1–20 von 1,869 Ergebnissen
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    Ocean hydrogen for launch operations

    Woodbridge, T.C. / Woodbridge, D.D. | Tema Archiv | 1996
    The goal of hydrogen research is to ultimately reduce the cost of its production, which for the electrolysis process is the cost of the ...

    Tracked vehicle operations on sand - Investigations at model scale

    Hetherington, J.G. | Tema Archiv | 2005
    The paper describes experiments carried out on a one-tenth scale model of the running gear of a main battle tank. The model comprises an ...

    Synthesis of thermal effects in misaligned hydrodynamic journal bearings

    Medwell, J.O. / Gethin, D.T. | Tema Archiv | 1986

    Analysis of finite magnetohydrodynamic journal bearings

    Malik, M. / Singh, D.V. | Tema Archiv | 1980

    Hydrodynamic Winch for Salvage Operations

    Rosenberg, E. | Tema Archiv | 1972

    Multibody modeling of engage and disengage operations of helicopter rotors

    Bottasso, C.L. / Bauchau, O.A. | Tema Archiv | 2001
    This paper deals with the modeling of the engage and disengage operations of a helicopter rotor during which blades can come in ...

    Medical aspects of airline operations. I. Health and Hygiene

    Harding, R.M. / Mills, F.J. | Tema Archiv | 1983

    The influence of aircraft operations on air quality at airports

    Segal, H. / Yamartino, R. | Tema Archiv | 1981
    Emission standards for aircraft engines were promulgated in 1973 after it was determined that these engines were significant sources of ...

    Jet aircraft operations: impact on the air environment

    George, R.E. / Nevitt, J.S. / Verssen, J.A. | Tema Archiv | 1972

    Predicting crack growth and risks of rail breaks due to wheel flat impacts in heavy haul operations

    Sandström, J. / Ekberg, A. | Tema Archiv | 2009
    The risk for rail breaks is investigated from mechanical and statistical points of view with particular focus on the influence of impact ...

    Tire footprint characteristics as a function of soil properties and tire operations

    Ronai, D. / Shmulevich, I. | Tema Archiv | 1995
    The main objective of the following presentation is to examine the possibility of predicting agricultural tire footprint parameters under ...

    Design of a high-altitude long-endurance solar-powered unmanned air vehicle for multi-payload and operations

    Romeo, G. / Frulla, G. / Cestino, E. | Tema Archiv | 2007
    Several researches are being carried out at the Politecnico di Torino with the aim of designing a high altitude very-long endurance ...

    Estimate of contribution of Jet aircraft operations to trace element concentration at or near airports

    Fordyce, J.S. / Sheibley, D.W. | Tema Archiv | 1975
    Samples of ASTM type A jet fuel were analyzed for trace element content by instrumental neutron activation techniques. Forty-nine elements ...

    An experimental investigation on performance, emissions, and combustion in a manifold injection for different exhaust gas recirculation flowrates in hydrogen-diesel dual-fuel operations

    Saravanan, N. / Nagarajan, G. | Tema Archiv | 2008
    cylinder. The injection timing and the injection duration of hydrogen were optimized on the basis of performance and emissions. Best results were ...

    Roll-out of hydrogen fueling stations in Spain through a procedure based on data envelopment analysis

    Brey, J.J. / Brey, R. / Contreras, I. et al. | Tema Archiv | 2014
    commercialization requires efficient roll-out of hydrogen fueling stations, with prior identification of the areas most suitable for their establishment ...
    Schlagwörter: Operations Research

    Analysis of a hydrogen station roll-out strategy to introduce hydrogen vehicles in Andalusia

    Brey, J.J. / Carazo, A.F. / Brey, R. | Tema Archiv | 2014
    The issue of the distribution of a sufficient infrastructure of hydrogen fueling stations to enable meeting of the initial demand and to ...
    Schlagwörter: Operations Research

    Ignited releases of liquid hydrogen: Safety considerations of thermal and overpressure effects

    Hall, J.E. / Hooker, P. / Willoughby, D. | Tema Archiv | 2014
    number of tanker offloading operations significantly and these may need to be performed in close proximity to the general public. The aim of this ...

    Assessment of lifetime of railway axle

    Yasniy, O. / Lapusta, Y. / Pyndus, Y. et al. | Tema Archiv | 2013
    Main laws of influence of stress ratio on fatigue crack growth rate in the material of railway axles were revealed and statistical ...

    Numerical Calculation of Effect of Elastic Deformation on Aerodynamic Characteristics of a Rocket

    Abbas, Laith K. / Chen, Dongyang / Rui, Xiaoting et al. | Tema Archiv | 2014
    The application and workflow of Computational Fluid Dynamics (CFD)/Computational Structure Dynamics (CSD) on solving the static aeroelastic ...