krein and Martina Haunert. 19th European Regional ITS Conference of the International Telecommunications Society, September 17–19, 2008 Rome, Italy
N2  - 1. Introduction 2. Tariff regulation, rebalancing and price caps 3. Price cap regimes in selected European countries 4. Has price cap regulation been successful? 5. Regulatory implications for other countries
KW  - Telekommunikationsmarkt
KW  - Telekommunikationsmarkt
Y1  - 2008
ER  - 
TY  - CHAP
A1  - Christen, Marc
A1  - Bartelt, Perry
A1  - Kowalski, Julia
A1  - Stoffel, Lukus
T1  - Calculation of dense snow avalanches in three-dimensional terrain with the numerical simulation programm RAMMS
T2  - Proceedings ISSW 2008 ; International Snow Science Workshop. Whistler 2008
N2  - Numerical models have become an essential part of snow avalanche engineering. Recent
advances in understanding the rheology of flowing snow and the mechanics of entrainment and
deposition have made numerical models more reliable. Coupled with field observations and historical
records, they are especially helpful in understanding avalanche flow in complex terrain. However, the
application of numerical models poses several new challenges to avalanche engineers. A detailed
understanding of the avalanche phenomena is required to specify initial conditions (release zone
dimensions and snowcover entrainment rates) as well as the friction parameters, which are no longer
based on empirical back-calculations, rather terrain roughness, vegetation and snow properties. In this
paper we discuss these problems by presenting the computer model RAMMS, which was specially
designed by the SLF as a practical tool for avalanche engineers. RAMMS solves the depth-averaged
equations governing avalanche flow with first and second-order numerical solution schemes. A
tremendous effort has been invested in the implementation of advanced input and output features.
Simulation results are therefore clearly and easily visualized to simplify their interpretation. More
importantly, RAMMS has been applied to a series of well-documented avalanches to gauge model
performance. In this paper we present the governing differential equations, highlight some of the input
and output features of RAMMS and then discuss the simulation of the Gatschiefer avalanche that
occurred in April 2008, near Klosters/Monbiel, Switzerland.
KW  - snow
KW  - avalanche
Y1  - 2008
SP  - 709
EP  - 716
ER  - 
TY  - CHAP
A1  - Kowalski, Julia
A1  - McElwaine, J.
T1  - Two-phase debris flow modeling
T2  - Geophysical Research Abstracts
Y1  - 2008
N1  - A-01048
ER  - 
TY  - CHAP
A1  - Müller, Karsten
A1  - Hüben, Susanne
T1  - From rehabilitation strategy up to formation of lots : implementation of a computer-aided decision support system
T2  - 11th International Conference on Urban Drainage, Edinburgh, Scotland, UK, 31st August to 5th September 2008
Y1  - 2008
ER  - 
TY  - CHAP
A1  - Schwarzer, Klemens
A1  - Kroker, Jan
A1  - Rusack, Markus
T1  - Technical improvement of a small modular parabolic trough collector
T2  - EuroSun 2008 : 1st International Conference on Solar Heating, Cooling and Buildings ; 7th - 10th October 2008, Lisbon, Portugal : key lectures / ISES, International Solar Energy Society. Vol. 1
Y1  - 2008
SN  - 978-1-61782-228-5
SP  - 1395
EP  - 1402
PB  - Sociedade Portuguesa De Energia Solar (SPES)
CY  - Lissabon
ER  - 
TY  - CHAP
A1  - Schwarzer, Klemens
T1  - Desalination systems with renewable energies
T2  - DME Seminar Desalination and Renewable Energies : June 19 and 20 2008, Solar Institut Jülich / Deutsche Meerwasserentsalzung e.V.
Y1  - 2008
SN  - 978-3-86861-017-8
PB  - DME
CY  - Duisburg
ER  - 
TY  - CHAP
A1  - Hoffschmidt, Bernhard
T1  - Solar tower power plants
T2  - DME Seminar Desalination and Renewable Energies : June 19 and 20 2008, Solar Institut Jülich / Deutsche Meerwasserentsalzung e.V.
Y1  - 2008
SN  - 978-3-86861-017-8
PB  - DME
CY  - Duisbrug
ER  - 
TY  - CHAP
A1  - Hellmanns, Mark
A1  - Böhm, Stefan
A1  - Dilger, Klaus
T1  - Weight and noise reduction in power transmissions through epoxy resin foams
T2  - Proceedings of the 31st annual meeting of the Adhesion Society : 17. - 20.2.2008, Austin, Texas
Y1  - 2008
SP  - 291
EP  - 293
PB  - Adhesion Society
CY  - Blacksburg
ER  - 
TY  - CHAP
A1  - Döring, Bernd
A1  - Feldmann, Markus
A1  - Kuhnhenne, Markus
A1  - Hellberg, Jan
T1  - Implementing a thermal activation system into a light-weight steel deck element
T2  - Eurosteel 2008 : 5th European Conference on Steel and Composite Structures ; research, practice, new materials ; 3rd to 5th September 2008, Graz, Austria / ed. by Robert Ofner ...
Y1  - 2008
SN  - 92-0147-000-90
SP  - 941
EP  - 946
PB  - ECCS, European Convention for Construction Steelwork
CY  - Brussels
ER  - 
TY  - CHAP
A1  - Schürmann, Volker
A1  - Buda, Aurel
A1  - Wollert, Jörg
T1  - XML-based Middleware approach for industrial wireless communication systems
T2  - IEEE International Conference on Emerging Technologies and Factory Automation, 2008 : ETFA 2008 ; 15 - 18 Sept., 2008, Hamburg, Germany
Y1  - 2008
SN  - 978-1-4244-1505-2
U6  - https://doi.org/10.1109/ETFA.2008.4638463
SP  - 632
EP  - 639
PB  - IEEE
CY  - Piscataway, NJ
ER  - 
TY  - CHAP
T1  - B-AMC — broadband aeronautical multi-carrier communications
T2  - Integrated Communications, Navigation and Surveillance Conference : [ICNS 2008] ; Bethesda, Md., 5 - 7 May 2008
Y1  - 2008
SN  - 978-1-4244-2303-3 ; 978-1-4244-2304-0
SP  - 1
EP  - 12
ER  - 
TY  - CHAP
A1  - Schnell, Michael
A1  - Brandes, Sinja
A1  - Gligorevic, Snjezana
A1  - Walter, M.
A1  - Rihacek, Christoph
A1  - Sajatovic, Miodrag
A1  - Haindl, Bernhard
T1  - Interference mitigation for broadband L-DACS
T2  - 27th IEEE/AIAA Digital Avionics Systems Conference : DASC 2008 : 26-30 Oct. 2008, St. Paul, Minn.
Y1  - 2008
SN  - 978-1-4244-2207-4 ; 978-1-4244-2208-1
SP  - 2B2-1
EP  - 2B2-12
ER  - 
TY  - CHAP
A1  - Wang, W.
A1  - Mensing, C.
A1  - Gligorevic, Snjezana
A1  - Jost, T.
A1  - Dammann, A.
T1  - Short term statistical analysis of outdoor to indoor propagation channel for geolocations
T2  - Proceedings of the 13th International OFDM Workshop : (InOWo '08), Aug. 27./28. 2008, Hamburg : Session 3A: Systems concepts
Y1  - 2008
SP  - 85
EP  - 89
ER  - 
TY  - CHAP
A1  - Pfaff, Raphael
A1  - Burnham, Keith J.
T1  - On abstraction and interpretability: a behavioural perspective
T2  - 19th International Conference on Systems Engineering 2008 : ICSENG '08 : 19 - 21 Aug. 2008, University of Nevada, Las Vegas, Nevada
Y1  - 2008
SN  - 978-0-7695-3331-5 ; 978-0-7695-2719-2
SP  - 89
EP  - 94
PB  - IEEE
CY  - Piscataway, NJ
ER  - 
TY  - CHAP
A1  - Seiler, Friedrich
A1  - Pichler, Alexander
A1  - Pfaff, Raphael
A1  - George, Alfred
A1  - Srulijes, Julio
T1  - Improved Doppler picture velocimetry and new automated processing
T2  - 14th International Symposium on Applications of Laser Techniques to Fluid Mechanics : Lisbon, Portugal, 7 - 10 July 2008
Y1  - 2008
SP  - 1
EP  - 12
ER  - 
TY  - CHAP
A1  - Wagner, Torsten
A1  - Yoshinobu, T.
A1  - Schöning, Michael Josef
T1  - Light-addressable potentiometric sensor as semiconductor-based sensor platform for (bio-) chemical sensing
T2  - Armenian Journal of Physics
Y1  - 2008
SN  - 1829-1171
SP  - 99
EP  - 103
ER  - 
TY  - CHAP
A1  - Herzwurm, Georg
A1  - Pietsch, Wolfram
T1  - Guidelines for the analysis of IT business models and strategic positioning of IT-products
T2  - Second International Workshop on Software Product Management : IWSPM '08 : Barcelona, Catalunya, 09.09.2008
Y1  - 2008
SN  - 978-1-4244-4083-2 (Print) ; 978-0-7695-3625-5 (E-Book)
U6  - https://doi.org/10.1109/IWSPM.2008.3
SP  - 1
EP  - 8
PB  - IEEE
CY  - Piscataway, NJ
ER  - 
TY  - CHAP
A1  - Warerkar, S.
A1  - Schmitz, S.
A1  - Göttsche, Joachim
A1  - Hoffschmidt, Bernhard
A1  - Tamme, R.
T1  - Performance analysis of an air-sand heat exchanger prototype for high-temperature storage
T2  - EuroSun 2008 : 1st International Conference on Solar Heating, Cooling and Buildings ; 7th - 10th October 2008, Lisbon, Portugal : key lectures / ISES, International Solar Energy Society. Vol. 1
Y1  - 2008
SN  - 978-1-61782-228-5
SP  - 2215
EP  - 2222
PB  - Sociedade Portuguesa De Energia Solar (SPES)
CY  - Lissabon
ER  - 
TY  - CHAP
A1  - Staat, Manfred
A1  - Tran, Thanh Ngoc
A1  - Pham, Phu Tinh
T1  - Limit and shakedown reliability analysis by nonlinear programming
N2  - 7th International Conference on Reliability of Materials and Structures (RELMAS 2008). June 17 - 20, 2008 ; Saint Petersburg, Russia. pp 354-358. Reprint with corrections in red Introduction Analysis of advanced structures working under extreme heavy loading such as nuclear power plants and piping system should take into account the randomness of loading, geometrical and material parameters. The existing reliability are restricted mostly to the elastic working regime, e.g. allowable local stresses. Development of the limit and shakedown reliability-based analysis and design methods, exploiting potential of the shakedown working regime, is highly needed. In this paper the application of a new algorithm of probabilistic limit and shakedown analysis for shell structures is presented, in which the loading and strength of the material as well as the thickness of the shell are considered as random variables. The reliability analysis problems may be efficiently solved by using a system combining the available FE codes, a deterministic limit and shakedown analysis, and the First and Second Order Reliability Methods (FORM/SORM). Non-linear sensitivity analyses are obtained directly from the solution of the deterministic problem without extra computational costs.
KW  - Finite-Elemente-Methode
KW  - Limit analysis
KW  - Shakedown analysis
Y1  - 2008
ER  - 
TY  - CHAP
A1  - Göttsche, Joachim
A1  - Hoffschmidt, Bernhard
A1  - Schmitz, S.
A1  - Sauerborn, Markus
A1  - Rebholz, C.
A1  - Iffland, D.
A1  - Badstübner, R.
A1  - Buck, R.
A1  - Teufel, E.
T1  - Test of a mini-mirror array for solar concentrating systems
T2  - EuroSun 2008 : 1st International Conference on Solar Heating, Cooling and Buildings ; 7th - 10th October 2008, Lisbon, Portugal : key lectures / ISES, International Solar Energy Society. Vol. 1
Y1  - 2008
SN  - 978-1-61782-228-5
SP  - 1242
EP  - 1250
PB  - Sociedade Portuguesa De Energia Solar (SPES)
CY  - Lissabon
ER  - 
TY  - CHAP
A1  - Tran, Thanh Ngoc
A1  - Pham, Phu Tinh
A1  - Staat, Manfred
T1  - Reliability analysis of shells based on direct plasticity methods
N2  - Abstracts der CD-Rom Proceedings of the 8th World Congress on Computational Mechanics (WCCM8) and 5th Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2008) 30.06. - 04.07.2008 Venedig, Italien. 2 Seiten Zusammenfassung der Autoren mit graph. Darst. und Literaturverzeichnis
N2  - Abstracts of the Proceedings of the 8th World Congress on Computational Mechanics (WCCM8) and 5th Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2008) June 30th - July, 4th 2008, Venice, Italy. 2 pages with abstracts of the authors, Ill. and references.
KW  - Finite-Elemente-Methode
KW  - Limit analysis
KW  - Shakedown analysis
KW  - First-order reliability method
KW  - second-order reliability method
KW  - Sensitivity
Y1  - 2008
ER  - 
TY  - CHAP
A1  - Nowack, N.
A1  - Röth, Thilo
A1  - Bührig-Polaczek, A.
A1  - Klaus, G.
ED  - Hirsch, Jürgen
T1  - Advanced Sheet Metal Components Reinforced by Light Metal Cast Structures
T2  - Aluminium alloys : their physical and mechanical properties ; [proceedings of the 11th International Conference on Aluminium Alloys, 22 - 26 Sept. 2008, Aachen, Germany ; ICAA 11]
Y1  - 2008
SN  - 978-3-527-32367-8
IS  - 2
SP  - 2374
EP  - 2381
ER  - 
TY  - CHAP
A1  - Matcha, Heike
A1  - Karzel, Rüdiger
A1  - Quasten, Gero
T1  - Architectural Design with Parametric Modeling & Customized Mass Production: Explorations and Case Studies in Architectural Design and Production Methods
T2  - Language and the Scientific Imagination. The 11th International Conference of ISSEI, Language Centre, University of Helsinki (Finland) 28 July - 2 August 2008
Y1  - 2008
ER  - 
TY  - CHAP
A1  - Schuh, Günther
A1  - Gottschalk, Sebastian
A1  - Höhne, Tim
A1  - Attig, Philipp
ED  - Mitsuishi, M.
T1  - Further Potentials of Smart Logistics
T2  - Manufacturing Systems and Technologies for the New Frontier
Y1  - 2008
SN  - 978-1-84800-267-8
SN  - 978-1-84800-266-1 (Printausgabe)
U6  - https://doi.org/10.1007/978-1-84800-267-8_18
N1  - The 41St Cirp Conference On Manufacturing Systems, May 26-28, 2008, Tokyo, Japan
SP  - 93
EP  - 96
PB  - Springer
CY  - London
ER  - 
TY  - CHAP
A1  - Mansurov, Zulkhair
A1  - Zhubanova, Azhar A.
A1  - Digel, Ilya
A1  - Artmann, Gerhard
A1  - Temiz Artmann, Aysegül
A1  - Savitskaja, Irina S.
A1  - Kozhalakova, A. A.
A1  - Kistaubaeva, Aida S.
T1  - The sorption of LPS toxic shock by nanoparticles on base of carbonized vegetable raw materials
N2  - Immobilization of lactobacillus on high temperature carbonizated vegetable raw material (rice husk, grape stones) increases their physiological activity and the quantity of the antibacterial metabolits, that consequently lead to increase of the antagonistic activity of lactobacillus. It is implies that the use of the nanosorbents for the attachment of the probiotical microorganisms are highly perspective for decision the important problems, such as the probiotical preparations delivery to the right address and their attachment to intestines mucosa with the following detoxication of gastro-intestinal tract and the normalization of it’s microecology. Besides that, thus, the received carbonizated nanoparticles have peculiar properties – ability to sorption of LPS toxical shock and, hence, to the detoxication of LPS.
KW  - Kohlenstofffaser
KW  - Lipopolysaccharide
KW  - nanostrukturierte carbonisierte Pflanzenteile
KW  - lipopolysaccharides
KW  - nanostructured carbonized plant parts
Y1  - 2008
ER  - 
TY  - CHAP
A1  - Gellert, Christoph
A1  - Norda, Hannah
A1  - Butenweg, Christoph
T1  - Nonlinear behaviour of masonry under cyclic loading
T2  - 7th European Conference on Structural Dynamics, EURODYN 2008 : 7-9 July 2008, Southampton
Y1  - 2008
SP  - 1
EP  - 12
ER  - 
TY  - CHAP
A1  - Butenweg, Christoph
A1  - Gellert, Christoph
A1  - Reindl, Lukas
T1  - Capacity design of masonry buildings under cyclic loading
T2  - Seismic Risk : Earthquakes in North-Western Europe ; international colloquium ; Liège on 11 and 12 September 2008 / Belgian Seismic Group (BeSeiG). Ed.: T. Camlebeeck ...
Y1  - 2008
SN  - 978-2-87456-063-7
SP  - 201
EP  - 208
PB  - Editions de l'Université de Liège
CY  - Liège
ER  - 
TY  - CHAP
A1  - Butenweg, Christoph
A1  - Gellert, Christoph
T1  - Displacement based design of masonry structures
T2  - Proceedings of the 14th International Brick and Block Masonry Conference : (Incorporating the 8th Australasian Masonry Conference) : Sydney, Australia, 13.-20. February 2008 / ed. Mark Masia ...
Y1  - 2008
SN  - 978-19-2070-1-92-5
SP  - 1
EP  - 10
PB  - University of Newcastle
CY  - Callaghan
ER  - 
TY  - CHAP
A1  - Bung, Daniel Bernhard
A1  - Hildebrandt, Arndt
A1  - Oertel, Mario
A1  - Schlenkhoff, Andreas
A1  - Schlurmann, Torsten
ED  - McKee Smith, Jane
T1  - Bore propagation over a submerged horizontal plate by physical and numerical simulation
T2  - Coastal engineering 2008 : proceedings of the 31st international conference; Hamburg, Germany, 31 August - 5 September 2008 ; Vol. 4
Y1  - 2008
SN  - 9814277401 ; 9789814277402
SP  - 3542
EP  - 3553
ER  - 
TY  - CHAP
A1  - Rens, Gavin
A1  - Ferrein, Alexander
A1  - Poel, Etienne van der
T1  - Extending DTGolog to deal with POMD-Ps
T2  - Proceedings of the Nineteenth Annual Symposium of the Pattern Recognition Association of South Africa (PRASA 2008)
Y1  - 2008
SP  - 49
EP  - 54
ER  - 
TY  - CHAP
A1  - Bung, Daniel Bernhard
A1  - Schlenkhoff, Andreas
ED  - Pagliara, Stefano
T1  - Optimization of the reaeration potential on embankment stepped spillways in skimming flow regime
T2  - Hydraulic structures : proceedings of the second International Junior Researcher and Engineer Workshop on Hydraulic Structures, Pisa, Italy, 30 July-1 August 2008
Y1  - 2008
SN  - 978-88-8492-568-8
SP  - 97
EP  - 106
ER  - 
TY  - CHAP
A1  - Kurz, Melanie
ED  - Feijs, Loe
T1  - On the benefit of moving images for the evaluation of form in virtual space : reflections in model theory
T2  - Design and semantics of form and movement : DeSForM 2008 ; [Hochschule für Gestaltung Offenbach am Main, 6.-7.11.2008]
Y1  - 2008
SN  - 978-90-809801-2-9
SP  - 31
EP  - 34
PB  - Philips
CY  - Eindhoven
ER  - 
TY  - CHAP
A1  - Ellerweg, Roland
A1  - Ritz, Thomas
ED  - Roth, Jörg
T1  - Tool supported requirements analysis for the user centered development of mobile enterprise software
T2  - Proceeding of Wireless Applications and Computing 2008 and Telecommunications, Networks and Systems 2008 : MCCSIS '08 ; IADIS Multi Conference on Computer Science and Information Systems ; 22 - 24 July 2008, Amsterdam, The Netherlands
N2  - A user centered development method has proved satisfactory for the development of mobile enterprise software. To make use of this method, detailed information about the user and the place where the user interacts with his mobile device is required. This article describes how both can be modeled by a stereotypical and conceptual extended UML extension. Finally, a software tool is presented that supports the developed UML extension.
Y1  - 2008
SN  - 978-972-8924-62-1
SP  - 160
EP  - 162
PB  - IADIS Press
CY  - [Lisboa]
ER  - 
TY  - CHAP
A1  - Lindner, Marvin
A1  - Kolb, Andreas
A1  - Ringbeck, Thorsten
T1  - New insights into the calibration of ToF-sensors
T2  - 2008 IEEE Computer Society Conference on Computer Vision and Pattern Recognition workshops : Anchorage, AK, 23 - 28 June 2008
N2  - Time-of-flight (ToF) sensors have become an alternative to conventional distance sensing techniques like laser scanners or image based stereo. ToF sensors provide full range distance information at high frame-rates and thus have a significant impact onto current research in areas like online object recognition, collision prevention or scene reconstruction. However, ToF cameras like the photonic mixer device (PMD) still exhibit a number of challenges regarding static and dynamic effects, e.g. systematic distance errors and motion artefacts, respectively. Sensor calibration techniques reducing static system errors have been proposed and show promising results. However, current calibration techniques in general need a large set of reference data in order to determine the corresponding parameters for the calibration model. This paper introduces a new calibration approach which combines different demodulation techniques for the ToF- camera 's reference signal. Examples show, that the resulting combined demodulation technique yields improved distance values based on only two required reference data sets.
Y1  - 2008
SN  - 978-1-4244-2339-2
SN  - 978-1-4244-2340-8
SP  - 1
EP  - 5
PB  - IEEE Service Center
CY  - Piscataway, NJ
ER  - 
TY  - CHAP
A1  - Tippkötter, Nils
A1  - Roikaew, W.
A1  - Ulber, Roland
T1  - An automated pilot plant for the bioengineering processing of concentrated whey
T2  - European BioPerspectives : in cooperation with BIOTECHNICA 2008 : 7 - 9 October 2008 Hannover, Germany ; book of abstracts ; abstracts, poster programme
Y1  - 2008
SP  - 98
PB  - Dechema
CY  - Frankfurt am Main
ER  - 
TY  - CHAP
A1  - Kurz, Melanie
T1  - Theses on the significance of the model in the form-finding process
T2  - "Focused" - Current Design Research Projects and Methods : Swiss Design Network Symposium 2008, 30 - 31 May 2008 Mount Gurten, Berne Switzerland
Y1  - 2008
SN  - 978-3-9523138-0-0
N1  - Swiss Design Network Symposium 2008, Bern
SP  - 115
EP  - 127
PB  - SwissDesignNetwork, SDN
CY  - Genf
ER  - 
TY  - CHAP
A1  - Weßling, Matthias
T1  - Leadership Perspectives: Research Findings, Theories, Practical Experiences
N2  - Leadership Perspectives: Research Findings, Theories, Practical Experiences: Results of Leadership Research and exemplarily application cases show the perspectives and consequences for leadership practice and the following requirements for executives in future.
N2  - Leadership Perspectives: Research Findings, Theories, Practical Experiences: Bisherige Ergebnisse der betriebswirtschaftlichen Führungsforschung und exemplarische Anwendungsbeispiele der Führungspraxis, sowie die Schlußfolgerungen für die Perspektiven der betrieblichen Mitarbeiterführung sowie die sich daraus ergebenden Anforderungen an zukünftige Führungskräfte.
KW  - Leadership
KW  - Führung
KW  - Führungsansätze
KW  - Leadership
KW  - Self-Leadership
KW  - Leadership Approaches
KW  - Skill Assessment
KW  - Leadership Theories
Y1  - 2007
ER  - 
TY  - CHAP
A1  - Weßling, Matthias
T1  - Motivation and Leadership - The Reiss-Profile of the 16 Basic Desires: Research results and managerial applications
N2  - Recent Results of the scientific Reiss-Profile (16 basic desires) due to the concept of Prof. Dr. Steven Reiss (State University Ohio, U.S.A.), supplemented by the comparative analysis of empirical motivational profiles of european executives of various companies.
N2  - Neuere Forschungsergebnisse des wissenschaftlichen Reiss-Profils der 16 Lebensmotive nach Prof. Dr. Steven Reiss (State University Ohio, U.S.A.) und die Möglichkeiten und Grenzen ihrer Umsetzung in der betrieblichen Führungspraxis unter Integration der vergleichenden Analyse und Interpretation empirisch erhobener Motivprofile einzelner europäischer Führungskräfte.
KW  - Motivation
KW  - Leadership
KW  - Motivation
KW  - Führung
KW  - Motivation
KW  - Leadership
Y1  - 2007
ER  - 
TY  - CHAP
A1  - Weßling, Matthias
T1  - Provocative Communication in Coaching and Leadership: scientific research and managerial applications of the Provocative Communication Style
N2  - Concept, scientific research and managerial applications of Provocative Coaching, according to the „Provocative Therapy“ of Prof. Dr. Frank Farrelly (University of Wisconsin, U.S.A) in terms of an application of the Provocative Communication Style in specific situations of practical leadership, especially in the role of a coach for their subordinates.
N2  - Konzept, Forschungsergebnisse und Tools der sogenannten „Provocative Therapy“ nach Prof. Dr. Frank Farrelly (University of Wisconsin, U.S.A) und ihre Anwendung als provokativer Kommunikationsstil einer Führungskraft in spezifischen Situationen der betrieblichen Führungspraxis in der Rolle eines Coaches.
KW  - Kommunikation
KW  - Coaching
KW  - Führung
KW  - Kommunikation
KW  - Coaching
KW  - Führung
KW  - Provokativer Stil
KW  - Provocative Coaching
KW  - Leadership
KW  - Communication
KW  - Provocative Style
Y1  - 2007
ER  - 
TY  - CHAP
A1  - Fredebeul-Krein, Markus
T1  - 10 years of liberalised telecom markets in Germany: Assessing the degree of competition on the markets for voice telephony
N2  - Market data for the German telecom market shows that Deutsche Telekom as the former incumbent is constantly loosing shares on all arkets for voice telephony: the market for local calls, the market for long-distance calls and the market for international calls. At the same time prices decline steadily with the latest trend being that operators offer voice services free of charge, the costs of which are covered by a monthly subscription charge. Against this background the paper examines the state of policy and regulatory reform in the telecommunications sector in Germany almost 10 years after the liberalisation of the fixed telecommunications market. Thereby the focus is on the analysis of the competitive conditions that have been established on the German market for voice telephony services. If these retail markets are competitive, there might be a need to remove remaining regulatory provisions. In the new environment of converging markets the future challenge of regulating fixed telecom markets might be to ensure that access to the network and/or services of a potentially dominant provider in a relevant market will satisfy requirements for openness and non-discrimination.
KW  - Telekommunikationsmarkt
KW  - Telekommunikationsmarkt
Y1  - 2007
N1  - paper presented at 18th European Regional ITS Conference of the International Telecommunications Society, September 2-4, 2007 Istanbul, Turkey
ER  - 
TY  - CHAP
A1  - Uibel, Thomas
A1  - Blaß, Hans Joachim
T1  - Edge Joints with Dowel Type Fasteners in Cross Laminated Timber
T2  - Proceedings. CIB-W18 Meeting 2007, Bled, Slovenia 2007
Y1  - 2007
SN  - 0945-6996
N1  - Paper 40-7-2
SP  - 1
EP  - 11
ER  - 
TY  - CHAP
A1  - Kowalski, Julia
A1  - Bartelt, Perry
A1  - McElwaine, J.
T1  - Two-phase debris flow modeling
T2  - Geophysical Research Abstracts
Y1  - 2007
N1  - A-08119
ER  - 
TY  - CHAP
A1  - Stepkes, Hermann
A1  - Zimmermann, J.
A1  - Müller, Karsten
A1  - Siekmann, Marko
A1  - Pinnekamp, Josef
T1  - Economical rehabilitation of sewer systems by ground penetration radar investigations
T2  - Strategic asset management of water supply and wastewater infrastructures : invited papers from the 2nd IWA Leading Edge Conference on Strategic Asset Management (LESAM), Lisbon, October [17 - 19] 2007 / ed. by Helene Alegre and Maria do Céu Almeida
Y1  - 2007
SN  - 9781843391869
SP  - 501
EP  - 520
PB  - IWA Publ.
CY  - London
ER  - 
TY  - CHAP
A1  - Dilthey, Ulrich
A1  - Schleser, Markus
A1  - Chudoba, Rostislav
A1  - Konrad, Martin
ED  - Triantafillou, T. C.
T1  - Experimental investigation and micro-mechanical simulaltion of concrete reinforced with epoxy impregnated fabrics
T2  - Fibre-reinforced polymer reinforcement for concrete structures : proceedings of the 8th international conference : Patras, Greece, July 16- 18, 2007
Y1  - 2007
SN  - 9608969107
SP  - 456
EP  - 457
PB  - Univ.
CY  - Patras
ER  - 
TY  - CHAP
A1  - Schleser, Markus
A1  - Dilthey, Ulrich
A1  - Mund, F.
A1  - Böhm, Stefan
ED  - Czarnecki, Lech
ED  - Garbacz, Andrzej
T1  - Improvement of textile reinforced concrete by use of polymers
T2  - Adhesion in interfaces of building materials: a multi-scale approach : [Symposium "Adhesion in Building Bonds: Macro-, Micro- and Nano-Scale" at Warsaw University of Technology in the framework of the European Materials Research Society, fall meeting 2005 ; selected papers]. (Advances in materials science and restoration. No. 2)
Y1  - 2007
SN  - 978-3-931681-89-0
SP  - 153
EP  - 162
PB  - Aedificatio Publ.
CY  - Freiburg
ER  - 
TY  - CHAP
A1  - Dilthey, Ulrich
A1  - Schleser, Markus
A1  - Hegger, Josef
A1  - Voss, Stefan
ED  - Reinhardt, Hans W.
T1  - Load-bearing behaviour of polymer-impregnated textiles in concrete
T2  - Fifth International Workshop on High Performance Fiber Reinforced Cement Composites (HPFRCC 5) : Mainz, July 10 - 13, 2007. (RILEM proceedings. 53)
Y1  - 2007
SN  - 978-2-35158-046-2
SP  - 183
EP  - 192
PB  - RILEM Publ.
CY  - Bagneux
ER  - 
TY  - CHAP
A1  - Dilthey, Ulrich
A1  - Schleser, Markus
A1  - Puterman, Moshe
T1  - Investigation and improvement of concrete reinforced with epoxy impregnated fabrics
T2  - Proceedings / 12th International Congress Polymers in Concrete, ICPIC 07, chuncheon, Korea, Sept. 26. - 28., 2007
Y1  - 2007
SN  - 978-89-9600450-9
SP  - 725
EP  - 733
PB  - Kangwoon National Univ.
CY  - Chancheon
ER  - 
TY  - CHAP
A1  - Spasov, Yulian
A1  - Döring, Bernd
A1  - Griffin, Allan
T1  - Exploiting the thermal mass in an energy efficient building - a comparison exercise between IES Apache and TRNSYS models
T2  - Clima 2007 WellBeing Indoors: 9th Rehva World Congress, 10-14 June 2007, Helsinki, Finland : proceedings
Y1  - 2007
SN  - 978-952-99898-2-9
SP  - 1
EP  - 7
CY  - Helsinki
ER  - 
TY  - CHAP
A1  - Döring, Bernd
A1  - Feldmann, Markus
A1  - Kuhnhenne, Markus
T1  - An innovative thermally activated light-weight steel deck system - numerical investigations and practical tests
T2  - Clima 2007 WellBeing Indoors: 9th Rehva World Congress, 10-14 June 2007, Helsinki, Finland : proceedings
Y1  - 2007
SN  - 978-952-99898-2-9
SP  - 1
EP  - 8
CY  - Helsinki
ER  - 
TY  - CHAP
A1  - Vedral, Andreas
A1  - Kruse, Thomas
A1  - Wollert, Jörg
T1  - Development and performance evaluation of an antenna diversity module for industrial communication based on IEEE 802.15.4
T2  - 12th IEEE International Conference on Emerging Technologies and Factory Automation : ETFA 2007 : proceedings : 25-28 Sept. 2007, Patras, Greece
Y1  - 2007
SN  - 1424408261 ; 9781424408269
U6  - https://doi.org/10.1109/EFTA.2007.4416769
SP  - 177
EP  - 186
PB  - IEEE
CY  - Piscataway, NJ
ER  - 
TY  - CHAP
A1  - Kirsch, Ansgar
A1  - Blioumi, A.
A1  - Fellin, Wolfgang
A1  - Kolymbas, Dimitrios
T1  - Modelling anisotropic squeezing as a process in time
T2  - ECCOMAS Thematic Conference on Computational Methods in Tunneling ; August 27 - 29, 2007, Vienna, Austria : EURO:TUN 2007 : proceedings
Y1  - 2007
SN  - 3-9501554-7-3 ; 978-3-9501554-7-1
CY  - Wien
ER  - 
TY  - CHAP
A1  - Brandes, Sinja
A1  - Gligorevic, Snjezana
A1  - Schnell, Michael
A1  - Rokitansky, Carl-Herbert
A1  - Ehammer, Max
A1  - Gräupl, Thomas
A1  - Schlereth, Armin
A1  - Rihacek, Christoph
T1  - Final assessment of the B-VHF overlay concept
T2  - IEEE Aerospace Conference : 3-10 March 2007, Big Sky, Mont.
Y1  - 2007
SN  - 1-4244-0525-4
SP  - 1
EP  - 18
ER  - 
TY  - CHAP
A1  - Sajatovic, Miodrag
A1  - Rihacek, Christoph
A1  - Haindl, Bernhard
A1  - Schnell, Michael
A1  - Brandes, Sinja
A1  - Gligorevic, Snjezana
T1  - Broadband VHF (B-VHF) project achievements and follow-on activities
T2  - Integrated Communications, Navigation and Surveillance Conference : Herndon, VA, 1 - 3 May 2007
Y1  - 2007
SN  - 1-4244-1216-1
SP  - 1
EP  - 8
ER  - 
TY  - CHAP
A1  - Rokitansky, Carl-Herbert
A1  - Ehammer, Max
A1  - Gräupl, Thomas
A1  - Schnell, Michael
A1  - Brandes, Sinja
A1  - Gligorevic, Snjezana
A1  - Rihacek, Christoph
A1  - Sajatovic, Miodrag
T1  - B-AMC a system for future broadband aeronautical multi-carrier communications in the L-BAND
T2  - IEEE/AIAA 26th Digital Avionics Systems Conference ; DASC '07 ; 21 - 25 Oct. 2007, Dallas, Texas
Y1  - 2007
SN  - 978-1-4244-1108-5
SP  - 4D2-1
EP  - 4D2-13
ER  - 
TY  - CHAP
A1  - Rokitansky, Carl-Herbert
A1  - Ehammer, Max
A1  - Gräupl, Thomas
A1  - Schnell, Michael
A1  - Brandes, Sinja
A1  - Gligorevic, Snjezana
A1  - Rihacek, Christoph
A1  - Sajatovic, Miodrag
T1  - B-AMC – Aeronautical Broadband Communication in the L-Band
T2  - First CEAS European Air and Space Conference : Motto: century perspectives : Deutscher Luft-und Raumfahrtkongress 2007 : 10-13 September 2007 in Berlin, Germany. (Jahrbuch der Deutschen Gesellschaft für Luft- und Raumfahrt 2007 ; Bd. 1-5. - Enth.: Jahrbuch der Deutschen Gesellschaft für Luft- und Raumfahrt 2006 ; Bd. 3)
Y1  - 2007
SN  - 0070-4083
SP  - 487
EP  - 496
PB  - Deutschen Gesellschaft für Luft- und Raumfahrt
CY  - Bonn
ER  - 
TY  - CHAP
A1  - Pfaff, Raphael
A1  - Pichler, Alexander
A1  - George, Alfred
A1  - Seiler, Friedrich
T1  - Model based image processing for flow visualisation : 16th International Conference on Systems Science, Wroclaw, Poland, September 04 - 06, 2007
T2  - PU / Institut Franco-Allemand de Recherches de Saint-Louis ; 2007, 620
Y1  - 2007
SP  - 1
EP  - 10
PB  - ISL
CY  - Saint Louis, France
ER  - 
TY  - CHAP
A1  - Kloock, Joachim P.
A1  - Schöning, Michael Josef
T1  - Heavy metal detection with semiconductor devices based on PLD-prepared chalcogenide glass thin films
T2  - Armenian Journal of Physics
Y1  - 2007
SN  - 1829-1171
SP  - 95
EP  - 98
ER  - 
TY  - CHAP
A1  - Buda, Aurel
A1  - Jozenfini, B.
A1  - Wollert, Jörg
T1  - Mobile ad-hoc Network for home automation based on ZigBee application framework
T2  - 1st European ZigBee Developer's Conference : June 18 - 20, 2007, Munich, Germany
Y1  - 2007
SP  - 1
EP  - 5
PB  - Design & Elektronik
CY  - Poing
ER  - 
TY  - CHAP
A1  - Loeb, Horst Wolfgang
A1  - Schartner, Karl-Heinz
A1  - Dachwald, Bernd
A1  - Seboldt, Wolfgang
T1  - SEP-Sample return from a main belt asteroid
T2  - 30th International Electric Propulsion Conference
N2  - By DLR-contact, sample return missions to the large main-belt asteroid “19, Fortuna” have been studied. The mission scenario has been based on three ion thrusters of the RIT-22 model, which is presently under space qualification, and on solar arrays equipped with triple-junction GaAs solar cells. After having designed the spacecraft, the orbit-to-orbit trajectories for both, a one-way SEP mission with a chemical sample return and an all-SEP return mission, have been optimized using a combination of artificial neural networks with evolutionary algorithms. Additionally, body-to-body trajectories have been
investigated within a launch period between 2012 and 2015. For orbit-to-orbit calculation, the launch masses of the hybrid mission and of the all-SEP mission resulted in 2.05 tons and 1.56 tons, respectively, including a scientific payload of 246 kg. For the related transfer
durations 4.14 yrs and 4.62 yrs were obtained. Finally, a comparison between the mission scenarios based on SEP and on NEP have been carried out favouring clearly SEP.
Y1  - 2007
SP  - 1
EP  - 11
ER  - 
TY  - CHAP
A1  - Stadler, Andreas M.
A1  - Embs, Jan P.
A1  - Zerlin, Kay
A1  - Digel, Ilya
A1  - Artmann, Gerhard
A1  - Zaccai, Joe
A1  - Büldt, Georg
T1  - Temperature transitions of hemoglobin and cytosolic water diffusion in human red blood cells : [poster]
N2  - Background Hemoglobin interactions in red blood cells Hemoglobin dynamics in human red blood cells Diffusion of H2O in red blood cells
KW  - Erythrozyt
KW  - Hämoglobin
KW  - cytosolic water diffusion
KW  - hemoglobin dynamics
Y1  - 2007
ER  - 
TY  - CHAP
A1  - Reimer, Lars
A1  - Braun, Carsten
A1  - Chen, B.-H.
A1  - Ballmann, Josef
T1  - Computational aeroelastic analysis and design of the HIRENASD wind tunnel wing model and tests
T2  - Proceedings / IFASD 2007, CEAS/AIAA/KTH International Forum on Aeroelasticity and Structural Dynamics : June 18 - 21, 2007, Stockholm, Sweden
Y1  - 2007
PB  - KTH
CY  - Stockholm
ER  - 
TY  - CHAP
A1  - Dachwald, Bernd
A1  - Mengali, Giovanni
A1  - Quarta, Alessandro A
A1  - Macdonald, Malcolm
A1  - McInnes, Colin R
T1  - Optical solar sail degradation modelling
T2  - 1st International Symposium on Solar Sailing
N2  - We propose a simple parametric OSSD model that describes the variation of the sail film's optical coefficients with time, depending on the sail film's environmental history, i.e., the radiation dose. The primary intention of our model is not to describe the exact behavior of specific film-coating combinations in the real space environment, but to provide a more general parametric framework for describing the general optical degradation behavior of solar sails.
Y1  - 2007
N1  - 1st International Symposium on Solar Sailing 27–29 June 2007, Herrsching, Germany
SP  - 1
EP  - 27
ER  - 
TY  - CHAP
A1  - Tran, Thanh Ngoc
A1  - Staat, Manfred
A1  - Kreißig, R.
T1  - Finite element shakedown and limit reliability analysis of thin shells
N2  - A procedure for the evaluation of the failure probability of elastic-plastic thin shell structures is presented. The procedure involves a deterministic limit and shakedown analysis for each probabilistic iteration which is based on the kinematical approach and the use the exact Ilyushin yield surface. Based on a direct definition of the limit state function, the non-linear problems may be efficiently solved by using the First and Second Order Reliabiblity Methods (Form/SORM). This direct approach reduces considerably the necessary knowledge of uncertain technological input data, computing costs and the numerical error. In: Computational plasticity / ed. by Eugenio Onate. Dordrecht: Springer 2007. VII, 265 S. (Computational Methods in Applied Sciences ; 7) (COMPLAS IX. Part 1 . International Center for Numerical Methods in Engineering (CIMNE)). ISBN 978-1-402-06576-7  S. 186-189
KW  - Finite-Elemente-Methode
KW  - Limit analysis
KW  - shakedown analysis
KW  - Exact Ilyushin yield surface
KW  - Random variable
KW  - First Order Reliabiblity Method
Y1  - 2007
ER  - 
TY  - CHAP
A1  - Breitbach, Gerd
A1  - Alexopoulos, Spiros
A1  - Hoffschmidt, Bernhard
T1  - Fluid flow in porous ceramic multichannel crossflower filter modules
Y1  - 2007
PB  - COMSOL Inc.
CY  - Burlington, Mass.
ER  - 
TY  - CHAP
A1  - Gömmel, A.
A1  - Butenweg, Christoph
A1  - Kob, M.
T1  - A fluid-structure interaction model of vocal fold oscillation
T2  - 5th International Workshop on Models and Analysis of Vocal Emissions for Biomedical Applications, MAVEBA 2007
N2  - Since fluid-structure interaction within the finite-element method is state of the art in many engineering fields, this method is used in voice analysis. A quasi two-dimensional model of the vocal folds including the ventricular folds is presented. First results of self-sustained vocal fold oscillation are presented and possibilities as well as limitations are discussed.
KW  - finite element method
KW  - fluid structure interaction
KW  - vocal fold oscillation
Y1  - 2007
SN  - 978-888453674-7
N1  - 5th International Workshop on Models and Analysis of Vocal Emissions for Biomedical Applications, MAVEBA 2007; Florence; Italy; 13 December 2007 through 15 December 2007
SP  - 127
EP  - 128
ER  - 
TY  - CHAP
A1  - Tran, Thanh Ngoc
A1  - Staat, Manfred
A1  - Kreißig, R.
T1  - Calculation of load carrying capacity of shell structures with elasto-plastic material by direct methods
N2  - Proceedings of the International Conference on Material Theory and Nonlinear Dynamics. MatDyn. Hanoi, Vietnam, Sept. 24-26, 2007, 8 p. In this paper, a method is introduced to determine the limit load of general shells using the finite element method. The method is based on an upper bound limit and shakedown analysis with elastic-perfectly plastic material model. A non-linear constrained optimisation problem is solved by using Newton’s method in conjunction with a penalty method and the Lagrangean dual method. Numerical investigation of a pipe bend subjected to bending moments proves the effectiveness of the algorithm.
KW  - Finite-Elemente-Methode
Y1  - 2007
ER  - 
TY  - CHAP
A1  - Matcha, Heike
T1  - Parametric possibilities: designing with parametric modelling
T2  - Predicting the Future [25th eCAADe Conference Proceedings]
Y1  - 2007
SN  - 978-0-9541183-6-5
SP  - 849
EP  - 856
ER  - 
TY  - CHAP
A1  - Schuh, Günther
A1  - Gottschalk, Sebastian Friedrich
A1  - Narr, Claus
A1  - Höhne, Tim
ED  - Zäh, Michael F.
T1  - Adaptive logistics : information management for planning and control of small series assembly
T2  - 2nd International Conference on Changeable, Agile, Reconfigurable and Virtual Production (CARV 2007), Toronto, Ontario, Canada, 22-24 July 2007 : Book of Abstracts
Y1  - 2007
SN  - 978-0-9783187-0-3
SP  - 212
EP  - 221
ER  - 
TY  - CHAP
A1  - Drumm, Christian
A1  - Schmitt, Matthias
A1  - Do, Hong-Hai
A1  - Rahm, Erhard
T1  - Quickmig: automatic schema matching for data migration projects
T2  - Proceedings of the 2007 ACM Conference on Information and Knowledge Management / CIKM'07, Lisboa, Portugal, Nov. 6 - 10, 2007
Y1  - 2007
SN  - 978-1-59593-803-9
U6  - https://doi.org/10.1145/1321440.1321458
SP  - 107
EP  - 116
ER  - 
TY  - CHAP
A1  - Weber, Ingo
A1  - Markovic, Ivan
A1  - Drumm, Christian
T1  - A conceptual framework for composition in business process management
T2  - Business Information Systems : 10th International Conference, BIS 2007, Poznan, Poland, April 25-27, 2007. Proceedings
Y1  - 2007
SN  - 978-3-540-72035-5
U6  - https://doi.org/10.1007/978-3-540-72035-5_5
SP  - 54
EP  - 66
PB  - Springer
CY  - Berlin, Heidelberg
ER  - 
TY  - CHAP
A1  - Dachwald, Bernd
A1  - Seboldt, Wolfgang
A1  - Loeb, Horst W.
A1  - Schartner, Karl-Heinz
T1  - A comparison of SEP and NEP for a main belt asteroid sample return mission
T2  - 7th International Symposium on Launcher Technologies, Barcelona, Spain, 02-05 April 2007
N2  - Innovative interplanetary deep space missions, like a main belt asteroid sample
return mission, require ever larger velocity increments (∆V s) and thus ever
more demanding propulsion capabilities. Providing much larger exhaust velocities than chemical high-thrust systems, electric low-thrust space-propulsion
systems can significantly enhance or even enable such high-energy missions. In
1995, a European-Russian Joint Study Group (JSG) presented a study report
on “Advanced Interplanetary Missions Using Nuclear-Electric Propulsion”
(NEP). One of the investigated reference missions was a sample return (SR)
from the main belt asteroid (19) Fortuna. The envisaged nuclear power plant,
Topaz-25, however, could not be realized and also the worldwide developments
in space reactor hardware stalled. In this paper, we investigate, whether such
a mission is also feasible using a solar electric propulsion (SEP) system and
compare our SEP results to corresponding NEP results.
Y1  - 2007
SP  - 1
EP  - 10
ER  - 
TY  - CHAP
A1  - Dachwald, Bernd
A1  - Kahle, Ralph
A1  - Wie, Bong
T1  - Head-on impact deflection of NEAs: a case study for 99942 Apophis
T2  - Planetary Defense Conference 2007
N2  - Near-Earth asteroid (NEA) 99942 Apophis provides a typical example for the evolution of asteroid orbits that lead to Earth-impacts after a close Earth-encounter that results in a resonant return. Apophis will have a close Earth-encounter in 2029 with potential very close subsequent Earth-encounters (or even an impact) in 2036 or later, depending on whether it passes through one of several less than 1 km-sized gravitational keyholes during its 2029-encounter. A pre-2029 kinetic impact is a very favorable option to nudge the asteroid out of a keyhole. The highest impact velocity and thus deflection can be achieved from a trajectory that is retrograde to Apophis orbit. With a chemical or electric propulsion system, however, many gravity assists and thus a long time is required to achieve this. We show in this paper that the solar sail might be the better propulsion system for such a mission: a solar sail Kinetic Energy Impactor (KEI) spacecraft could impact Apophis from a retrograde trajectory with a very high relative velocity (75-80 km/s) during one of its perihelion passages. The spacecraft consists of a 160 m × 160 m, 168 kg solar sail assembly and a 150 kg impactor. Although conventional spacecraft can also achieve the required minimum deflection of 1 km for this approx. 320 m-sized object from a prograde trajectory, our solar sail KEI concept also allows the deflection of larger objects. For a launch in 2020, we also show that, even after Apophis has flown through one of the gravitational keyholes in 2029, the solar sail KEI concept is still feasible to prevent Apophis from impacting the Earth, but many KEIs would be required for consecutive impacts to increase the total Earth-miss distance to a safe value
Y1  - 2007
N1  - Planetary Defense Conference 2007, Wahington D.C., USA, 05-08 March 2007
SP  - 1
EP  - 12
ER  -