1–50 von 435 Ergebnissen
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    3 nu/sub 3/ band of C-13H4

    Pugh, L. A. / Owen, T. / Rao, K. N. | NTRS | 1974

    Ablation Analyses of Optimized Nose Tips for Hypersonic Vehicles

    Onay, Oğuz K. / Eyi, Sinan | AIAA | 2019
    –Stokes and finite-rate chemical reaction equations are solved implicitly using Newton’s method. A gradient-based method is implemented for ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Ablative Materials' Boundary Condition Simulation by Applying Inverse Approach and Euler Solver

    Molavi, Hosein / Pourshaban, Iraj / Hakkaki-Fard, Ali et al. | AIAA | 2012
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Equilibrium

    Absolute Measurements of Air Shock-Layer Radiation in the T6 Aluminium Shock Tube

    Collen, Peter L. / Glenn, Alex B. / Doherty, Luke J. et al. | AIAA | 2023

    This paper presents the first experimental measurements of shock-layer radiation from a new high-enthalpy ground-test facility: the T6

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

    Accelerated aging versus realistic aging in aerospace composite materials. I. The chemistry of thermal aging in a low-temperature-cure epoxy composite

    Dao, B. / Hodgkin, J. / Krstina, J. et al. | Tema Archiv | 2006
    , 120 C, 170 C, and 200 C (in air) and the changes to the chemical and physicochemical structure of the composite are analyzed by a range of ...

    Accounting for laminar run and trip drag in supersonic cruise performance testing

    Goodsell, Aga M. / Kennelly, Robert A. jun. | Tema Archiv | 2004
    visualization using a subliming chemical revealed that the boundary-layer trip was not consistently effective. Flow over a portion of the upper wing ...

    A Chemosorption Vacuum Pump for a Chemical Oxygen Iodine Laser with CO2 Buffer Gases

    Jia, S. / Li, Q. / Jin, Y. et al. | British Library Online Contents | 2017

    A comparison of tailpipe, dilution tunnel, and wind tunnel data in measuring motor vehicle PM

    Maricq, M.M. / Chase, R.E. / Xu, N. | Tema Archiv | 2001
    Comparison between particle size distributions recorded directly at the tailpipes of both diesel and gasoline vehicles and measurements ...

    A Composite Optical Waveguide-Based Polarimetric Interferometer for Chemical and Biological Sensing Applications

    Qi, Z. / Itoh, K. / Murabayashi, M. et al. | British Library Online Contents | 2000
    Verlag: IEEE INSTITUTE OF ELECTRICAL AND ELECTRONICS

    Acoustic gas detection

    Tema Archiv | 2000
    A new detection system that uses sound rather than optical or chemical properties to determine the presence of escaping gas is described ...

    Advanced Models for Vibrational and Chemical Kinetics Applied to Mars Entry Aerothermodynamics

    Armenise, Iole / Reynier, Philippe / Kustova, Elena | AIAA | 2015

    The paper presents a comparative study of vibrational-chemical kinetics and heat transfer in carbon dioxide flows under Mars entry

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

    Aerothermodynamic Assessment of Spiked Configuration for Drag Reduction at Hypersonic Speeds

    Kumar, Shailendra / Kulkarni, Vinayak / Jammy, Satya Pramod | ASCE | 2020
    reduction effectiveness. In-house perfect gas and chemical nonequilibrium solvers were utilized. The analysis revealed that flow separation and ...
    Verlag: American Society of Civil Engineers

    A fundamental tribochemical study of the third body layer formed during automotive friction braking

    Wirth, A. / Eggleston, D. / Whitaker, R. | Tema Archiv | 1994
    The chemical nature of the transfer film (TF) or third body layer (TBL) formed at the friction interface during automotive friction braking ...

    A gas handling system for MOMBE growth

    Hersee, S.D. / Ballingall, J.M. | Tema Archiv | 1990
    Describes the operating principles and performance of a gas handling system, which was designed specifically for the metalorganic molecular ...

    Aging effect on thermal, mechanical and tribological behaviour of polymeric coatings used for pipeline application

    Guermazi, N. / Elleuch, K. / Ayedi, H.F. et al. | Tema Archiv | 2008
    physico-chemical, mechanical and tribological properties of this coating was undertaken. Firstly, sorption kinetic was studied through water ...

    All-Fiber Acoustooptic Phase Modulators Using Chemical Vapor Deposition Zinc Oxide Films

    Koch, M. H. / Janos, M. / Lamb, R. N. et al. | British Library Online Contents | 1998
    Verlag: IEEE INSTITUTE OF ELECTRICAL AND ELECTRONICS

    Aluminothermic preparation of Hf-Ta and Nb-10Hf-1Ti alloys and their characterization

    Sharma, I.G. / Majumdar, S. / Chakraborty, S.P. et al. | Tema Archiv | 2003
    -reduction of the oxides of individual components. In the adopted process the heat generated from the chemical reactions, serves the function of ...

    Ambient cure high solids acrylic resins for automotive refinish clear coat applications

    Petit, H. / Henry, N. / Krebs, A. et al. | Tema Archiv | 2001
    fast at ambient temperature in order to reduce the investment in drying equipment and the time of repair. However, matching the stringent ...

    Amine type inhibitor effect on corrosion-erosion wear in oil gas pipes

    Martinez, D. / Gonzalez, R. / Montemayor, K. et al. | Tema Archiv | 2009
    . Combined parameters like fluid flow regime and chemical composition of the wall deposited products increase oil gas pipes wearing. Corrosion ...

    A modern analytical toolbox: defect (W&D) studies of automotive coating systems, including depth profiling studies

    Adamsons, Karlis | Tema Archiv | 2012
    Chemical and microscopy measurement technologies have proven to be very powerful in our failure analysis efforts to detail composition and ...

    An alpha particle experiment for chemical analysis of the Martian surface and atmosphere.

    Economou, T. E. / Turkevich, A. L. / Patterson, J. H. | NTRS | 1973
    provide a chemical analysis of the Martian surface and atmosphere. Analyses of rocks of known and unknown compositions have been made under ...

    Analysis of Chemical Nonequilibrium and Elemental Demixing in Plasmatron Facility

    Marco Panesi / Pietro Rini / G. Degrez et al. | AIAA | 2007
    Verlag: The American Institute of Aeronautics and Astronautics

    Analysis of Segmented Arc-Heater Flows with High Argon Concentration

    Lee, Jeong-Il / Han, Sang-Hoon / Kim, Chongam et al. | AIAA | 2008
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Equilibrium

    Analysis of Shock Deceleration Effects in the NASA Electric Arc Shock Tube

    Collen, Peter L. / Di Mare, Luca / McGilvray, Matthew et al. | AIAA | 2023

    Complex processes related to nonequilibrium thermochemistry and radiation are a fundamental aspect of atmospheric entry flowfields

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

    Analysis of the JAXA Nonequilibrium Infrared Emission Spectra for Mars Entry Conditions

    Pannier, Erwan / Laux, Christophe O. | AIAA | 2019

    Nonequilibrium infrared emission spectra representative of a Mars atmospheric entry mission are modeled using RADIS, a spectral code for

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

    Analysis of the mass transfer controlled regime in automotive catalytic converters

    Santos, H. / Costa, M. | Tema Archiv | 2008
    This article concentrates on the analysis of the mass transfer controlled regime in automotive catalytic converters operating under real ...

    Analysis of wear debris in rolling contact fatigue cracks of pearlitic railway wheels

    Cvetkovski, K. / Ahlström, J. / Norell, M. et al. | Tema Archiv | 2014
    concentration of oxygen was measured in between flakes, indicating the presence of oxides and flakes being of similar chemical composition as the base ...

    Analytical Study for the Effects of Chemical Reaction and Mass Transfer on Free Convective Flow Past a Vertical Isothermal Cone Surface

    Odda, S. N | Online Contents | 2015
    AbstractAn analytical study is presented for the effects of chemical reaction and mass transfer on the free convective flow of a viscous ...

      Analytical Study for the Effects of Chemical Reaction and Mass Transfer on Free Convective Flow Past a Vertical Isothermal Cone Surface

      Odda, S. N | Online Contents | 2016
      AbstractAn analytical study is presented for the effects of chemical reaction and mass transfer on the free convective flow of a viscous ...

    Analytical Study for the Effects of Chemical Reaction and Mass Transfer on Free Convective Flow Past a Vertical Isothermal Cone Surface

    Seddeek, M. A. / Odda, S. N. / Abdelmeguid, M. S. | ASCE | 2015

    An analytical study is presented for the effects of chemical reaction and mass transfer on the free convective

     ...
    Verlag: American Society of Civil Engineers

    An analysis of dielectric properties of synthetic ballast water at frequencies ranging from 300 to 3000 MHz

    Boldor, Dorin / Ortego, Jeffrey / Rusch, Kelly A. | Tema Archiv | 2008
    operations (extremely large volumes of water, efficiency at destroying macro and micro organisms, environmental issues associated with chemical ...

    An Analysis of Parameters of an Oscillatory Chemical Reaction by Holography Methods Involving a Transient Reference Wave

    Borkova, V. N. / Kraiskii, A. V. / Zubov, V. A. | British Library Online Contents | 1998

    An analytical and experimental study of a hybrid rocket motor

    Rezaei, Hadi / Soltani, Mohammad Reza | Tema Archiv | 2014
    The hybrid rocket motor is a kind of chemical propulsion system that has been recently given serious attention by various industries and ...

    An availability approach to thermal energy recovery in vehicles

    Stobart, R.K. | Tema Archiv | 2007
    is examined and developed. Starting with a simple analysis of the chemical energy flow, a realistic heat exchange performance is introduced ...

    A new rotary tribometer to study the wear of reinforced rubber materials

    Mane, Z. / Loubet, J.L. / Guerret, C. et al. | Tema Archiv | 2013
    A rotary tribometer has been developed in order to reproduce abrasion wear at the interface between the reinforced rubber material of a ...

    An experimental investigation on mechanical fatigue property of chemical starch-based ER fluids

    Lee, H.G. / Choi, S.B. / Kim, J.H. et al. | Tema Archiv | 2002
    In this work, mechanical fatigue properties of a chemical starch-based ER fluid are empirically investigated. To do this, a flow-mode type ...

    An improved method for applying the Lockhart-Martinelli correlation to three-phase gas-llquid-solid horizontal pipeline flows

    Rahman, M.A. / Adane, K. Freeman / Sanders, R. Sean | Tema Archiv | 2013
    Three-phase (C/L/S) horizontal pipe flow data collected from the literature are used to evaluate the performance of a number of ...

    An overview of the polymer-to-metal direct-adhesion hybrid technologies for load-bearing automotive components

    Grujicic, M. / Sellappan, V. / Omar, M.A. et al. | Tema Archiv | 2008
    -scale polymer-to-metal mechanical interlocking; (b) in-coil or stamped-part pre-coating for enhanced adhesion; and (c) chemical modifications of ...

    Application of a capacitance sensor for monitoring water lubricated pipeline flows

    Rushd, Sayeed / Sanders, R.Sean | Tema Archiv | 2014
    lubricated by an enveloping water annulus. A major technical challenge for LPF is the flow instability caused by a fouling layer of viscous oil on ...

    Application of magnetoelastic technology of the measurement of stresses in rails for high-speed trains

    Xin, Qi / Ling, Hou Zhi / Long, Tian Jian | Tema Archiv | 2004
    is strongly dependent upon many characteristics, such as mechanical, physical, and chemical, of the material. Based on this effect, an ...

    Application of microwave spectroscopy for the detection of water fraction and water salinity in water/oil/gas pipe flow

    Bo, O.L. / Nyfors, E. | Tema Archiv | 2002
    Multiphase meters (MPMs) are used by the petroleum industry for measurement of individual flowrates of water, gas and oil flowing through a ...

    Application of Reflected Shock Wave Configuration to Validate Nonequilibrium Models of Reacting Air

    Gimelshein, Sergey F. / Streicher, Jesse W. / Krish, Ajay et al. | AIAA | 2022
    of high-temperature chemical reaction models. Computations have shown that the Bias reaction model is superior to the total collision energy ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Applying a Smart Technique for Accurate Determination of Flowing Oil-Water Pressure Gradient in Horizontal Pipelines

    Fazavi, Mohammad / Hosseini, Seyyed Mohsen / Arabloo, Milad et al. | Tema Archiv | 2014
    Two-phase flow of liquids in pipelines is crucial subject in many industries such as chemical and petroleum. Accurate prediction of ...

    A review of flaws and damage in space launch vehicles: Motors and engines

    Park, Gyuhae / Lee, Jung-Ryul / Park, Chan-Yik et al. | Tema Archiv | 2014
    , strong erosion, and high-density energy release. Mechanical and chemical complexity, long service lives, aging materials, and designs with small ...

    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 ...

    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 ...

    Aspect Ratio Effects on the Noncracking and Cracking Heat Transfer in Microchannels

    Gao, Mingyu / Guo, Jiang / Pei, Xinyan et al. | AIAA | 2021

    In cooling microchannels of advanced flight engines, the fuel temperature rapidly increases to facilitate endothermic cracking reactions

     ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Assessment of chemical nonequilibrium for massively ablating graphite.

    Lincoln, K. A. / Howe, J. T. / Liu, T.-M. | NTRS | 1973
    Several types of artificial graphite have been irradiated by laser pulses in vacuum, and the composition of the resulting vapor cloud has ...

    Assessment of Classical Impulsive Models of Dissociation in Thermochemical Nonequilibrium

    Luo, Han / Alexeenko, Alina A. / Macheret, Sergey O. | AIAA | 2018

    In strong shock waves in rarefied gases, chemical processes such as dissociation and exchange reactions occur in conditions of

     ...
    Verlag: The American Institute of Aeronautics and Astronautics