1–50 von 58 Ergebnissen
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    Fundamental studies to improve the performance of aerospace alloys

    Thompson, G.E. / Skeldon, P. / Shimizu, K. et al. | Tema Archiv | 2002
    Consideration is given to the role of alloying elements in aluminium and alloy fabrication on performance during surface treatment and ...

    Methodical approach to the analysis of on-board electrical system architectures fundamental research into the future provision of electrical energy in commercial vehicles

    Oberfell, Ralf / Gast, Stefan / Schwarzhaupt, Andreas et al. | Tema Archiv | 2010
    development of a regenerative braking system in an on-board electrical system as an example, this paper outlines a procedure with which energy paths ...

    Investigation on the design of bonded structures for increased damage tolerance

    Meneghin, Ivan / Pacchione, Marco / Vermeer, Pascal | Tema Archiv | 2009
    A careful choice of the reinforcement materials and their design is fundamental to achieve an effective design solution for fuselage ...

    The effect of rubber contact on the fretting fatigue strength of railway wheel tire

    Kubota, Masanobu / Hirakawa, Kenji | Tema Archiv | 2009
    The cause of the ICE train derailment, which occurred in 1998 at Eschede, was fatigue failure originating on the inside of the wheel tire ...

    In-Flight and Wind Tunnel Investigalions of Instabilities on a Laminar Wing Glove

    Peltzer, I. / Nitsche, W. | Tema Archiv | 2006
    -wire array together with several independent point sources for the controlled experiments were used. Depending on the excitation case, typical ...

    Using chemiluminescence as sensitive detector of early stages weathering effects on car coatings to shorten weathering tests

    Wachtendorf, Volker / Geburtig, Anja | Tema Archiv | 2005
    confronted with a growing, even more fundamental questioning of the law of reciprocity in weathering at all. A successfully practised way out often ...

    Development of High Precision Test Masses for the MICROSCOPE Space Project

    Hagedorn, Daniel / Heyne, Heinz Peter / Metschke, Stephan et al. | Tema Archiv | 2014
    Schlagwörter: fundamental physics

    The recent development of advanced automobile steel sheets and long products

    Weng, Yuping / Dong, Han / Gan, Yong | Tema Archiv | 2009
    fundamental research. It is worthy to take more and more efforts on automotive steels to be of high performance in the near future. ...

    Impacts and waves in Dyneema HB80 strips and laminates

    Chocron, S. / King, N. / Bigger, R. et al. | Tema Archiv | 2013
    Single-yarn impact results have been reported by multiple authors in the past, providing insight on the fundamental physics involved in ...

    Experimental investigations of momentum and heat transfer in pulse detonation engines

    Kasahara, J. / Takazawa, K. / Arai, T. et al. | Tema Archiv | 2002
    has been confirmed, few experimental reports have been based on a fundamental cyclic theory. In the present paper, we apply the Endo-Fujiwara ...

    Technical development and commercialization of high quality steels for automotive applications at United States Steel Corporation

    Hyland, R.W. jun. / Becker, J.J. / Hoydick, D.P. et al. | Tema Archiv | 2009
    technology support services. Highlighted examples of our strategic commitment to advanced automotive steel technology will focus on product and ...

    Dynamic PIV measurement of a compressible flow from airbag inflator housing

    Jang, Young Gil / Kim, Seok / Kim, Chang Soo et al. | Tema Archiv | 2006
    air bag system is the most fundamental and effective device. Beside of the front air bag system which installed on most of all automobiles, a ...

    Venting of deflagrations: hydrocarbon-air and hydrogen-air systems

    Molkov, V. / Dobashi, R. / Suzuki, M. et al. | Tema Archiv | 2000
    hydrogen-air mixtures. New data were obtained on flame stretch for vented deflagrations. The fundamental Le Chatelier-Brown principle analog for ...
    Schlagwörter: Symposium

    Analysis of the fault tolerance of a switched reluctance machine with distributed inverter

    Hennen, Martin / Boesing, Matthias / Doncker, Rik W. De | Tema Archiv | 2012
    damages. It is obvious that this limit strongly influences the maximum available torque after a fault. Due to the lack of an excitation source on ...

    Experimental determination of energy release rate of CRFP structures by means of transverse crack tension tests

    Llopart Prieto, L. / Spenninger, G. / Wagner, H. | Tema Archiv | 2009
    development of damages by means of delamination under static loading, which will help on opening the floodgates to the next generation of sizing ...

    Prediction of LED junction temperatures with CFD for Headlamp Application

    Kikuchi, Kazushige / Hamashima, Yoshihiko / Kobayashi, Yasuke | Tema Archiv | 2005
    junction temperature on a tip under a phosphor is a fundamental challenge for controlling the LED. Although heatsinks serve as basic and reasonable ...

    Vehicle of the future: the role of the new generation of high strength steel grades

    Fuganti, Antonio | Tema Archiv | 2006
    ) according to two timetables: 140 and 120 g CO2 per km for 2008 and 2012, respectively, measured as an average value on the entire OEM fleet. In ...

    Surge power units - a kinetic energy solution

    Ellis, C. | Tema Archiv | 1997
    The fundamental requirements for surge power units in hybrid electric vehicles are reviewed. PowerBeam is a kinetic energy storage device ...

    Acoustical analysis aimed at the characterisation of an active noise control system inside a van and the improvement of its performance

    Lopez, A. / Salinas, A. / Ramos, P. et al. | Tema Archiv | 2002
    defined by a fundamental frequency. All the predominant components are an integer multiple of this value. When the reference is taken with a ...

    RCS - Numerical, methodological and conceptional aspects for the analysis of radar distorting objects

    Greving, Gerhard / Biermann, Wolf-Dieter / Mundt, Rolf | Tema Archiv | 2009
    scattering parameter. It is shown in this paper that the RCS does not exist for the WT being installed on the ground due to fundamental reasons ...

    Eye movement behaviour of car drivers

    Diem, Carsten | Tema Archiv | 2005
    of earlier studies on eye movement behaviour of car drivers, the paper describes some fundamental research on eye movement behaviour of car ...

    Numerical model of supercooled water freezing

    Criscione, A. / Tukovic, Z. / Kintea, D. et al. | Tema Archiv | 2012
    an aircraft under all weather conditions. Hence, understanding the freezing process of super-cooled water is a problem of fundamental ...

    Thermal behavior and mission profile simulations for bending light

    Dari, Alain | Tema Archiv | 2005
    tool based on digital data of cartography. This simulation described in the paper made possible to calculate the duty cycle of the actuator in ...

    Niobium microalloyed automotive sheet steel - a cost effective solution to the challenges of modern body engineering

    Mohrbacher, Hardy | Tema Archiv | 2006
    steels. The fundamental effect of niobium is that of grain refinement increasing the strength without deteriorating the ductility. This mechanism ...

    Mechanical properties of laser-welded sheet aluminium

    Banas, G. / Lawrence, F.V. / Wang, P.C. | Tema Archiv | 1998
    application significantly reduces vehicles weight, and consequently its fuel consumption. This paper presents some results of a study on laser ...

    A new technique for determining the micro-scale abrasion resistance of automotive clearcoats

    Trezona, R.I. / Hutchings, I.M. / Ramamurthy, A.C. | Tema Archiv | 1997
    between the durabilities of the clearcoats and their fundamental mechanical properties has been investigated, and correlations found between their ...

    Crash resistance and strength of high performance composite light vehicle substructures

    Kindervater, C.M. | Tema Archiv | 1994
    composite materials and generic structural elements is presented. Based on this fundamental knowledge a design philosophy for composite structural ...

    Strategies to control wheel profile wear

    Frohling, R. | Tema Archiv | 2003
    wear. An understanding of the fundamental influences on wheel profile wear is essential as uncontrolled high wear rates do not only increase ...

    Improvement of car body outer skin properties using new sheet metal forming technologies

    Vlahovic, Dejan / Liewald, Mathias | Tema Archiv | 2007
    and short process cycle times. Within fundamental research series, the new technology was examined and new estimation methods based on ...

    A robust depth and speed control system for a low-speed undersea vehicle

    Ruth, M.J. / Humphreys, D.E. | Tema Archiv | 1990
    treat the fundamental issues of stability, performance requirements, and model variation within a single unified framework. The mu -synthesis ...

    Passengers, seats and carbody in rail vehicle dynamics

    Carlbom, P. / Berg, M. | Tema Archiv | 2003
    previously presented models of passenger-carbody interaction to include vertical seating dynamics. The proposed basic model is based on experimental ...

    Time Accurate Simulation of Turbulent Nozzle Flow by the DLR TAU-Code

    Lüdeke, H. / Filimon, A. | Tema Archiv | 2006
    Fundamental requirements for future launcher technologies are a cost-efficient access to space as well as the improvement of safety and ...

    A simulation study of an E85 engine APU for a series hybrid electric vehicle

    Canova, M. / Midlam-Mohler, S. / Rizzoni, G. et al. | Tema Archiv | 2009
    gasoline fuel and then adapted to the properties of E85. The predictive nature of the simulation model, based on the fundamental physics of in ...

    Mass production process for ceramic valves

    Pattimore, J. / Dewitte, C. / Nishio, A. | Tema Archiv | 1994
    chemical resistance. The making of prototypes and small production of ceramic valves has enabled the fundamental properties and advantages gained ...

    Numerical and experimental evaluation of extreme wheel-rail loads for improved wheelset design

    Alfi, S. / Braghin, F. / Bruni, S. | Tema Archiv | 2008
    The knowledge of extreme loads is of fundamental importance for the fatigue design of railway wheelsets. In the present research, attention ...

    Cutting-in vehicle recognition for ACC systems- towards feasible situation analysis methodologies

    Dagli, I. / Breuel, G. / Schittenhelm, H. et al. | Tema Archiv | 2004
    base on fundamental theories. On the other hand, little effort has been taken to assess the feasibility of these approaches in the context of ...

    Modelling advanced mobility management infrastructure

    Breckle, H. / Levi, P. | Tema Archiv | 1998
    entirely on its underlying infrastructure. It is only possible to offer mobility services to the customer in a satisfactory, efficient and reliable ...

    Center for Digital Vehicle Development (CDVD) - An interdisciplinary approach to vehicle R&D

    Kuthada, Timo / Krantz, Werner / Wittmeier, Felix et al. | Tema Archiv | 2009
    gap and providing a platform for projects on method development and validation. To increase the speed with which these efforts progress ...

    Modular battery management system for lithium ion batteries for plug-in hybrid vehicles

    Czarkowski, Ulrich | Tema Archiv | 2008
    battery status. The detection and the monitoring of status data on the basis of measured values is the main task of the battery management, apart ...

    Experimental and Numerical Investigation of Transonic Bump Flow

    Huang, J.C. / Barakos, G. / Benard, E. et al. | Tema Archiv | 2010
    undertaken looking at the details of the flow and the capability of CFD in predicting such complex, yet fundamental, aerodynamic interactions. The ...

    Development of new stretch-forming technologies for car body outer skin panels

    Vlahovic, Dejan / Liewald, Mathias | Tema Archiv | 2008
    literature on stretch-forming methods do not apply to the production of car body panels in terms of quality and cost requirements. State of the art ...

    Wear effects and mechanisms of soot-contaminated automotive lubricants

    Green, D.A. / Lewis, R. / Dwyer-Joyce, R.S. | Tema Archiv | 2006
    engine valve train contact. Previous research on this topic has been mainly performed from a chemical point of view in fundamental studies, with ...

    Stable running of diesel engines at very low ambient temperatures

    Grütering, Ulrich F. / Graf, Markus / Pischinger, Stefan | Tema Archiv | 2008
    conditions the compression end temperature and pressure is very low, which has a strongly negative effect on the evaporation and self-ignition ...

    Modelling and simulation of lithium ion batteries for hybrid and electric vehicles

    Caselitz, Peter | Tema Archiv | 2010
    such as Saber or Simplorer. Based on Iset-Lab software, the new software Iset-Lib for the simulation of lithium ion batteries has been ...

    Integrated transportation and environmental planning

    Kaule, G. | Tema Archiv | 2002
    In an end of pipe system, environmental planning has to mitigate the impacts of infrastructure construction. To reach fundamental ...

    Propagation of perturbances generated in classic track, and track with Y-type sleepers

    Bajer, C. / Bogacz, R. | Tema Archiv | 2005
    fundamental difference between the track with classic (equally spaced) and Y-shaped sleepers is related to local longitudinal symmetric or ...

    Application and characterization of high modulus-graphite/epoxy (HM-GR/EP) for high stiffness aircraft structural components - The benefits and shortcomings

    Bruno, J.W. | Tema Archiv | 2001
    spread application on aircraft structures, because in addition to low weight, aircraft structures must also be durable, damage tolerant, and have ...

    The importance of testing for successful life usage monitoring systems

    Broede, J. / Pfoertner, H. / Richter, K. | Tema Archiv | 1998
    Life usage monitoring systems contain two areas of fundamental interest for validation, namely the correct functionality of the life usage ...

    Conceptual design of self-optimizing mechatronic systems

    Gausemeier, Jürgen / Donoth, Jörg / Pook, Sebastian et al. | Tema Archiv | 2008
    solution describes the fundamental structure and the mode of action of the system. The principle solution is developed in the early design phase ...