TY - CHAP A1 - Wolff, Nino A1 - Seefeldt, Patric A1 - Bauer, Wolfgang A1 - Fiebig, Christopher A1 - Gerding, Patrick A1 - Parow-Souchon, Kai A1 - Pongs, Anna A1 - Reiffenrath, Matti A1 - Ziemann, Thomas T1 - Alternative application of solar sail technology T2 - Advances in solar sailing N2 - The development of Gossamer sail structures for solar sails contributes to a large field of future space applications like thin film solar generators, membrane antennas and drag sails. The focus of this paper is the development of a drag sail based on solar sail technology that could contribute to a reduction of space debris in low Earth orbits. The drag sail design and its connections to solar sail development, a first test on a sounding rocket, as well as the ongoing integration of the drag sail into a triple CubeSat is presented. Y1 - 2014 SN - 978-3-642-34906-5 (Print) ; 978-3-642-34907-2 (E-Book) U6 - http://dx.doi.org/10.1007/978-3-642-34907-2_23 SP - 351 EP - 365 PB - Springer CY - Berlin ER - TY - CHAP A1 - Wahle, Michael ED - Reimerdes, Hans-G. T1 - Strukturmechanische Auslegung von Elastomer-Bauteilen in der Schwingungstechnik T2 - Kolloquium anläßlich des 70. Geburtstags von H. Öry : [29.09.1997 - 30.09.1997, Kármán-Auditorium, Hörsaal FO5, RWTH Aachen] Y1 - 1997 SP - 175 EP - 188 PB - Inst. für Leichtbau CY - Aachen ER - TY - CHAP A1 - Röth, Thilo A1 - Pielen, Michael T1 - Personal Public Vehicle – ein urbanes Fahrzeugkonzept für die „Shared Mobility“ der Zukunft T2 - Karosseriebautage Hamburg 2018, 16. ATZ-Fachtagung N2 - Die urbane Mobilität ist im Wandel und insbesondere neue innovative Geschäftsmodelle werden einen wesentlichen Teil zur Lösung von künftigen Mobilitätsbedürfnissen beitragen. Die sogenannte „Shared Mobility“ gilt aktuell neben der Elektrifizierung des Antriebes und autonomem Fahrzeugtechnologien als einer der wichtigsten Trendthemen in der Automobilindustrie. Neue Mobilitätsdienstleistungen verlangen dabei verstärkt auch neue Fahrzeugkonzepte. Y1 - 2018 U6 - http://dx.doi.org/10.1007/978-3-658-22038-9_13 SP - 189 EP - 199 PB - Springer Vieweg CY - Wiesbaden ER - TY - CHAP A1 - Röth, Thilo A1 - Kampker, Achim A1 - Reisgen, Uwe A1 - Hameyer, Kay A1 - De Doncker, R. W. T1 - Entwicklung von elektrofahrzeugspezifischen Systemen T2 - Elektromobilität : Grundlagen einer Zukunftstechnologie N2 - Die Fahrzeugkarosserie bildet als größte funktionale und organisatorische Systemeinheit ein zentrales Kompetenzfeld der OEMs. Für den Fahrzeughersteller stellt der Karosserierohbau eine hohe Kernkompetenz sowohl in der Produktentwicklung als auch in der Produktion dar. Neue, innovative Karosseriebauweisen, bspw. aufgrund eines neuen Fahrzeugkonzeptes oder neuer Anforderungen, bedeuten für den OEM auch gleichzeitig die intensive Auseinandersetzung mit Kompetenzfokussierung bzw. Wertschöpfungsverlagerungen. Y1 - 2013 SN - 978-3-642-31986-0 SP - 235 EP - 336 PB - Springer CY - Berlin ER - TY - CHAP A1 - Röth, Thilo A1 - Deutskens, Christoph A1 - Kreisköther, Kai A1 - Heimes, Heiner Hans A1 - Schittny, Bastian A1 - Ivanescu, Sebastian A1 - Kleine Büning, Max A1 - Reinders, Christian A1 - Wessels, Saskia A1 - Haunreiter, Andreas A1 - Reisgen, Uwe A1 - Thiele, Regina A1 - Hameyer, Kay A1 - Doncker, Rik W. de A1 - Sauer, Uwe A1 - Hoek, Hauke van A1 - Hübner, Mareike A1 - Hennen, Martin A1 - Stolze, Thilo A1 - Vetter, Andreas A1 - Hagedorn, Jürgen A1 - Müller, Dirk A1 - Rewitz, Kai A1 - Wesseling, Mark A1 - Flieger, Björn T1 - Entwicklung von elektrofahrzeugspezifischen Systemen T2 - Elektromobilität N2 - Die Batterie ist eine der absolut zentralen Komponenten des Elektrofahrzeugs. Die serielle Entwicklung und Produktion dieser Batterien und die Verbesserung der Leistungen wird entscheidend für den Erfolg der Elektromobilität sein. Die Batterie ist jedoch nicht das einzige elektrofahrzeugspezifische System, das neu entwickelt, umkonzipiert oder verbessert werden muss. So sind ebenso die Entwicklung der neuen Fahrzeugstruktur sowie des elektrifizierten Antriebsstranges Teil dieses Kapitels. Weiterhin wird ein Blick auf das bedeutende Thema des Thermomanagements geworfen. Y1 - 2018 SN - 978-3-662-53137-2 U6 - http://dx.doi.org/10.1007/978-3-662-53137-2_6 SP - 279 EP - 386 PB - Springer Vieweg CY - Berlin, Heidelberg ER - TY - CHAP A1 - Reimer, Lars A1 - Wellmer, Georg A1 - Braun, Carsten A1 - Ballmann, Josef T1 - Computational methods for aero-structural analysis and optimisation of aircrafts based on reduced-order structural models T2 - MEGADESIGN and MegaOpt - German initiatives for aerodynamic simulation and optimization in aircraft design. Results of the closing symposium of the MEGADESIGN and MegaOpt projects, Braunschweig, Germany, 23 - 24 May, 2007 / Norbert Kroll ... (Eds.) Notes on numerical fluid mechanics and multidisciplinary design. Vol. 107 N2 - In this part of the MEGADESIGN project, aeroelastic effects are introduced into the aerodynamic analysis of aircrafts by coupling DLR’s flow solvers TAU and FLOWer to a Timoshenko-beam solver. The emerging aeroelastic solvers and a method for the automatic identification of Timoshenko-beam models for wing-box structures were integrated into a simulation environment enabling the combined optimisation of aerodynamic wing shape and structure. Y1 - 2009 SN - 978-3-642-04092-4 SP - 135 EP - 150 PB - Springer CY - Berlin ER - TY - CHAP A1 - Reimer, Lars A1 - Braun, Carsten A1 - Wellmer, Georg A1 - Behr, Marek A1 - Ballmann, Josef T1 - Development of a modular method for computational aero-structural analysis of aircraft T2 - Summary of flow modulation and fluid-structure interaction findings. Results of the Collaborative Research Center SFB 401 at the RWTH Aachen University, Aachen, Germany, 1997-2008 / ed.: Wolfgang Schröder. Notes on numerical fluid mechanics and multidisciplinary design. Vol. 109 Y1 - 2010 SN - 978-3-642-04087-0 SP - 205 EP - 238 PB - Springer CY - Berlin ER - TY - CHAP A1 - Reimer, Lars A1 - Braun, Carsten A1 - Ballmann, Josef T1 - Computational study of the aeroelastic equilibrium configuration of a swept wind tunnel wing model in subsonic flow T2 - High performance computing in science and engineering '06. Transactions of the High Performance Computing Center Stuttgart (HLRS) 2006 / Wolfgang E. Nagel ... Eds. N2 - In the Collaborative Research Center SFB 401 at RWTH Aachen University, the numerical aeroelastic method SOFIA for direct numerical aeroelastic simulation is being progressively developed. Numerical results obtained by applying SOFIA were compared with measured data of static and dynamic aeroelastic wind tunnel tests for an elastic swept wing in subsonic flow. Y1 - 2007 SN - 978-3-540-36165-7 SP - 421 EP - 434 PB - Springer CY - Berlin [u.a.] ER - TY - CHAP A1 - Pielen, Michael A1 - Röth, Thilo A1 - Flatten, T. ED - Proff, H. T1 - Erfolgsfaktoren künftiger Geschäftsmodelle von urbanen, geteilten Mobilitätsdienstleistungen T2 - Mobilität und digitale Transformation. (9. Wissenschaftsforum Mobilität. Tagungsband) N2 - Digitalisierung bezeichnet die Nutzung großer Datenmengen, die zu einer umfassenden Vernetzung aller Bereiche der Wirtschaft und Gesellschaft führen wird (BMWi, 2015 und ähnlich Köhler/Wollschläger, 2014: 79). Sie umfasst die Erhebung von analogen Informationen („Big Data“ in einem engen Sinne; z.B. O´Leary, 2013), ihre Speicherung in einem digitaltechnischen System (lokale Speicherung oder „Cloud Computing“ durch die Weiterentwickelung des Internets; z.B. Hashem et al., 2015: 101), die Analyse und Interpretation sowie den Transfer in andere Systeme („Internet der Dinge“ bzw. „Internet of Things“; z.B. Ashton, 2009). Y1 - 2018 SN - 978-3-658-20779-3 U6 - http://dx.doi.org/10.1007/978-3-658-20779-3_2 SP - 435 EP - 448 PB - Springer Gabler CY - Wiesbaden ER - TY - CHAP A1 - Mertens, Josef A1 - Becker, K. ED - Ballmann, Josef T1 - Numerical solution of flow equations : an aircraft designer's view T2 - Nonlinear hyperbolic equations - theory, computation methods, and applications : proceedings of the 2nd International Conference on Nonlinear Hyperbolic Problems, Aachen, FRG, March 14 to 18, 1988. - (Notes on Numerical Fluid Mechanics ; 24) N2 - Today the most accurate and cost effective industrial codes used in aircraft design are based on the full potential equation coupled with boundary layer equations. However, these are not capable to solve complicated three-dimensional problems of vortical flows and shocks. On the other hand Euler and Navier-Stokes codes are too expensive and not accurate enough for design purposes, especially in regard of drag and interference prediction. The reasons for these deficiencies are investigated and a way to overcome them by future developments is demonstrated. Y1 - 1989 SN - 3-528-08098-1 U6 - http://dx.doi.org/10.1007/978-3-322-87869-4_41 N1 - International Conference on Nonlinear Hyperbolic Problems <3, 1988, Aachen> SP - 403 EP - 412 PB - Vieweg CY - Braunschweig ER - TY - CHAP A1 - Mertens, Josef ED - Sobieczky, H. T1 - Aerodynamic multi point design challenge T2 - New design concepts for high speed air transport.- (Courses and lectures / International Centre for Mechanical Sciences ; 366) N2 - In the chapter “Son of Concorde, a Technology Challenge” one of the new challenges for a Supersonic Commercial Transport (SCT) is multi-point design for the four main design points: - supersonic cruise - transonic cruise - take-off and landing - transonic acceleration. KW - Drag Reduction KW - Pitching Moment KW - Leading Edge Vortex KW - Wave Drag KW - Variable Geometry Y1 - 1997 SN - 3-2118-2815-X U6 - http://dx.doi.org/10.1007/978-3-7091-2658-5_4 SP - 53 EP - 67 PB - Springer CY - Wien [u.a.] ER - TY - CHAP A1 - Mertens, Josef ED - Sobieczky, H. T1 - Required aerodynamic technologies T2 - New design concepts for high speed air transport. - (Courses and lectures / International Centre for Mechanical Sciences ; 366) N2 - In the preceeding chapters on “Son of Concorde, a Technology Challenge” and “Aerodynamic Multipoint Design Challenge” it was explained, that a well balanced contribution of new technologies in all major disciplines is required for realisation of a new Supersonic Commercial Transport (SCT). One of these technologies - usually one of the most important for aircraft-is aerodynamics. Here, the required “pure” aerodynamic technologies are specified in more detail, according to our present knowledge. Increasing insight into the problems may change the balance of importance of the individual technologies and may require some more contributions. We must never confine our knowledge to the knowledge base of an expert at a given time, but must stay open for new insights. KW - Mach Number KW - Wind Tunnel KW - Supersonic Flow KW - Pitching Moment KW - Wave Drag Y1 - 1997 SN - 3-2118-2815-X U6 - http://dx.doi.org/10.1007/978-3-7091-2658-5_5 SP - 69 EP - 96 PB - Springer CY - Wien [u.a.] ER - TY - CHAP A1 - Mertens, Josef ED - Sobieczky, H. T1 - Certification of supersonic civil transports T2 - New design concepts for high speed air transport. - (Courses and lectures / International Centre for Mechanical Sciences ; 366) N2 - Since certification of Concorde new certification standards were introduced including many new regulations to improve flight safety. Most of these standards are to prevent severe accidents in the future which happened in the past (here: after Concorde’s certification). A new SCT has to fulfill these standards, although Concorde had none of these accidents. But accidents - although they sometimes occurred only for a specific aircraft type - have to be avoided for any (new) aircraft. Because of existing aircraft without typical accident types having demonstrated their reliability, they are allowed to go on based on their old certification; although sometimes new rules prevent accident types which are not connected to specific aircraft types - like e.g. evacuation rules. Anyway, Concorde is allowed to fly based on its old certification, and hopefully in the future will fly as safely as in the past. But a new SCT has to fulfill updated rules like any other aircraft, and it has to be “just another aircraft” [75]. KW - Noise Exposure KW - Evacuation Rule KW - Severe Accident KW - Certification Rule KW - Thermal Fatigue Testing Y1 - 1997 SN - 3-2118-2815-X U6 - http://dx.doi.org/10.1007/978-3-7091-2658-5_6 SP - 97 EP - 103 PB - Springer CY - Wien [u.a.] ER - TY - CHAP A1 - Mertens, Josef ED - Sobieczky, H. T1 - Supersonic laminar flow T2 - New design concepts for high speed air transport. - (Courses and lectures / International Centre for Mechanical Sciences ; 366) N2 - Supersonic transports are very drag sensitive. Technology to reduce drag by application of laminar flow, therefore, will be important; it is a prerequisite to achieve very long range capability. In earlier studies it was assumed that SCTs would only become possible by application of laminar flow [376]. But today, we request an SCT to be viable without application of laminar flow in order to maintain its competitiveness when laminar flow becomes available for subsonic and supersonic transports. By reducing fuel burned, laminar flow drag reduction reduces size and weight of the aircraft, or increases range capability -whereas otherwise size and weight would grow towards infinity. Transition mechanisms from laminar to turbulent state of the boundary layer flow (ALT, CFI, TSI) function as for transonic transports, but at more severe conditions: higher sweep angles, cooled surfaces; higher mode instabilities (HMI) must at least be taken into account, although they may not become important below Mach 3. Hitherto there is a worldwide lack of ground test facilities to investigate TSI at the expected cruise Mach numbers between 1.6 and 2.4; in Stuttgart, Germany one such facility -a Ludwieg tube- is still in the validation phase. A quiet Ludwieg tunnel could be a favourable choice for Europe. But it will require a new approach in designing aircraft which includes improved theoretical predictions, usage of classical wind tunnels for turbulent flow and flight tests for validation. KW - Wind Tunnel KW - Flight Test KW - Supersonic Wind Tunnel KW - Parabolized Stability Equation Y1 - 1997 SN - 3-2118-2815-X U6 - http://dx.doi.org/10.1007/978-3-7091-2658-5_18 SP - 275 EP - 290 PB - Springer CY - Wien [u.a.] ER - TY - CHAP A1 - Mertens, Josef ED - Sobieczky, H. T1 - Son of Concorde, a technology challenge T2 - New design concepts for high speed air transport. - (Courses and lectures / International Centre for Mechanical Sciences ; 366) N2 - Concorde (Figure 9) is the only supersonic airliner which has been introduced into regular passenger service. It is still in service at British Airways and Air France without any flight accidents, and probably will stay in service for at least for ten more years. KW - Technology Challenge KW - Multidisciplinary Design Optimization KW - Specific Fuel Consumption KW - Engine Efficiency KW - Sonic Boom Y1 - 1997 SN - 3-2118-2815-X U6 - http://dx.doi.org/10.1007/978-3-7091-2658-5_3 SP - 31 EP - 51 PB - Springer CY - Wien [u.a.] ER - TY - CHAP A1 - Mertens, Josef T1 - Reduction of aerodynamic drag (RaWid)-Status after the first year of the program T2 - New results in numerical and experimental fluid mechanics. - (Notes on numerical fluid mechanics ; 60) N2 - The technology programme “Reduction of aerodynamic drag (RaWid)” for high speed aerodynamics at Daimler-Benz Aerospace Airbus is sponsered by the German ministry for education, research and technology since July 1, 1995. Connected to this industrial programme are the cooperation programmes “MEGAFLOW” under leadership of the DLR and “Transition” by the DFG, and several contributions by DLR and universities. The programme is oriented towards technologies required for a MEGALINER which gains momentum by the ambitious plans for a new large Airbus A3XX. In the first year new technological steps were undertaken in theory, design and experiment. Some critical steps were verified by wing designs checked in wind tunnel tests. KW - Wind Tunnel KW - Aerodynamic Drag KW - Flight Test KW - Friction Drag Y1 - 1997 SN - 3-528-06960-0 U6 - http://dx.doi.org/10.1007/978-3-322-86573-1_2 SP - 7 EP - 14 PB - Vieweg CY - Braunschweig [u.a.] ER - TY - CHAP A1 - McInnes, Colin R. A1 - Bothmer, Volker A1 - Dachwald, Bernd A1 - Geppert, Ulrich R. M. E. A1 - Heiligers, Jeannette A1 - Hilgers, Alan A1 - Johnson, Les A1 - Macdonald, Malcolm A1 - Reinhard, Ruedeger A1 - Seboldt, Wolfgang A1 - Spietz, Peter T1 - Gossamer roadmap technology reference study for a Sub-L1 Space Weather Mission T2 - Advances in solar sailing N2 - A technology reference study for a displaced Lagrange point space weather mission is presented. The mission builds on previous concepts, but adopts a strong micro-spacecraft philosophy to deliver a low mass platform and payload which can be accommodated on the DLR/ESA Gossamer-3 technology demonstration mission. A direct escape from Geostationary Transfer Orbit is assumed with the sail deployed after the escape burn. The use of a miniaturized, low mass platform and payload then allows the Gossamer-3 solar sail to potentially double the warning time of space weather events. The mission profile and mass budgets will be presented to achieve these ambitious goals. Y1 - 2014 SN - 978-3-642-34906-5 (Print) ; 978-3-642-34907-2 (E-Book) SP - 227 EP - 242 PB - Springer CY - Berlin [u.a.] ER - TY - CHAP A1 - Macdonald, Malcolm A1 - McGrath, C. A1 - Appourchaux, T. A1 - Dachwald, Bernd A1 - Finsterle, W. A1 - Gizon, L. A1 - Liewer, P. C. A1 - McInnes, Colin R. A1 - Mengali, G. A1 - Seboldt, W. A1 - Sekii, T. A1 - Solanki, S. K. A1 - Velli, M. A1 - Wimmer-Schweingruber, R. F. A1 - Spietz, Peter A1 - Reinhard, Ruedeger ED - Macdonald, Malcolm T1 - Gossamer roadmap technology reference study for a solar polar mission T2 - Advances in solar sailing N2 - A technology reference study for a solar polar mission is presented. The study uses novel analytical methods to quantify the mission design space including the required sail performance to achieve a given solar polar observation angle within a given timeframe and thus to derive mass allocations for the remaining spacecraft sub-systems, that is excluding the solar sail sub-system. A parametric, bottom-up, system mass budget analysis is then used to establish the required sail technology to deliver a range of science payloads, and to establish where such payloads can be delivered to within a given timeframe. It is found that a solar polar mission requires a solar sail of side-length 100–125 m to deliver a ‘sufficient value’ minimum science payload, and that a 2.5 μm sail film substrate is typically required, however the design is much less sensitive to the boom specific mass. Y1 - 2014 SN - 978-3-642-34906-5 U6 - http://dx.doi.org/10.1007/978-3-642-34907-2_17 SP - 243 EP - 257 PB - Springer CY - Berlin, Heidelberg ER - TY - CHAP A1 - Janser, Frank T1 - Zukunftssicherung im Mittelstand - Kooperation zwischen der Stacke Tresorbau GmbH und der Fachhochschule Aachen T2 - Innovation durch Kooperation : wie der Mittelstand durch Zusammenarbeit mit den Hochschulen seine Wettbewerbsfähigkeit steigert : Festschrift für Prof. Dr. rer. nat. Johannes Gartzen / Thomas Gartzen, Ute Gartzen (Hrsg.) Y1 - 2013 SN - 978-3-86359-136-6 SP - 179 EP - 183 PB - Apprimus Verlag CY - Aachen ER - TY - CHAP A1 - Hirsch, G. A1 - Wahle, Michael T1 - Auslegungskriterien für Dynamische Schwingungsdämpfer für schwach gedämpfte elastische Strukturen unter Berücksichtigung einer der Masseverteilung nicht proportionalen Zusatzdämpfung T2 - Hans Ebner : Gedächtnis-Kolloquium am 27./28. Oktober 1977 in Aachen. - (Mitteilung aus dem Institut für Leichtbau, Aachen ; 1) Y1 - 1978 SP - 374 EP - 400 CY - Aachen ER -