TY - CHAP
A1 - Šakić, Bogdan
A1 - Milijaš, Aleksa
A1 - Marinković, Marko
A1 - Butenweg, Christoph
A1 - Klinkel, Sven
ED - Papadrakakis, Manolis
ED - Fragiadakis, Michalis
T1 - Influence of prior in-plane damage on the out-of-plane response of non-load bearing unreinforced masonry walls under seismic load
T2 - Proceedings of COMPDYN 2021
N2 - Reinforced concrete frames with masonry infill walls are popular form of construction all over the world as well in seismic regions. While severe earthquakes can cause high level of damage of both reinforced concrete and masonry infills, earthquakes of lower to medium intensity some-times can cause significant level of damage of masonry infill walls. Especially important is the level of damage of face loaded infill masonry walls (out-of-plane direction) as out-of-plane load cannot only bring high level of damage to the wall, it can also be life-threating for the people near the wall. The response in out-of-plane direction directly depends on the prior in-plane damage, as previous investigation shown that it decreases resistance capacity of the in-fills. Behaviour of infill masonry walls with and without prior in-plane load is investigated in the experimental campaign and the results are presented in this paper. These results are later compared with analytical approaches for the out-of-plane resistance from the literature. Conclusions based on the experimental campaign on the influence of prior in-plane damage on the out-of-plane response of infill walls are compared with the conclusions from other authors who investigated the same problematic.
KW - Earthquake Engineering
KW - Unreinforced masonry walls
KW - Out-of-plane load
KW - In- plane damage
KW - Out-of-plane failure
Y1 - 2021
SN - 9786188507258
U6 - https://doi.org/10.7712/120121.8527.18913
SN - 2623-3347
N1 - COMPDYN 2021, 28-30 June 2021, Streamed from Athens, Greece, 8th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering
SP - 808
EP - 828
PB - National Technical University of Athens
CY - Athen
ER -
TY - JOUR
A1 - Šakić, Bogdan
A1 - Marinković, Marko
A1 - Butenweg, Christoph
A1 - Klinkel, Sven
ED - Yang, J.
T1 - Influence of slab deflection on the out-of-plane capacity of unreinforced masonry partition walls
JF - Engineering Structures
N2 - Severe damage of non-structural elements is noticed in previous earthquakes, causing high economic losses and posing a life threat for the people. Masonry partition walls are one of the most commonly used non-structural elements. Therefore, their behaviour under earthquake loading in out-of-plane (OOP) direction is investigated by several researches in the past years. However, none of the existing experimental campaigns or analytical approaches consider the influence of prior slab deflection on OOP response of partition walls. Moreover, none of the existing construction techniques for the connection of partition walls with surrounding reinforced concrete (RC) is investigated for the combined slab deflection and OOP loading. However, the inevitable time-dependent behaviour of RC slabs leads to high values of final slab deflections which can further influence boundary conditions of partition walls. Therefore, a comprehensive study on the influence of slab deflection on the OOP capacity of masonry partitions is conducted. In the first step, experimental tests are carried out. Results of experimental tests are further used for the calibration of the numerical model employed for a parametric study. Based on the results, behaviour under combined loading for different construction techniques is explained. The results show that slab deflection leads either to severe damage or to a high reduction of OOP capacity. Existing practical solutions do not account for these effects. In this contribution, recommendations to overcome the problems of combined slab deflection and OOP loading on masonry partition walls are given. Possible interaction of in-plane (IP) loading, with the combined slab deflection and OOP loading on partition walls, is not investigated in this study.
KW - Masonry partition walls
KW - Earthquake
KW - Out-of-plane capacity
KW - Slab deflection
Y1 - 2023
U6 - https://doi.org/10.1016/j.engstruct.2022.115342
SN - 0141-0296
VL - 276
PB - Elsevier
CY - Amsterdam
ER -
TY - CHAP
A1 - Zischank, Wolfgang J.
A1 - Kern, Alexander
A1 - Frentzel, Ralf
A1 - Heidler, Fridolin
A1 - Seevers, M.
T1 - Assessment of the lightning transient coupling to control cables interconnecting structures in large industrial facilities and power plants
N2 - Large industrial facilities and power plants often require a huge number fo information and control cables between the differnet structures. These I&C-cables can be routed in reinforced concrete cable ducts or in isolated buried cable runs. KTA 2206 is the German lightning protection standard for nuclear power plants. During the last several years considerable effort has been made to revise this standard. Despite the well established principles and design guidelines for the construction of the lightning protection system, this standard puts special emphasis on the coupling of transient overvoltages to I&C-cables.
KW - Blitzschutz
KW - Elektromagnetische Kopplung
KW - Überspannung
KW - Kraftwerke
KW - Industrieanlagen
KW - Lightning
KW - current distribution
KW - electromagnetic coupling
KW - overvoltages
Y1 - 2000
ER -
TY - CHAP
A1 - Zischank, Wolfgang J.
A1 - Heidler, Fridolin
A1 - Wiesinger, J.
A1 - Stimper, K.
A1 - Kern, Alexander
A1 - Seevers, M.
T1 - Magnetic Fields and Induced Voltages inside LPZ 1 Measured at a 1:6 Scale Model Building
N2 - Laborexperimente zu Blitzschutzzonen in Stahlbetongebäuden anhand eines Modells im Maßstab 1:6
N2 - For the application of the concept of Lightning Protection Zones (LPZ), the knowledge of the magnetic fields and induced voltages inside a structure is necessary. Laboratory experiments have been conducted at a downscaled model of a building (scale factor 1:6) to determine these electromagnetic quantities in case of a direct strike to the structure. The model (3 m x 2 m x 2 m) represented a small industrial building using the reinforcement of the concrete as electromagnetic shield. The magnetic fields and magnetic field derivatives were measured at several location inside the scaled model. Further, the voltages induced on three typical cable routes inside the model was determined. The influence of the lightning current waveshape, point-of-strike, bonding of the cable routes, and bridging of an expansion joint in the middle of the building on these quantities was studied.
KW - Blitzschlag
KW - Elektromagnetischer Schutzschild
KW - Stahlbeton
KW - Maßstabsgetreues Modell
KW - Lightning
KW - electromagnetic shielding
KW - reinforced concrete
KW - scaled model
Y1 - 2004
ER -
TY - JOUR
A1 - Zischank, Wolfgang J.
A1 - Heidler, Fridolin
A1 - Wiesinger, J.
A1 - Metwally, I.
A1 - Kern, Alexander
A1 - Seevers, M.
T1 - Laboratory simulation of direct lightning strokes to a modeled building : measurement of magnetic fields and included voltages
JF - Journal of electrostatics. 60 (2004), H. 2 - 4
Y1 - 2004
SN - 0304-3886
N1 - ISSN der E-Ausg.: 0304-3886
SP - 223
EP - 232
ER -
TY - CHAP
A1 - Zischank, Wolfgang J.
A1 - Heidler, Fridolin
A1 - Kern, Alexander
A1 - Metwally, I. A.
A1 - Wiesinger, J.
A1 - Seevers, M.
T1 - Laboratory simulation of direct lightning strokes to a modelled building - measurement of magnetic fields and induced voltages
N2 - In IEC 61312-2 equations for the assessment of the magnetic fields inside structures due to a direct lightning strike are given. These equations are based on computer simulations for shields consisting of a single-layer steel grid of a given mesh width. Real constructions, however, contain at least two layers of reinforcement steel grids. The objective of this study was to experimentally determine the additional shielding effectiveness of a second reinforcement layer compared to a single-layer grid. To this end, simulated structures were set up in the high current laboratory. The structures consisted of cubic cages of 2 m side length with one or with two reinforcement grids, respectively. The structures were exposed to direct lightning currents representing the variety of anticipated lightning current waveforms. The magnetic fields and their derivatives at several positions inside the structure as well as the voltage between “floor” and “roof” in the center were determined for different current injection points. From these data the improvement of the shielding caused by a second reinforcement layer is derived.
KW - Direkter Blitzschlag
KW - Elektromagnetischer Schutzschild
KW - Magnetische Felder
KW - Induzierte Spannungen
KW - Stahlbetonkonstruktion
KW - Lightning
KW - electromagnetic shielding
KW - magnetic field
KW - reinforced concrete
KW - induced voltage
Y1 - 2002
ER -
TY - CHAP
A1 - Ziegler, M.
A1 - Schüller, R.
A1 - Mottaghy, Darius
T1 - Numerical simulation of energy consumption of artificial ground freezing applications subject to water seepage
T1 - Simulation numérique de la consummation d´énergie des applications pour la congélation artificielle du sol soumise au flux de l´eau souterraine
T2 - Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering, Paris 2013
Y1 - 2013
SP - 2985
EP - 2988
ER -
TY - JOUR
A1 - Zatko, B.
A1 - Dubecký, F.
A1 - Bohacek, P.
A1 - Gombia, E.
A1 - Frigeri, P.
A1 - Mosca, R.
A1 - Franchi, S.
A1 - Huarn, J.
A1 - Nescas, V.
A1 - Sekacova, M.
A1 - Förster, Arnold
A1 - Kordos, P.
T1 - On the spectrometric performance limit of radiation detectors based on semi-insulating GaAs
JF - Nuclear instruments and methods in physics research, Section A. 531 (2004), H. 1-2
Y1 - 2004
SN - 0168-9002
SP - 111
EP - 120
ER -
TY - CHAP
A1 - Zahra, Mahdi
A1 - Phani Srujan, Merige
A1 - Chico Caminos, Ricardo Alexander
A1 - Schmitz, Pascal
A1 - Herrmann, Ulf
A1 - Teixeira Boura, Cristiano José
A1 - Schmitz, Mark
A1 - Gielen, Hans
A1 - Gedle, Yibekal
A1 - Dersch, Jürgen
T1 - Modeling the thermal behavior of solar salt in electrical resistance heaters for the application in PV-CSP hybrid power plants
T2 - SOLARPACES 2020
N2 - Concentrated Solar Power (CSP) systems are able to store energy cost-effectively in their integrated thermal energy storage (TES). By intelligently combining Photovoltaics (PV) systems with CSP, a further cost reduction of solar power plants is expected, as well as an increase in dispatchability and flexibility of power generation. PV-powered Resistance Heaters (RH) can be deployed to raise the temperature of the molten salt hot storage from 385 °C up to 565 °C in a Parabolic Trough Collector (PTC) plant. To avoid freezing and decomposition of molten salt, the temperature distribution in the electrical resistance heater is investigated in the present study. For this purpose, a RH has been modeled and CFD simulations have been performed. The simulation results show that the hottest regions occur on the electric rod surface behind the last baffle. A technical optimization was performed by adjusting three parameters: Shell-baffle clearance, electric rod-baffle clearance and number of baffles. After the technical optimization was carried out, the temperature difference between the maximum temperature and the average outlet temperature of the salt is within the acceptable limits, thus critical salt decomposition has been avoided. Additionally, the CFD simulations results were analyzed and compared with results obtained with a one-dimensional model in Modelica.
KW - Solar thermal technologies
KW - Hybrid energy system
KW - Concentrated solar power
KW - Energy storage
KW - Photovoltaics
Y1 - 2022
SN - 978-0-7354-4195-8
U6 - https://doi.org/10.1063/5.0086268
SN - 1551-7616 (online)
SN - 0094-243X (print)
N1 - SOLARPACES 2020: 26th International Conference on Concentrating Solar Power and Chemical Energy Systems, 28 September–2 October 2020, Freiburg, Germany
IS - 2445 / 1
PB - AIP conference proceedings / American Institute of Physics
CY - Melville, NY
ER -
TY - BOOK
A1 - Wählisch, Georg
T1 - Technisches Zeichnen : Lösungsvorschläge für das Selbststudium. (Berichte aus dem Maschinenbau)
Y1 - 2012
SN - 978-3-8440-1159-3
PB - Shaker
CY - Aachen
ER -
TY - BOOK
A1 - Wählisch, Georg
T1 - Technisches Zeichnen : Vorlesung und Übungen
Y1 - 2009
SN - 978-3-8322-8044-4
PB - Shaker
CY - Aachen
ER -
TY - CHAP
A1 - Wuttke, Claudia
A1 - Butenweg, Christoph
A1 - Rosin, Julia
A1 - Kubalski, Thomas
T1 - Verbesserte seismische Nachweiskonzepte für Mauerwerksbauten in deutschen Erdbebengebieten
T2 - Adam, Christoph (Hrsg.) ; Univ. Innsbruck: 16. D-A-CH Tagung Erdbebeningenieurwesen & Baudynamik 2019 : 26. und 27. September 2019, Innsbruck
Y1 - 2019
SN - 978-3-200-06454-6
SP - 713
EP - 722
CY - Innsbruck
ER -
TY - JOUR
A1 - Wettingfeld, Jürgen
A1 - Kern, Alexander
A1 - Krämer, Heinz-Josef
A1 - Thormählen, Reyno
T1 - International anerkannte Blitzschutznormen : Ausgewogener und sicherer Schutz
N2 - Die Einleitung zur Norm DIN EN 62305-3 beschreibt klar und ein - deutig: Der vorliegende Teil der IEC 62305 behandelt den Schutz von baulichen Anlagen gegen materielle Schäden und den Schutz von Personen gegen Verletzungen durch Berührungs- und Schrittspannungen. Als das wesentlichste und effektivste Mittel zum Schutz von baulichen Anlagen gegen materielle Schäden gilt das Blitz - schutzsystem (LPS).
KW - Blitzschutz
KW - lightning protection
Y1 - 2009
PB - Fachhochschule Aachen
CY - Aachen
ER -
TY - CHAP
A1 - Wetter, Martin
A1 - Kern, Alexander
T1 - Number of lightning strikes to tall structures - comparison of calculations and measurements using a modern lightning monitoring system
T2 - 2014 International Conference on Lightning Protection (ICLP), Shanghai, China
Y1 - 2014
SP - 1
EP - 7
ER -
TY - CHAP
A1 - Werner, Frederik
A1 - Mansour, Ahmed
A1 - Rateike, Franz-Matthias
A1 - Schusser, Sebastian
A1 - Wagner, Torsten
A1 - Yoshinobu, Tatsuo
A1 - Keusgen, Michael
A1 - Schöning, Michael Josef
ED - Gerlach, Gerald
T1 - Kompakter Aufbau eines lichtadressierbaren potentiometrischen Sensors mit verfahrbarem Diodenlaser
T2 - 10. Dresdner Sensor-Symposium : Dresden, 5. - 7. Dezember 2011 ; miniaturisierte analytische Verfahren, Hochtemperatur-Sensoren, Sensoren für Bioprozess- und Verfahrenstechnik, Sensoren für die Medizin, Chemische Verfahrenstechnik, Lebensmittelanalytik, innovative Sensorlösungen, Sensoren für die Wasserqualität, Selbstüberwachung / Gerald Gerlach ... (Hg.) Dresdner Beiträge zur Sensorik. 43
Y1 - 2011
SN - 978-3-942710-53-4
SP - 277
EP - 280
PB - TUDpress
CY - Dresden
ER -
TY - JOUR
A1 - Werner, Frederik
A1 - Krumbe, Christoph
A1 - Schumacher, Katharina
A1 - Groebel, Simone
A1 - Spelthahn, Heiko
A1 - Stellberg, Michael
A1 - Wagner, Torsten
A1 - Yoshinobu, Tatsuo
A1 - Selmer, Thorsten
A1 - Keusgen, Michael
A1 - Baumann, Marcus
A1 - Schöning, Michael Josef
T1 - Determination of the extracellular acidification of Escherichia coli by a light-addressable potentiometric sensor
JF - Physica status solidi (a) : applications and material science. 208 (2011), H. 6
Y1 - 2011
SN - 1862-6319
SP - 1340
EP - 1344
PB - Wiley
CY - Weinheim
ER -
TY - CHAP
A1 - Weber, Felix
A1 - Bomholt, Frederik
A1 - Butenweg, Christoph
ED - Bergmeister, Konrad
ED - Fingerloos, Frank
ED - Wörner, Johann-Dietrich
T1 - Erdbeben- und Schwingungsschutz von Bauwerken
T2 - 2023 BetonKalender: Wasserundurchlässiger Beton, Brückenbau
N2 - Dieser Beitrag beschreibt die herkömmlichen Maßnahmen wie die Kapazitätsbemessung der Tragwerksstruktur, die Isolation des Bauwerks mittels Basisisolatoren, die Dämpfungserhöhung der Struktur mittels Inter-Story-Dämpfern und die Schwingungsreduktion mittels Schwingungstilgern gegen Einwirkungen durch Erdbeben, Wind, Verkehr und Personen auf die Bauwerke. Ergänzend wird die erdbebengerechte Auslegung und Isolation von nichttragenden Bauteilen behandelt. Für die betrachteten Systeme werden die Bewegungsdifferenzialgleichungen unter Berücksichtigung der wesentlichen Nichtlinearitäten angegeben. Die vorgestellten Weiterentwicklungen in den Bereichen der Basisisolatoren, Dämpfern und Schwingungstilgern zeigen, dass das modellbasierte Design mittels Simulation ein sehr effektives, ökonomisches und dank der heutigen Computerleistung auch zeiteffizientes Werkzeug darstellt.
Y1 - 2022
SN - 9783433611180
SN - 9783433033753
U6 - https://doi.org/10.1002/9783433611180.ch16
N1 - Beton-Kalender, 112. Jahrgang (2023): Wasserundurchlässiger Beton, Brückenbau ausleihbar unter der Sig. 11 XCF 3-2023,2
SP - 779
EP - 859
PB - Ernst & Sohn
CY - Berlin
ER -
TY - JOUR
A1 - Warerkar, Shashikant
A1 - Schmitz, Stefan
A1 - Göttsche, Joachim
A1 - Hoffschmidt, Bernhard
T1 - Wirtschaftlich und flexibel : Luft-Sand-Wärmeübertrager für die Energiespeicherung bei Temperaturen bis 800 °C
JF - Verfahrenstechnik. 41 (2007), H. 4
Y1 - 2007
SN - 0175-5315
N1 - Comsol-Konferenz zur Multiphysik-Simulation <2006, Frankfurt>
SP - 72
EP - 73
ER -
TY - JOUR
A1 - Walther, T.
A1 - Gerthsen, D.
A1 - Carius, Reinhard
A1 - Förster, Arnold
T1 - AlAs/GaAs Quantum well structures: Interface properties investigated by high-resolution transmission electron microscopy and photoluminescence spectroscopy / T. Walther ; D. Gerthsen ; R. Carius ; A. Förster ...
JF - Microscopy of semiconducting materials 1993 : proceedings of the Royal Microscopical Society Conference held at Oxford University, 5 - 8 April 1993 / ed. by A. G. Cullis ... - (Conference series / Institute of Physics ; 134)
Y1 - 1993
SN - 0-7503-0290-9
N1 - Royal Microscopical Society Conference on Microscopy of Semiconducting Materials <8, 1993, Oxford> ; MSM <8, 1993, Oxford>
SP - 449
EP - ff.
PB - Institute of Physics
CY - Bristol [u.a.]
ER -
TY - JOUR
A1 - Walter, G.
A1 - Borchert, Jörg
T1 - Der Einsatz von Realoptionen in der Elektrizitätswirtschaft
JF - M & A Review
Y1 - 2002
SN - 1616-0878
IS - 4
SP - 198
ER -
TY - CHAP
A1 - Wagner, R.
A1 - Noh, S.-Y.
A1 - Butenweg, Christoph
A1 - Meskouris, Konstantin
T1 - Seismic excited granular material silos
T2 - Structural dynamics - EURODYN 2002 : proceedings of the 4th [i.e. 5th] International Conference on Structural Dynamics, Munich, Germany, 2 - 5 September 2002 / ed. by H. Grundmann ...
Y1 - 2002
SN - 90-5809-511-8
SP - 253
EP - 258
PB - Balkema
CY - Lisse
ER -
TY - CHAP
A1 - von den Driesch, Elena
A1 - Steuer-Dankert, Linda
A1 - Berg, Tobias
A1 - Leicht-Scholten, Carmen
T1 - Implementation of gender and diversity perspectives in transport development plans in germany
T2 - Engendering cities: designing sustainable urban spaces for all
N2 - As mobility should ensure the accessibility to and participation in society, transport planning has to deal with a variety of gender and diversity categories affecting users’ mobility needs and patterns. Exemplified by an analysis of an instrument of transport development processes – German Transport Development Plans (TDPs) – we investigated to what extent diverse target groups and their mobility requirements are implemented in transport strategy papers. Research results illustrate a still-prevalent neglect of several relevant gender and diversity categories while prioritizing and focusing on eco-friendly topics. But how sustainable can transport be without facing the diversification of life circumstances?
Y1 - 2020
SN - 978-1-351-20090-5
SP - 90
EP - 109
PB - Routledge
CY - London
ER -
TY - JOUR
A1 - Vogt, Christian
A1 - Iwanowski-Strahser, Katha
A1 - Marquart, Gabriele
A1 - Arnold, Juliane
A1 - Mottaghy, Darius
A1 - Pechnig, Renate
A1 - Gnjezda, Daniel
A1 - Clauser, Christoph
T1 - Modeling contribution to risk assessment of thermal production power for geothermal reservoirs
JF - Renewable Energy
Y1 - 2013
U6 - https://doi.org/10.1016/j.renene.2012.11.026
SN - 0960-1481
VL - 53
SP - 230
EP - 241
PB - Elsevier
CY - Amsterdam
ER -
TY - JOUR
A1 - Vogt, C.
A1 - Mottaghy, Darius
A1 - Wolf, A.
A1 - Rath, V.
A1 - Pechnig, R.
A1 - Clauser, C.
T1 - Reducing temperature uncertainties by stochastic geothermal reservoir modelling
JF - Geophysical Journal International
N2 - Quantifying and minimizing uncertainty is vital for simulating technically and economically successful geothermal reservoirs. To this end, we apply a stochastic modelling sequence, a Monte Carlo study, based on (i) creating an ensemble of possible realizations of a reservoir model, (ii) forward simulation of fluid flow and heat transport, and (iii) constraining post-processing using observed state variables. To generate the ensemble, we use the stochastic algorithm of Sequential Gaussian Simulation and test its potential fitting rock properties, such as thermal conductivity and permeability, of a synthetic reference model and—performing a corresponding forward simulation—state variables such as temperature. The ensemble yields probability distributions of rock properties and state variables at any location inside the reservoir. In addition, we perform a constraining post-processing in order to minimize the uncertainty of the obtained distributions by conditioning the ensemble to observed state variables, in this case temperature. This constraining post-processing works particularly well on systems dominated by fluid flow. The stochastic modelling sequence is applied to a large, steady-state 3-D heat flow model of a reservoir in The Hague, Netherlands. The spatial thermal conductivity distribution is simulated stochastically based on available logging data. Errors of bottom-hole temperatures provide thresholds for the constraining technique performed afterwards. This reduce the temperature uncertainty for the proposed target location significantly from 25 to 12 K (full distribution width) in a depth of 2300 m. Assuming a Gaussian shape of the temperature distribution, the standard deviation is 1.8 K. To allow a more comprehensive approach to quantify uncertainty, we also implement the stochastic simulation of boundary conditions and demonstrate this for the basal specific heat flow in the reservoir of The Hague. As expected, this results in a larger distribution width and hence, a larger, but more realistic uncertainty estimate. However, applying the constraining post-processing the uncertainty is again reduced to the level of the post-processing without stochastic boundary simulation. Thus, constraining post-processing is a suitable tool for reducing uncertainty estimates by observed state variables.
Y1 - 2010
U6 - https://doi.org/10.1111/j.1365-246X.2009.04498.x
SN - 1365-246X
VL - 181
IS - 1
SP - 321
EP - 333
PB - Oxford University Press
CY - Oxford
ER -
TY - JOUR
A1 - Vogt, C.
A1 - Mottaghy, Darius
A1 - Rath, V.
A1 - Marquart, G.
A1 - Dijkshoorn, L.
A1 - Wolf, A.
A1 - Clauser, C.
T1 - Vertical variation in heat flow on the Kola Peninsula: palaeoclimate or fluid flow?
JF - Geophysical Journal International
N2 - Following earlier studies, we present forward and inverse simulations of heat and fluid transport of the upper crust using a local 3-D model of the Kola area. We provide best estimates for palaeotemperatures and permeabilities, their errors and their dependencies. Our results allow discriminating between the two mentioned processes to a certain extent, partly resolving the non-uniqueness of the problem. We find clear indications for a significant contribution of advective heat transport, which, in turn, imply only slightly lower ground surface temperatures during the last glacial maximum relative to the present value. These findings are consistent with the general background knowledge of (i) the fracture zones and the corresponding fluid movements in the bedrock and (ii) the glacial history of the Kola area.
Y1 - 2014
U6 - https://doi.org/10.1093/gji/ggu282
SN - 1365-246X
VL - 199
IS - 2
SP - 829
EP - 843
PB - Oxford University Press
CY - Oxford
ER -
TY - JOUR
A1 - Vitusevich, S. A.
A1 - Förster, Arnold
A1 - Reetz, W.
A1 - Lüth, H.
A1 - Belyaev, A. E.
A1 - Danylyuk, S. V.
T1 - Spectral Responsivity of single-quantum-well photodetectors
JF - Applied Physics Letters. 77 (2000), H. 1
Y1 - 2000
SN - 1077-3118
SP - 16
EP - 18
ER -
TY - JOUR
A1 - Vitusevich, S. A.
A1 - Förster, Arnold
A1 - Reetz, W.
A1 - Lüth, H.
A1 - Belyaev, A. E.
A1 - Danylyuk, S. V.
T1 - Fine structure of photoresponse spectra in a double-barrier resonant tunnelling diode
JF - Nanotechnology. 11 (2000), H. 4
Y1 - 2000
SN - 1361-6528
SP - 305
EP - 308
ER -
TY - JOUR
A1 - Vitusevich, S. A.
A1 - Förster, Arnold
A1 - Lüth, H.
A1 - Belyaev, A. E.
A1 - Danylyuk, S. V.
A1 - Konakova, R. V.
A1 - Sheka, D. I.
T1 - Resonant spectroscopy of electric-field-induced superlattices
JF - Journal of Applied Physics. 90 (2001), H. 6
Y1 - 2001
SN - 1089-7550
U6 - https://doi.org/10.1063/1.1392956
SP - 2857
EP - 2861
ER -
TY - JOUR
A1 - Vitusevich, S. A.
A1 - Förster, Arnold
A1 - Indlekofer, K.-M.
A1 - Lüth, H.
A1 - Belyaev, A. E.
A1 - Glavin, B. A.
A1 - Konakova, R. V.
T1 - Tunneling Through X-Valley-Related Impurity States in GaAs/AlAs Resonant-Tunneling Diodes
JF - Physical Review . B. 61 (2000), H. 16
Y1 - 2000
SN - 1550-235X
SP - 10898
EP - 10904
ER -
TY - JOUR
A1 - Verschitz, Daniel
A1 - Butenweg, Christoph
T1 - Standsicherheitsnachweis von Behältern für Kleinkläranlagen
JF - ACWA aktuell
N2 - Die PIA GmbH prüft seit fast 8 Jahren die Standsicherheit von Behältern für Kleinkläranlagen. Diese bestehen in der Regel aus Kunststoff oder Beton und müssen über ihre gesamte Lebensdauer den Beanspruchungen aus Handhabung, Einbau und Betrieb standhalten. Die Standsicherheit kann nach EN 12566 wahlweise durch einen rechnerischen Nachweis oder durch einen praktischen Nachweis wie die Bruchlastprüfung oder die Prüfung in der Grube erfolgen.
Y1 - 2014
IS - 12 - 9/2014
SP - 10
PB - RWTH Aachen
CY - Aachen
ER -
TY - JOUR
A1 - Velraj, R.
A1 - Seeniraj, R. V.
A1 - Hafner, B.
A1 - Faber, Christian
A1 - Schwarzer, Klemens
T1 - Experimental analysis and numerical modelling of inward solidification on a finned vertical tube for a latent heat storage unit
JF - Solar energy. 60 (1997), H. 5
Y1 - 1997
SN - 0038-092X
SP - 281
EP - 290
ER -
TY - JOUR
A1 - Varga, Laszlo
A1 - Davinson, Thomas
A1 - Glorius, Jan
A1 - Jurado, Beatrix
A1 - Langer, Christoph
A1 - Lederer-Woods, Claudia
A1 - Litvinov, Yuri A.
A1 - Reifarth, Rene
A1 - Slavkovska, Zuzana
A1 - Stöhlker, Thomas
A1 - Woods, Phil J.
A1 - Xing, Yuan Ming
T1 - Towards background-free studies of capture reaction in a heavy-ion storage ring
JF - Journal of Physics: Conference Series
N2 - Stored and cooled, highly-charged ions offer unprecedented capabilities for precision studies in the realm of atomic, nuclear structure and astrophysics[1]. After the successful investigation of the 96Ru(p,7)97Rh reaction cross section in 2009[2], the first measurement of the 124Xe(p,7)125Cs reaction cross section has been performed with decelerated, fully-ionized 124Xe ions in 2016 at the Experimental Storage Ring (ESR) of GSI[3]. Using a Double Sided Silicon Strip Detector, introduced directly into the ultra-high vacuum environment of a storage ring, the 125Cs proton-capture products have been successfully detected. The cross section has been measured at 5 different energies between 5.5AMeV and 8AMeV, on the high energy tail of the Gamow-window for hot, explosive scenarios such as supernovae and X-ray binaries. The elastic scattering on the H2 gas jet target is the major source of background to count the (p,7) events. Monte Carlo simulations show that an additional slit system in the ESR in combination with the energy information of the Si detector will enable background free measurements of the proton-capture products. The corresponding hardware is being prepared and will increase the sensitivity of the method tremendously.
Y1 - 2020
VL - 1668
IS - Art 012046
PB - IOP
CY - Bristol
ER -
TY - JOUR
A1 - Ungermanns, C.
A1 - Ahe, M. v. d.
A1 - Carius, Reinhard
A1 - Förster, Arnold
T1 - Optimization of III/V binary growth with RHEED in MOMBE / C. Ungermanns ; M. v. d. Ahe ; R. Carius ; A. Förster ...
JF - Fresenius' Journal of Analytical Chemistry. 358 (1997), H. 1-2
Y1 - 1997
SN - 0937-0633
N1 - ISSN der E-Ausg.: 1432-1130
SP - 101
EP - 104
ER -
TY - CHAP
A1 - Tomić, Igor
A1 - Penna, Andrea
A1 - DeJong, Matthew
A1 - Butenweg, Christoph
A1 - Correia, António A.
A1 - Candeias, Paulo X.
A1 - Senaldi, Ilaria
A1 - Guerrini, Gabriele
A1 - Malomo, Daniele
A1 - Beyer, Katrin
T1 - Seismic testing of adjacent interacting masonry structures
T2 - 12th International Conference on Structural Analysis of Historical Constructions (SAHC 2020)
N2 - In many historical centres in Europe, stone masonry buildings are part of building aggregates, which developed when the layout of the city or village was densified. In these aggregates, adjacent buildings share structural walls to support floors and roofs. Meanwhile, the masonry walls of the façades of adjacent buildings are often connected by dry joints since adjacent buildings were constructed at different times. Observations after for example the recent Central Italy earthquakes showed that the dry joints between the building units were often the first elements to be damaged. As a result, the joints opened up leading to pounding between the building units and a complicated interaction at floor and roof beam supports. The analysis of such building aggregates is very challenging and modelling guidelines do not exist. Advances in the development of analysis methods have been impeded by the lack of experimental data on the seismic response of such aggregates. The objective of the project AIMS (Seismic Testing of Adjacent Interacting Masonry Structures), included in the H2020 project SERA, is to provide such experimental data by testing an aggregate of two buildings under two horizontal components of dynamic
excitation. The test unit is built at half-scale, with a two-storey building and a one-storey building. The buildings share one common wall while the façade walls are connected by dry joints. The floors are at different heights leading to a complex dynamic response of this smallest possible building aggregate. The shake table test is conducted at the LNEC seismic testing facility. The testing sequence comprises four levels of shaking: 25%, 50%, 75% and 100% of nominal shaking table capacity. Extensive instrumentation, including accelerometers, displacement transducers and optical measurement systems, provides detailed information on the building aggregate response. Special attention is paid to the interface opening, the globa
KW - Historical centres
KW - Stone masonry
KW - Adjacent buildings
KW - Shake table test
Y1 - 2020
U6 - https://doi.org/10.23967/sahc.2021.234
N1 - 12th International Conference on Structural Analysis of Historical Constructions (SAHC 2021), September 29-30 and October 1, 2021, online
N1 - (SAHC 2020 ursprünglich geplant für September 2020 in Barelona - verschoben wg. Covid-Pandemie)
SP - 1
EP - 12
ER -
TY - CHAP
A1 - Tomic, Igor
A1 - Penna, Andrea
A1 - DeJong, Matthew
A1 - Butenweg, Christoph
A1 - Senaldi, Ilaria
A1 - Guerrini, Gabriele
A1 - Malomo, Daniele
A1 - Beyer, Katrin
T1 - Blind predictions of shake table testing of aggregate masonry buildings
T2 - Proceedings of the 17th World Conference on Earthquake Engineering
N2 - In many historical centers in Europe, stone masonry is part of building aggregates, which developed when the layout of the city or village was densified. The analysis of such building aggregates is very challenging and modelling guidelines missing. Advances in the development of analysis methods have been impeded by the lack of experimental data on the seismic response of such aggregates. The SERA project AIMS (Seismic Testing of Adjacent Interacting Masonry Structures) provides such experimental data by testing an aggregate of two buildings under two horizontal components of dynamic excitation. With the aim to advance the modelling of unreinforced masonry aggregates, a blind prediction competition is organized before the experimental campaign. Each group has been provided a complete set of construction drawings, material properties, testing sequence and the list of measurements to be reported. The applied modelling approaches span from equivalent frame models to Finite Element models using shell elements and discrete element models with solid elements. This paper compares the first entries, regarding the modelling approaches, results in terms of base shear, roof displacements, interface openings, and the failure modes.
KW - Historical centres
KW - Stone masonry
KW - Adjacent buildings
KW - Shake table test
KW - Blind prediction competition
Y1 - 2020
N1 - 17th World Conference on Earthquake Engineering, Sendai, Japan, September 27 to October 2, 2021
N1 - (Die Konferenz war ursprünglich für den 13-18 September 2020 angesetzt)
ER -
TY - JOUR
A1 - Tillmann, K.
A1 - Förster, Arnold
T1 - Critical dimensions for the formation of interfacial misfit dislocations of In0.6Ga0.4As islands on GaAs(001)
JF - Thin Solid Films. 368 (2000), H. 1
Y1 - 2000
SN - 0040-6090
SP - 93
EP - 104
ER -
TY - BOOK
A1 - Thielemann, Frank
A1 - Staudt, Erich
A1 - Toberg, M.
A1 - Linné, H.
T1 - Kooperationshandbuch : ein Leitfaden für die Unternehmenspraxis / Staudt, E.; Toberg, M.; Linné, H.; Bock, J.; Thielemann, F.
Y1 - 1992
SN - 3-18-401217-4
N1 - Inhaltsverzeichnis
PB - VDI-Verl. [u.a.]
CY - Düsseldorf
ER -
TY - BOOK
A1 - Thielemann, Frank
A1 - Staudt, Erich
A1 - Schaffner, Michael
T1 - Strategische Kooperationen - ein Weg für die Druckindustrie 2000 ins Medienzeitalter? Ergebnisse einer empirischen Untersuchung zu kooperativen Geschäftsbeziehungen der Druckindustrie / Erich Staudt ; Frank Thielemann ; Michael Schaffner
Y1 - 1996
N1 - Berichte aus der angewandten Innovationsforschung ; 152
PB - Inst. für Angewandte Innovationsforschung e.V.
CY - Bochum
ER -
TY - BOOK
A1 - Thielemann, Frank
A1 - Staudt, Erich
A1 - Kriegesmann, Bernd
A1 - Behrendt, S.
T1 - Kooperationsleitfaden : Planungshilfen und Checklisten zum Management zwischenbetrieblicher Kooperation / Staudt, E.; Kriegesmann, B.; Thielemann, F.; Behrendt, S.
Y1 - 1996
SN - 3-88649-188-9
N1 - Inhaltsverzeichnis
PB - Raabe
CY - Stuttgart [u.a.]
ER -
TY - BOOK
A1 - Thielemann, Frank
A1 - Staudt, Erich
A1 - Kriegesmann, Bernd
A1 - Behrendt, S.
T1 - Kooperation als Erfolgsfaktor ostdeutscher Unternehmen : Ergebnisse einer empirischen Untersuchung zur Kooperationslandschaft in Ostdeutschland / Staudt, E.; Kriegesmann, B.; Thielemann, F.; Behrendt, S.; Chalupsky, J.
Y1 - 1994
N1 - Berichte aus der angewandten Innovationsforschung ; 132 ; Inhaltsverzeichnis
PB - Inst. für Angewandte Innovationsforschung e.V.
CY - Bochum
ER -
TY - BOOK
A1 - Thielemann, Frank
A1 - Staudt, Erich
A1 - Kriegesmann, Bernd
T1 - Joint-ventures. Staudt, Erich; Kriegesmann, Bernd; Thielemann, Frank
Y1 - 1994
N1 - Berichte aus der angewandten Innovationsforschung ; 133
PB - Inst. für Angewandte Innovationsforschung e.V.
CY - Bochum
ER -
TY - BOOK
A1 - Thielemann, Frank
A1 - Staudt, Erich
A1 - Kriegesmann, Bernd
T1 - Qualifikationsbeschaffung im Transformationsprozeß : Ergebnisse einer empirischen Untersuchung in der Druckindustrie / Staudt, Erich; Kriegesmann, Bernd ; Thielemann, Frank
Y1 - 1995
N1 - Berichte aus der angewandten Innovationsforschung ; 135
PB - Inst. für Angewandte Innovationsforschung e.V.
CY - Bochum
ER -
TY - JOUR
A1 - Thielemann, Frank
A1 - Staudt, Erich
A1 - Kriegesmann, Bernd
T1 - Kooperation als Erfolgsfaktor ostdeutscher Unternehmen. Ergebnisse einer empirischen Untersuchung zur Kooperationslandschaft in Ostdeutschland. Staudt, E.; Kriegesmann, B.; Thielemann, F.
JF - Zeitschrift für Betriebswirtschaft ZfB. 65 (1995), H. 11
Y1 - 1995
SN - 0044-2372
N1 - unter der Signatur 43 Z 366 in der Bibliothek Eupener Str. vorhanden
SP - 1209
EP - 1230
ER -
TY - JOUR
A1 - Thielemann, Frank
A1 - Staudt, Erich
A1 - Kriegesmann, Bernd
T1 - Neuformierung von Wertschöpfungsketten: Das Beispiel Druckindustrie . Staudt, Erich; Kriegesmann, Bernd; Thielemann, Frank
JF - Zeitschrift Führung und Organisation. 96 (1997), H. 2
Y1 - 1997
SN - 0044-3212
N1 - in der Bereichsbibliothek Eupener Str. unter der Signatur 43 Z 367-1997 vorhanden
SP - 75
EP - 80
ER -
TY - JOUR
A1 - Thielemann, Frank
A1 - Staudt, Erich
A1 - Kriegesmann, Bernd
T1 - Kooperationsverhalten in der Druckindustrie - zwischen Bestandssicherung und Offensive. Staudt, Erich; Kriegesmann, Bernd; Thielemann, Frank
JF - Die Betriebswirtschaft. 58 (1998), H. 6
Y1 - 1998
SN - 0342-7064
N1 - unter der Signatur 43 Z 411-1998 in der Bereichsbibliothek Eupener Str. vorhanden
SP - 803
EP - 815
ER -
TY - BOOK
A1 - Thielemann, Frank
A1 - Staudt, Erich
T1 - Von der Druckindustrie zum Multimedia-Dienstleister : Kompetenz durch Innovation / Erich Staudt ; Thielemann, Frank
Y1 - 1996
N1 - Berichte aus der angewandten Innovationsforschung ; 161
PB - Inst. für Angewandte Innovationsforschung e.V.
CY - Bochum
ER -
TY - JOUR
A1 - Thielemann, Frank
A1 - Staudt, Erich
T1 - Kompetenz zur Innovation: Vom Druckbetrieb zum Multimedia-Dienstleister . Staudt, E.; Thielemann, F.
JF - News Letter (der Gesellschaft für Wirtschaftsförderung Duisburg) (1997)
Y1 - 1997
SP - 3
EP - 3
ER -
TY - JOUR
A1 - Thielemann, Frank
A1 - Staudt, Erich
T1 - Reicht die Kompetenz zur Innovation? Staudt, E.; Thielemann, F.
JF - OP DruckMagazin. 39 (1997), H. 10
Y1 - 1997
SN - 0030-0594
SP - 30
EP - 32
ER -
TY - BOOK
A1 - Thielemann, Frank
A1 - Staudt, Erich
T1 - Innovation durch strategische Allianzen : ein Wegweiser für die Druck- und Medienbranche . Staudt, Erich; Thielemann, Frank
Y1 - 1998
SN - 3-928854-14-3
N1 - Innovation ; 14
PB - IAI, Inst. für Angewandte Innovationsforschung
CY - Bochum
ER -
TY - JOUR
A1 - Thielemann, Frank
A1 - Schaffner, M.
T1 - Gemeinsam sind wir stark . Schaffner, M.; Thielemann, F.
JF - Print & Produktion. 9 (1996), H. 10
Y1 - 1996
SN - 0944-7482
SP - 28
EP - f.
ER -