121–140 von 1,837 Ergebnissen
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    Approach to the Weight Estimation in the Conceptual Design of Hybrid-Electric-Powered Unconventional Regional Aircraft

    Freier Zugriff
    Francesco Centracchio / Monica Rossetti / Umberto Iemma | DOAJ | 2018
    technologies, and alternative propulsion systems. The BWB is one of the most promising layouts in terms of noise emissions and chemical pollution. The ...

    A practical quantification of longitudinal slippage of robot platform wheels traversing on solid balls based uneven terrain

    Shafaei, S.M. / Mousazadeh, H. | Elsevier | 2021
    Research is spearhead for slippage of robot wheels traversing on an uneven terrain ...

    A procedure to optimize ship side structures for crashworthiness

    Ehlers, S | SAGE Publications | 2010
    This paper presents a procedure to optimize a conceptual ship side structure from a crashworthiness point of view. As an example, this ...

    A pulsed T-burner technique.

    BAER, A. D. | AIAA | 1968
    Verlag: The American Institute of Aeronautics and Astronautics

    A quasi-one-dimensional treatment of chemical reactions in turbulent wakes of hypersonic objects

    HAYES, J. E. / LIN, S. C. | AIAA | 1964
    Verlag: The American Institute of Aeronautics and Astronautics

    Aqueous solution of ammonia as marine fuel

    Schönborn, Alessandro | SAGE Publications | 2021
    The ignition of ammonia in aqueous solution was simulated in a two-stroke compression ignition engine model. Zero-dimensional chemical ...

    Arc-jet propulsion for attitude and orbit control of MORL

    tobias, I.I. / Kosson, R.L. | Engineering Index Backfile | 1965
    ; by comparison, stored-chemical propulsion system with specific impulse of 300 sec has mass of 11,790 lb maximum; this represents launch mass ...

    Arcjet Testing and Thermal Model Development for Multilayer Felt Reusable Surface Insulation

    Milos, Frank S. / Scott, Carl D. / Del Papa, Steven V. | AIAA | 2014

    Felt reusable surface insulation was used extensively on leeward external surfaces of the shuttle Orbiter, where the material is

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Equilibrium

    Arc-Jet Testing of a Variable-Transpiration-Cooled and Uncoated Carbon–Carbon Nose Cone

    Gulli, S. / Maddalena, L. | AIAA | 2018

    The last decade has witnessed a considerable effort in the development of materials and structures for reusable thermal protection

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Equilibrium

    A release of nitrogen oxides in Bogalusa, Lousiana and similarities of causation to the Bhopal MIC release

    Fthenakis, V.M. | Tema Archiv | 2001
    ample warnings about a dangerous situation. Failure to consider the hazards posed by a chemical used in the plant for 30 years, coupled with ...
    Schlagwörter: USA (United States of America)

    Are Self-Replicating Machines Feasible?

    Ellery, Alex | AIAA | 2016

    Recent developments in three-dimensional printing technology have introduced the prospect of self-replication in the context of robotic

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Propulsion

    A review of heat transfer issues in hydrogen storage technologies

    Zhang, Jinsong / Fisher, Timothy S. / Veeraraghavan Ramachandran, P. et al. | Tema Archiv | 2005
    . Considered are compressed hydrogen, liquid hydrogen, metal hydrides, and chemical hydrides. For compressed hydrogen storage, efficient heat transfer ...

    Argon 4s and 4p Excited States Atomic Data Applied in ARC-JET Modeling

    Freier Zugriff
    K. Katsonis / Ch. Berenguer / A. Kaminska et al. | DOAJ | 2011
    explicitly introduced in the chemical processes included in a fluid Navier-Stokes type code, allowing for evaluation of the spectroscopically ...

    Artificial neural network for modeling nitrate pollution of groundwater in marginal area of Zayandeh-rood River, Isfahan, Iran

    Ostad-Ali-Askari, Kaveh / Shayannejad, Mohammad / Ghorbanizadeh-Kharazi, Hossein | Springer Verlag | 2016
    Abstract Excessive use of chemical fertilizers, especially nitrogen fertilizers to increase crop and improper ...
    Verlag: Korean Society of Civil Engineers , Seoul

    A simplified model for natural-gas vehicle catalysts with honeycomb and foam substrates

    Tsinoglou, D N / Eggenschwiler, P Dimopoulos / Thurnheer, T et al. | SAGE Publications | 2009
    A mathematical model is developed for the simulation of the chemical and transport phenomena in three-way catalysts for natural-gas ...

      A simplified model for natural-gas vehicle catalysts with honeycomb and foam substrates

      Tsinoglou, D.N. / Dimopoulos Eggenschwiler, P. / Thurnheer, T. et al. | Tema Archiv | 2009
      A mathematical model is developed for the simulation of the chemical and transport phenomena in three-way catalysts for natural-gas ...

    A simplified technique for evaluating vibrational and/or chemical relaxation behind shock waves.

    ADAMS, D. M. | AIAA | 1967
    Verlag: The American Institute of Aeronautics and Astronautics

    Aspects of Functional Analysis of Mitigated Wetlands Receiving Highway Runoff

    Yu, Shaw L. / Earles, T. Andrew / Fitch, G. Michael | Transportation Research Record | 1998
    common requirement of these federal storm water management provisions and state storm water regulations is the use of best-management practices ...

    Assessing Program-Level Objectives of Space Exploration Architectures Using Portfolio-Optimization Methods

    O’Neill, William J. / Delaurentis, Daniel A. | AIAA | 2021

    The large number and significant variety of systems available for space exploration missions produce countless potential architecture

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Space Propulsion , Chemical Rocket Propulsion

    ASSESSING THE ENVIRONMENTAL IMPACT OF ROADWAY’S CONSTRUCTION ON ADJACENT WATER RESOURCES: A CASE STUDY OF THE SOUTHERN PART OF ALBANIA

    Freier Zugriff
    Blerina BEQAJ | DOAJ | 2022
    southern part of Albania, on physic-chemical parameters of surface water by collecting water samples from Skotini stream. The analysed parameters ...
    Verlag: Silesian University of Technology
    Schlagwörter: physic-chemical parameters