1–20 von 53 Ergebnissen
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    High-voltage and power integrated circuits: switch topology, application and technology

    Williams, R.K. | Tema Archiv | 1990
    The author reviews the technology, applications, and voltage requirements for three of the most common power switch-load topologies, namely ...
    Schlagwörter: VOLTAGE REQUIREMENTS , HIGH-SIDE SWITCH

    Technical challenges of high-voltage power supplies for a modern beam index CRT electronic display

    Cooper, J. | Tema Archiv | 1996
    The introduction of the beam index cathode ray tube (CRT) as an airborne pilot display unit imposes tight performance requirements on the ...

    Focus on current topics in Air Force high-power microwave (HPM) research

    Agee, F.J. / Gaudet, J.A. / Prather, W.D. | Tema Archiv | 2001
    , but many of the technical improvements being sought for improved materials, high voltage breakdown mitigation, and advanced design techniques ...
    Schlagwörter: USA (United States of America)

    Development of high-temperature polyimide adhesives for a high speed civil transport: an OEM perspective

    Pate, K.D. / Cao, Tuan-Q. | Tema Archiv | 1998
    High Speed Civil Transport (HSCT) structural design concepts under consideration rely on structural bonding with polyimide adhesives to ...
    Verlag: Society for the Advancement of Material and Process Engineering (SAMPE) , Covina

    High temperature structural foam

    Weiser, E.S. / Bailiff, F.F. / Grimsley, B.W. et al. | Tema Archiv | 1998
    capable of retaining its strength over a wide range of environmental conditions. The High Speed Research Program has a need for low density core ...
    Verlag: Society for the Advancement of Material and Process Engineering (SAMPE) , Covina

    Thermoelectric applications as related to biomedical engineering for NASA Johnson Space Center

    Kramer, C.D. | Tema Archiv | 1997
    enhancements that would be most beneficial to the application of thermoelectric technology. A great deal of thermoelectric applications have focused on ...

    Effect of molecular weight on the composite properties of cured phenylethynyl terminated imide oligomers

    Smith, J.G. jun. / Connell, J.W. / Hergenrother, P.M. | Tema Archiv | 1998
    As part of a program to develop high temperature/high performance structural resins for aeronautical applications, imide oligomers ...
    Verlag: Society for the Advancement of Material and Process Engineering (SAMPE) , Covina

    High temperature polyimide foams for aerospace vehicles

    Weiser, E.S. / Johnson, T.F. / St. Clair, T.L. et al. | Tema Archiv | 1999
    Due to a demand by the aerospace industry, NASA has begun developing the next generation of polyimide foams which will be utilized to ...
    Verlag: Society for the Advancement of Material and Process Engineering (SAMPE) , Covina

    Plasma sprayed ultra high purity alumina based thermal control coatings

    Reed, C.K. / Wright, J. / Carlin, P. | Tema Archiv | 1998
    /zirconia/yttria. Solar absorptance values of approximately 0.12 were predicted and produced in the follow on Taguchi experiment for a coating ...
    Verlag: Society for the Advancement of Material and Process Engineering (SAMPE) , Covina

    Partial discharge diagnostics on 3.3 kV, 1.2 kA IGBT modules

    Petrarca, C. / Cascone, B. / Fratelli, L. et al. | Tema Archiv | 1999
    employment in high reliability demanding applications, like railway traction. In the present paper, in order to investigate on the long-term ...
    Verlag: Institution of Electrical Engineers (IEE) , London

    On-line characterization of impacts on electrical train current collectors using integrated optical fiber grating sensor network

    Ecke, W. / Schroeder, K. / Kautz, M. et al. | Tema Archiv | 2005
    measures value and position of both con-tact forces and impacts under real-time conditions, immediately at the high voltage location of the ...

    Discharge characteristics of polymer films irradiated by electron beam

    Ishii, M. / Tsumura, E. / Hoja, Y. et al. | Tema Archiv | 1989
    Electrostatic charging and arc discharge on thin films of spacecraft dielectric materials are simulated in a laboratory by irradiating a ...

    Vibration suppression of scale model of railway carbody with piezoelectric elements: a study focused on designing shunt circuits

    Takigami, T. / Tomioka, T. | Tema Archiv | 2005
    , a part of which is virtually realized. The circuits are designed for practical use under the condition of high voltage generated by the ...

    Demonstration of enabling technology for the manufacture of large composite cryogenic tanks

    Brown, T. / Barber, H. | Tema Archiv | 1998
    . The need for a high performance-to-weight ratio, relatively large size, and thin laminate provide a unique combination of requirements that ...
    Verlag: Society for the Advancement of Material and Process Engineering (SAMPE) , Covina

    UV-visible sensors based on polymorphous silicon

    Guedj, C.S. / Roca i Cabarrocas, P. / Massoni, N. et al. | Tema Archiv | 2003
    . The monolithic integration of UV, visible and infrared detectors on the same uncooled CMOS smart system would therefore represent a major ...

    Affordable approaches to the production of complex aerospace composite components via resin transfer molding

    DeCillis, J.R. / Caputo, C.D. | Tema Archiv | 1998
    The introduction of resin transfer molding (RTM) within the high performance aerospace segment has increased the demand for developing ...
    Verlag: Society for the Advancement of Material and Process Engineering (SAMPE) , Covina

    Evaluation and selection of replacement thermal control materials for the Hubble Space Telescope

    Townsend, J.A. / Hansen, P.A. / McClendon, M.W. et al. | Tema Archiv | 1998
    The mechanical and optical properties of the metallized Teflon FEP thermal control materials on the Hubble Space Telescope (HST) have ...
    Verlag: Society for the Advancement of Material and Process Engineering (SAMPE) , Covina

    Regenerative operation of the NASA symmetrical support solid oxide fuel cell

    Cable, T.L. / Setlock, J.A. / Farmer, S.C. | Tema Archiv | 2008
    evaluated reversibly and the electrochemical voltage efficiency (fcVh) calculated, the ratio of generated fuel cell power to the required ...

    The development and application of a standardized LED source

    Tucker, M. / Tessnow, T. / Albright, K. et al. | Tema Archiv | 2003
    advantages include extremely long life, low power consumption, unique styling possibilities, and high efficiency at a low voltage DC technology ...

    Determination of long term distribution of stress ranges for fatigue reliability analysis of a TLP designed for Campos Basin

    Bardanachvili, C.A. / Lima, E.C.P. de / Sagrilo, L.V.S. et al. | Tema Archiv | 1997
    The tension leg platform (TLP) is a type of structural system for exploitation of oil and gas fields below sea floor and must be designed ...