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Wednesday, July 8, 2020 | History

3 edition of Ignition of mixtures of SiH4, CH4, O2, and Ar or N2 behind reflected shock waves found in the catalog.

Ignition of mixtures of SiH4, CH4, O2, and Ar or N2 behind reflected shock waves

Ignition of mixtures of SiH4, CH4, O2, and Ar or N2 behind reflected shock waves

  • 234 Want to read
  • 31 Currently reading

Published by National Aeronautics and Space Administration, Scientific and Technical Information Branch, For sale by the National Technical Information Service,] in [Washington, D.C.], [Springfield, Va .
Written in English

    Subjects:
  • Airplanes -- Ramjet engines.,
  • Airplanes -- Motors -- Ignition.,
  • Shock waves.,
  • Methane.,
  • Silane.,
  • Argon.,
  • Oxygen.,
  • Nitrogen.,
  • Fuel combustion.,
  • Ignition.,
  • Methane.,
  • Reaction kinetics.,
  • Shock waves.,
  • Silanes.

  • Edition Notes

    StatementAllen G. McLain, Casimir Jachimowski, and R. Clayton Rogers.
    SeriesNASA technical paper -- 2415.
    ContributionsJachimowski, Casimir J., Rogers, R. Clayton., United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL16115006M

      This review confines itself to available information on gaseous detonations, including those in aerosols, clouds of flammable dusts and hybrid mixtures, from the standpoint of Shock Tube Techniques in Chemical Kinetics Shock Tube Techniques in Chemical Kinetics Michael, J V; Lim, K P Chemical kinetics research in shock tubes has been reviewed three times in this series (1 -3). The review by Bauer (1) was positive about the potential of shock tube kinetics measurements, but the review by Belford & Strehlow (2) was more guarded, no doubt

      The nanosecond discharge is initiated after the reflected shock wave. The ignition delay for PAC has been compared, experimentally and by means of numerical calculations, with the autoignition delay time for H 2: O 2 and CH 4: O 2 mixtures diluted with He, Ar or N :// The propellants enter the combustion chamber at K. Consider a fuel burning in inert airs and oxygen where the combustion requirement is only moles of oxygen. Order the following mixtures as to their adiabatic flame temperatures with the given fuel. a) pure O2 b) O2 N2 (air) c) O2 Ar d) O2 CO2

      The kinetics of ignition in C n H 2n +2O 2:Ar mixtures for n = 2 to 5 has been studied experimentally and numerically after a high-voltage nanosecond discharge [Kosarev et al, ]. The ignition delay time behind a reflected shock wave was measured with and without the :// The result is a lean book that covers core topics in depth, while still demonstrating the relevance and excitement of these topics. The best new books, in my opinion, are evolutionary— they take what is already there and make it better. Principles of Chemistry: A Molecular Approach is such a ://


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Ignition of mixtures of SiH4, CH4, O2, and Ar or N2 behind reflected shock waves Download PDF EPUB FB2

Get this from a library. Ignition of mixtures of SiH4, CH4, O2, and Ar or N2 behind reflected shock waves. [Allen G McLain; Casimir J Jachimowski; R Clayton Rogers; United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch.]   Reflected Shock Ignition of SiH4/H2/O2/Ar andSiH4/CH4/O2/Ar Mixtures.

Vibrational nonequilibrium and reaction heat effect in diluted hydrogen-oxygen mixtures behind reflected shock waves at N2-CH4-Ar Chemical Kinetic Model for Simulations of Atmospheric Entry to Reflected-shock ignition of SiH4/H-2/O-2/Ar and SiH4/CH4/O-2/Ar mixtures Article in Journal of Propulsion and Power 20(4) July with 20 Reads How we measure 'reads' Ignition delay time measurements were made O2 reflected shock waves at pressures of atm and atm and temperatures ranging from approximately K to K for two mixtures with Ignition times and OH radical concentration time histories were measured behind reflected shock waves in iso-octane/O2/Ar mixtures.

Initial reflected shock conditions were in the ranges to High-temperature experiments were performed behind reflected shock waves using SiH4, SiH4/O2, H2/O2, SiH4/H2/O2, CH4/O2, and SiH4/CH4/O2 mixtures highly diluted in ://   Shock tube evaluation on C2H4 self-ignition character among N2, Ar, He, CO2 diluent gases.

Effect of silane addition on acetylene ignition behind reflected shock waves. Proceedings of the Combustion Institute, Vol.

30, No. 2 A Shock-Tube Study of the Oxidation of C2H6/O2/AR and C2H6/SiH4/O2/AR ://   Silane has the potentiality as an ignition promoter in supersonic jet engines In this respect, the ignition delay times at higher temperatures were measured behind reflected shock waves.

Two SiH4 /H2 /OZ /Nz mixtures representing SiH4/OZ equivalence ratios of and were investigated at initial temperatures between K and K at A. Vlasov and I. Zhiltsova, A Study of the Chemiluminescence of СН*, ОН*, С2*, and СО2* During the Ignition of C2H2/O2/Ar Mixture Behind Reflected Shock Waves, 31st International Symposium on Shock Waves 1, /_17, (), ().

In this study, syngas combustion was investigated behind reflected shock waves in CO 2 bath gas to measure ignition delay times (IDT) and to probe the effects of CO 2 dilution. New syngas data were taken between pressures of – atm and temperatures of – ://   Stepanyan S A, Boumehdi M A, Vanhove G, Desgroux P, Starikovskaia S M and Popov N A Ignition of CH4:O2:Ar and n-C4H O2: Ar(N2) mixtures with initial temperatures between – K by a surface pulsed discharge Proc.

52nd AIAA Aerospace Sciences Meeting (National Harbor, MD, 13–17 January ) AIAA The chemiluminescent emission from CH*, C*2, OH*, and CO*2 during the self-ignition of various mixtures of ethane with oxygen and argon behind reflected shock waves in the – K   On the mechanism and explosion limits of hydrogen -oxygen chain self -ignition in shock waves.

Symp Combust – • [8] Meyer JW, Oppenheim A. On the shock -induced ignition of explosive gases. Symp Combust ;– • [9] Blumenthal R, Fieweger K, Komp K. Self-ignition of H2-air mixtures at high pressure and low Reflected Shock Ignition of SiH4/H2/O2/Ar andSiH4/CH4/O2/Ar Mixtures EL Petersen, DM Kalitan, MJA Rickard Journal of Propulsion and Power 20 (4),?user=bwzvOKgAAAAJ&hl=en.

The carbon dioxide chaperon efficiency for the reaction H + O₂ + M [yields] HO₂ + M from ignition delay times behind reflected shock waves [microform] / Theodore A.

Brabbs and Thomas F. Robertson National Aeronautics and Space Administration ; National Technical Information Service, distributor [Washington, DC]: [Springfield, Va   McLain et al.,17 carried out shock tube experi- ~ ments for mixtures of SiH4/H~/O~/N2, in which ignition delay times after passage of the reflected shock were determined.

Calculations have been performed for these conditions, in which tig has been defined, as in4 to be the time required for a tem- perature rise equal to 5% of the overall   VODE is a new initial value ODE solver for stiff and nonstiff systems. It uses variable-coefficient Adams-Moulton and Backward Differentiation Formula (BDF) methods in Nordsieck form, as taken from the older solvers EPISODE and EPISODEB, treating the Jacobian as full or ://   () Shock tube determination of ignition delay times in full-blend and surrogate fuel mixtures.

Combustion and FlameOnline publication date: 1-Dec In this study, syngas combustion was investigated behind reflected shock waves in order to gain insight into the behavior of ignition delay times and effects of the CO 2 dilution. Pressure and light emissions time-histories measurements were taken at a 2 cm axial location away from the end :// /High-Speed-Imaging-and-Measurements-of-Ignition.

Shock Waves() Non-uniform ignition behind a reflected shock and its influence on ignition delay measured in a shock tube. Shock Waves() Modelling detonation of H2–O2–N2 mixtures in presence of solid particles in 3D ://.

During this study, ignition delay times were measured behind reflected shock waves for mixts. of 1% H2/1% O2 dild. in Ar and doped with various concn.

of H2S (,and ppm) over large pressure (around13, and 33 atm) and temp. ( K)   Ignition delay times were measured for gas-phase methylcyclohexane (MCH)/O2/argon and MCH/air mixts. behind reflected shock waves.

Initial postshock conditions covered temps. of K, pressures of atm, fuel concns. of %, and equivalence ratios (φ) of Wu CH, Singh HJ, Kern RD () Pyrolysis of acetylene behind reflected shock-waves. Int J Chem Kinet – Google Scholar Wu XS, Daniel R, Tian GH et al () Dual-injection: the flexible, bi-fuel concept for spark-ignition engines fuelled with various gasoline and biofuel ://