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Saturday, July 18, 2020 | History

3 edition of Numerical study of shock-induced combustion in methane-air mixtures found in the catalog.

Numerical study of shock-induced combustion in methane-air mixtures

Numerical study of shock-induced combustion in methane-air mixtures

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  • 37 Currently reading

Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC, Springfield, Va .
Written in English

    Subjects:
  • Heat -- Transmission.,
  • Fluid mechanics.

  • Edition Notes

    Other titlesNumerical study of shock induced ....
    StatementShaye Yungster and Martin J. Rabinowitz.
    SeriesNASA technical memorandum -- 106354, ICOMP -- no. 93-32
    ContributionsRabinowitz, Martin J., 1931-., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL17110111M

    Abstract. Existing chemical reactors are approaching their technological limits. In order to make more significant progress in the energy efficiency of bulk chemical production processes, a radical shift in technology is needed.\ud The research was aimed at gaining some fundamental insight in the operation of the Pulsed Compression Reactor (PCR) in general, as well as the specific application Author: Timo Roestenberg. This banner text can have markup.. web; books; video; audio; software; images; Toggle navigation.

    Three-dimensional direct numerical simulation of turbulent combustion of hydrogen-air mixtures in a synthetic turbulent field. Russian Journal of Physical Chemistry B, , Vol. 13, No. 4, pp. – (DOI: /S) (eng.). isymposia and sessions on PDEs in combustion-related conferences are becoming very popular. Several reviews have been already presented at various meetings (e.g., [1—11]) and published in archival journals [12—14]. During the period from to , the U.S. Office of Naval Research (ON R).

    Proceedings of the 14th International Conference on Numerical Combustion, April , San Antonio, Texas, USA, SIAM. A. Fancello, R.J.M. Bastiaans, and L.P.H. de . Wang, Y. and Trouve, A. (), "Artificial acoustic stiffness reduction in fully compressible, direct numerical simulation of combustion," Combust. Theory Modelling, Wang, Y. and Rutland, C. J. (), "Effects of temperature and equivalence ratio on the ignition of n-heptane fuel droplets in turbulent flow," Proc. Combust.


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Numerical study of shock-induced combustion in methane-air mixtures Download PDF EPUB FB2

Get this from a library. Numerical study of shock-induced combustion in methane-air mixtures. [Shaye Yungster; Martin J Rabinowitz; United States. National Aeronautics and Space Administration.]. Numerical study of the laminar flame propagation in ethane-air mixtures.

Numerical study of the laminar ame. shock-induced combustion for several fuel. A shock tube is an ideal reactor for the study of chemical kinetics (auto-ignition characteristics of gas mixtures, flame velocity) due to its gas-dynamic simplicity behind reflected shock tubes create a high-temperature and high-pressure environment that ideally exhibits homogeneous, adiabatic, constant-volume, stagnant gas conditions for the reacting by: The shock-induced combustion of methane-air mixtures in hypersonic flows is investigated using a new reaction mechanism consisting of 19 reacting species and 52 elementary reactions.

A numerical study is conducted to simulate the shock-induced combustion in premixed H 2-air mixtures. Two types of bodies, blunt (spherical projectile) and sharp (wedge), are considered in the study.

A nine-species, step finite-rate H 2-air chemical reaction mechanism coupled with the Navier-Stokes equations is solved.

The flow field over Cited by: Detonation structures generated by wedge‐induced, oblique shocks in hydrogen–oxygen–nitrogen mixtures were investigated by time‐dependent numerical Cited by: Close Drawer Menu Close Drawer Menu Menu.

Home; Journals. AIAA Journal; Journal of Aerospace Information Systems; Journal of Air Transportation; Journal of Aircraft; Journal of. Combustion is a fascinating phenomenon coupling complex chemistry to transport mechanisms and nonlinear fluid dynamics. This book provides an up-to-date and comprehensive presentation of the nonlinear dynamics of combustion waves and other non-equilibrium energetic by: The experiments of shock-induced ignition of stoichiometric methane/air mixture were conducted on a shock tube platform.

The reaction zone structure in weak and strong ignition cases were investigated by digital chemiluminescence imaging and planar laser induced fluorescence (PLIF) by: 5. The combustion behavior of such blends can be understood by studying the auto ignition properties in fundamental combustion experiments.

Studies of the ignition of such blends are very limited in the literature. In this work, the auto ignition of methane and bio alcohol fuel blends is investigated using a shock tube : Xuan Zheng, Shirin Jouzdani, Benjamin Akih-Kumgeh.

Antonio C.A. Lipardi, Philippe Versailles, Graeme M.G. Watson, Gilles Bourque and Jeffrey M. Bergthorson, Experimental and numerical study on NO x formation in CH 4 –air mixtures diluted with exhaust gas components, Combustion and Flame,(), ().Cited by: Experimental Investigation of H 2-Air Mixtures in a Rotating Detonation Combustion chambers, Explosions, Fuels, Waves, Orifices, Nozzles, Air flow, Pressure, Annulus, Combustion.

Numerical Study of Flow Through 3x3 Multiswirler Arrays With Co and Counter Swirler Arrangements Numerical Simulation of the Auto Ignition Process in. Abstract. The present chapter highlights the different steps which lead to a better understanding of the dynamics of the flow in order to predict the performance of a ram accelerator in the thermally choked propulsive mode which operates in the sub-detonative velocity regime; i.e., below the Chapman-Jouguet (C-J) detonation speed of the by: 1.

Fischer and X. Jiang, A chemical kinetic modelling study of the combustion of CH 4 –CO–H 2 –CO 2 fuel mixtures, Combustion and Flame,(), (). CrossrefCited by: () A Numerical Study on Hypergolic Combustion of Hydrazine Sprays in Nitrogen Tetroxide Streams.

Combustion Science and Technology() Convective and Radiative Wall Heat Transfer in Liquid Rocket Thrust by: This thesis focuses on the study of natural gas combustion under engine relevant conditions. The work begins with the development of a detailed chemical kinetic mechanism that represents the ignition characteristics of methane with various minor additives over a wider range of operating conditions than previously existing mechanisms.

The mechanism includes a NOx submechanism selected from the Cited by: 9. J.B. Bell, M.S. Day, V.E. Beckner, A.L. Kuhl, P. Neuwald and H. Reichenbach, "Simulations of Shock-Induced Mixing and Combustion of an Acetylene Cloud in a Chamber", 18th International Colloquium on the Dynamics of Explosions and Reactive Systems, July August 3, () Numerical study on initiation of oblique detonations in hydrogen–air mixtures with various equivalence ratios.

Aerospace Science and Technol () Parallel On-the-fly Adaptive Kinetics for Non-equilibrium Plasma Discharges of C 2 H 4 /O 2 /Ar by: These include complex transport and chemical kinetics, compressible turbulence and mixing, flow recirculation, shock-induced combustion, thermal choking, and near-wall burning.

A brief summary of these phenomena is given in Sections – andbeginning with a general formulation for later use in the by: BALIGA, B.R. Conference Proceedings. Kattoura, S., Lamoureux, A., and Baliga, B.R., “A Control-Volume Finite Element Method for the Prediction of Three-Dimensional.

Heavy-duty natural gas engines offer air pollution and energy diversity benefits. However, current homogeneous-charge lean-burn engines suffer from impaired efficiency and high unburned fuel emissions. Natural gas direct-injection engines offer the potential of diesel-like efficiencies, but require further research.

To improve understanding of the autoignition and emission characteristics of Cited by: 6.Coal is the fuel most able to cover world deficiencies in oil and natural gas. This motivates the development of new and more effective technologies for coal conversion into other fuels.

Such technologies are focused on coal gasification with production of syngas or gaseous hydrocarbon fuels, as well as on direct coal liquefaction with production of liquid : N.A. Slavinskaya, U. Riedel, V.E. Messerle, A.B. Ustimenko.in Hydrogen-Air and Methane-Air Mixtures," Eighteenth Sympo-sium (International) on combustion, pp.Hiramatsu, K., Fujiwara, T., and Taki, S., "A Computational Study of Transmission of Gaseous Detonations to Unconfined Space," presented at .