1–50 von 1,833 Ergebnissen
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    1-D transient emission analysis of LPG engine catalytic converter with secondary air injection during cold start period of CVS-75 mode

    Yun, J. E. | Springer Verlag | 2013
    emissions were analyzed using the simulation model with 7-step global surface chemical reactions of the Langmuir-Hinshelwood type. From the ...
    Verlag: The Korean Society of Automotive Engineers , Heidelberg

      1-D transient emission analysis of LPG engine catalytic converter with secondary air injection during cold start period of CVS-75 mode

      Yun, J. E. | Online Contents | 2013
      simulation model with 7-step global surface chemical reactions of the Langmuir-Hinshelwood type. From the simulated results, we found that a 29% HC ...
      Verlag: The Korean Society of Automotive Engineers , KSAE , Sŏul

    3D simulation study on the influence of lubricant oil droplets on pre-ignition in turbocharged DISI engines

    Huang, Yongcheng / Li, Yaoting / Zhang, Wenjia et al. | SAGE Publications | 2018
    A skeletal chemical kinetic model for the simulation of auto-ignition and flame propagation characteristics of primary reference fuel (PRF ...
    Schlagwörter: Skeletal chemical kinetic model

    Ablation Model Based on Porous Charring Layer Under Alumina Erosion Condition

    Liu, Yang / Li, Xiao-Cong / Li, Jiang et al. | AIAA | 2019
    model more complex. The chemical vapor deposition and thermal chemical ablation processes of pyrolysis gas and fuel gas in the porous structure ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Vapor Deposition

    Ablation Predictions for Carbonaceous Materials Using Two Databases for Species Thermodynamics

    Milos, F. S. / Chen, Y.-K. | AIAA | 2013
    chemical equilibrium with applications model predicts a range of recession that is consistent with measurements for both heatshield cores. ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Equilibrium

    About the interaction between composition and performance of alternative jet fuels

    Braun-Unkhoff, Marina / Kathrotia, Trupti / Rauch, Bastian et al. | Springer Verlag | 2015
    ; however, the amount and type of hydrocarbons (chemical family) differ considerably. The question is how the composition of the fuel will affect ...

      About the interaction between composition and performance of alternative jet fuels

      Braun-Unkhoff, Marina / Kathrotia, Trupti / Rauch, Bastian et al. | Online Contents | 2015
      hydrocarbons (chemical family) differ considerably. The question is how the composition of the fuel will affect its suitability and performance: (i ...

    Absolute rate constant measurements for the radiative combination ofatomic oxygen with nitric oxide

    HILL, K. D. / KINEYKO, W. R. | AIAA | 1971
    Verlag: The American Institute of Aeronautics and Astronautics

    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 characteristic study and optimization of in-cylinder configuration for particulate matters reduction in an off-highway diesel engine with mechanical fuel injection system

    Lee, Jongyoon / Lee, Sangyul / Park, Jeongkeun et al. | SAGE Publications | 2017
    ) model is employed for spray breakup and a reduced chemical mechanism for n-heptane is employed to simulate ignition delay and combustion of ...

    A chemical kinetic modelling study of the mechanism of soot reduction by oxygenated additives in diesel engines

    Nag, P. / Song, K.-H. / Litzinger, T. A. et al. | British Library Online Contents | 2001

    A chemically informed, control-oriented model of a three-way catalytic converter

    Soumelidis, M I / Stobart, R K / Jackson, R A | SAGE Publications | 2007
    Chemical activity inside a three-way catalytic converter (TWC) is highly complex and usually is not taken into account when developing TWC ...
    Schlagwörter: chemical modelling

    A chemically informed, control-oriented model of a three-way catalytic converter

    Soumelldis, M.I. / Stobart, R.K. / Jackson, R.A. | Tema Archiv | 2007
    Chemical activity inside a three-way catalytic converter (TWC) is highly complex and usually is not taken into account when developing TWC ...

    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 Combined Method For Determining The Contributing Factors To Chemical Spills In Port Areas During Maritime Dangerous Cargo Transport

    Freier Zugriff
    Özge Eski / Leyla Tavacioglu | DOAJ | 2022
    analysis method was applied to calculate the correlational degrees of contributing factors. Most chemical spills in port areas occur during cargo ...
    Schlagwörter: Chemical engineering

    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 comparison of the relative effects of fuel composition and ignition energy on the early stages of combustion in a natural gas spark ignition engine using simulation

    Yossefi, D / Belmont, M. R. / Ashcroft, S. J. et al. | SAGE Publications | 2000
    Spark ignition engines operating on natural gas (NG) show advantages over petrol and diesel alternatives in terms of precatalyst emissions ...

    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 ...

    Acoustic Response of Near-Equilibrium Diffusion Flames with Large Activation Energies

    Weiss, Adam D. / Sánchez, Antonio L. / Williams, Forman A. | AIAA | 2019

    The interaction of non-premixed flamelets with acoustic pressure waves of large characteristic wavelength, central to the development of

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

    Acoustic Suppression in a Pulsed Chemical Laser

    Darrell R. Amherman / Irwin E. Alber / Eric Baum | AIAA | 1979
    Verlag: The American Institute of Aeronautics and Astronautics

    Active Subspace Variation and Modeling Uncertainty in a Supersonic Flame Simulation

    Wang, Nana / Yang, Tianwei / Ren, Zhuyin | AIAA | 2021
    chemical kinetics, turbulence combustion models, and boundary conditions, as well as to investigate the evolution of key physiochemical process ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Adaptive fast nonsingular terminal sliding mode control of Lorentz-augmented spacecraft relative motion

    Huang, Xu / Yan, Ye / Zhou, Yang | SAGE Publications | 2016
    traditional chemical propulsion is proposed. Furthermore, the stability of the closed-loop control system is proved via a Lyapunov-based approach ...

    A decontamination system for chemical weapons agents using a liquid solution on a solid sorbent

    Waysbort, Daniel / McGarvey, David J. / Creasy, William R. et al. | Tema Archiv | 2009
    A decontamination system for chemical warfare agents was developed and tested that combines a liquid decontamination reagent solution with ...

    A diesel particulate filter regeneration model with a multi-step chemical reaction scheme

    Law, M C / Clarke, A / Garner, C P | SAGE Publications | 2005
    important to understand the fundamentals of the regeneration process. Previous soot oxidation regeneration models relied on tunable chemical kinetic ...
    Schlagwörter: chemical

    A direct injection diesel combustion model for use in transient condition analysis

    Cui, Y / Deng, K / Wu, J | SAGE Publications | 2001
    velocity distribution of fuel spray, zonal entrainment and the calculation of gas properties and chemical equilibrium compositions of combustion ...

    Adjustment of Regional Regression Equations for Urban Storm-Runoff Quality Using At-Site Data

    Barks, C. Shane | Transportation Research Record | 2019
    . The four adjustment procedures are a single-factor adjustment, a regression of the observed data against the predicted values, a regression of ...

    Advanced reactor concept for complex hydrides: Hydrogen desorption at fuel cell relevant boundary conditions

    Bürger, I. / Luetto, C. / Linder, M. | Tema Archiv | 2014
    capacities. As hydrogen is bonded by a chemical reaction to the solid state storage material, it is just released when heat is provided. In an ...

    Advanced treatment of recalcitrant textile wastewater and goal-oriented process design

    Han, Dukgyu / Kim, Moonil / Bae, Wookeun | Springer Verlag | 2013
    Abstract This study was intended to evaluate the performance of a biological and a chemical treatment process ...

    Advances in Computational Fluid Dynamics Methods for Hypersonic Flows

    Candler, Graham V. / Subbareddy, Pramod K. / Brock, Joseph M. | AIAA | 2014

    Over the past two decades or so, there have been many advances in the numerical simulation of hypersonic flows, with most effort focused

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

    Aerocapture Assessment for NASA Ice Giants Pre-Decadal Survey Mission Study

    Saikia, Sarag J. / Millane, James / Lu, Ye et al. | AIAA | 2021
    heat rate, total heat load, and the effect of postcapture orbit on the design parameters. Aerocapture mass benefit vs chemical capture is also ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Aerodynamic Analysis of an Entry Capsule at Titan in Transition Regime

    Zuppardi, Gennaro / Mongelluzzo, Giuseppe | AIAA | 2022
    DS3V for the solution of three-dimensional flowfields. The Titan atmosphere is a mixture of nitrogen, methane, and argon. The chemical model is ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Aerodynamic Design of Nozzles with Uniform Outflow for Hypervelocity Ground-Test Facilities

    Chan, Wilson Y. K. / Jacobs, Peter A. / Smart, Michael K. et al. | AIAA | 2018

    A method is proposed for the aerodynamic design of nozzles with uniform outflow for supersonic and hypersonic ground-test facilities

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

    Aero Engine Ceramics—the Vision, the Reality and the Progress

    Angus, J P | SAGE Publications | 1993
    advanced materials in the world today. It consists of two-dimensional woven and laminated silicon carbide fibres in a chemical vapour infiltrated ...

    Aerothermodynamic Analysis of High-Altitude Space Launcher with Direct-Simulation Monte Carlo Method

    Cimini, M. / Pizzarelli, M. / Bernardini, M. | AIAA | 2019
    adopted numerical approach, a comparison of different air models is presented to highlight the effect of chemical reactions and molecules ...
    Verlag: The American Institute of Aeronautics and Astronautics

    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

    Aerothermodynamics Behind a Blunt Body at Superorbital Speeds

    Park, Gisu / Gai, Sudhir L. / Neely, Andrew J. | AIAA | 2010
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Equilibrium

    A field test study of leaf contamination on railhead surfaces

    Zhu, Yi / Olofsson, Ulf / Nilsson, Rickard | SAGE Publications | 2014
    spectroscopy for chemical analysis and glow discharge optical emission spectrometry were conducted to determine the composition of the top layer of ...

    A finite-volume-based two-dimensional wall-flow diesel particulate filter regeneration model

    Law, M C / Clarke, A / Garner, C P et al. | SAGE Publications | 2008
    regeneration model with a multistep chemical reaction scheme is presented. The model solves the variable density, multicomponent conservation equations ...
    Schlagwörter: chemical reactions

    Afterburning Effects on Thermal Environment of Liquid Oxygen/Kerosene Rocket Under Low Altitudes

    Liang, Xiaoyang / Lu, Chenyu / Su, Yifei et al. | AIAA | 2022
    -ε turbulence model. Also, the nine-species and fourth-step chemical reactions are adopted to simulate ...
    Verlag: The American Institute of Aeronautics and Astronautics

    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 ...

    Aggregate Polishing Resistance Pre-Evaluation

    Crouch, L. K. / Shirley, Greg / Head, Gary et al. | Transportation Research Record | 1996
    and chemical or mineralogical methods are only able to identify clearly aggregates with a high probability of performing well. There is little ...

    Aging characterization of metals for exhaust systems

    Curà, F. / Mura, A. / Sesana, R. | Springer Verlag | 2012
    aging procedure has been developed. This procedure is composed of chemical, thermal and mechanical cycles, which are combined and repeated to ...
    Verlag: The Korean Society of Automotive Engineers , Heidelberg

      Aging characterization of metals for exhaust systems

      Curà, F. / Mura, A. / Sesana, R. | Online Contents | 2012
      . This procedure is composed of chemical, thermal and mechanical cycles, which are combined and repeated to simulate the actual operating ...
      Verlag: The Korean Society of Automotive Engineers , KSAE , Sŏul

    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 ...

    Airbags & airbag textiles

    Gotipamul, Rajanna L. / Pohane, Atul | Tema Archiv | 2013
    sensor is the device that tells the bag to inflate; and the airbag's inflation system uses the rapid pulse of hot nitrogen gas from the chemical ...

    Air-cooled engine development

    Lawrence, Charles L. | Engineering Index Backfile | 1922
    Describes British experiments to improve performance of air-cooled engines for aircraft, which lead eventually to development of aluminum ...
    Verlag: Society of Chemical Industry

    Aircraft crash fire fighting by helicopter

    Riehl, C.A. | Engineering Index Backfile | 1958
    Tests of helicopter utilizing fire fighting equipment and personnel, conducted with dry chemical and mechanical foam fire extinguishing ...