Results 111 to 120 of about 57,111 (164)

FLAME STRUCTURE MEASUREMENT OF POLYMER DIFFUSION FLAMES

, 1979
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Turbulence Effects on Flame Speed and Flame Structure

AIAA Journal, 1979
Turbulence effects on methane-air flames stabilized in grid turbulence were investigated through measurements of flame speed and mean and fluctuating flame temperature profiles. Published turbulent flame speed correlations were able to correlate the experimental flame speed data but were contradictory in indicating flame structure and combustion ...
K. SMITH, F. GOULDIN
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Flame-structure studies of CF3Br-inhibited methane flames

Symposium (International) on Combustion, 1973
Low-pressure flat flames have been probed with a molecular-beam sampling system coupledto a modulated-beam mass spectrometer. The purpose of the study is to determine and compare the microstructure of normal CH 4 -O 2 -Ar flames, and those inhibited by CF 3 Br, in order to provide some basis for an understanding of how inhibition is effected in this ...
Joan C. Biordi, Charles P. Lazzara, John F. Papp   +2 more
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RDX flame structure

Symposium (International) on Combustion, 1994
Nonintrusive diagnostics were used to measure temperature and species profiles during neat RDX deflagration at 1 atm. UV-visible absorption was measured to obtain absolute concentration profiles of NO, NO 2 , CN, NH, H 2 CO, and OH. Temperature and species concentrations were obtained by spectral fitting.
Donna Hanson-Parr, Tim Parr
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Flame structures of H2S—Air diffusion flames

Symposium (International) on Combustion, 1981
Diffusion flames of rich hydrogen sulfide-air mixtures were studied by the point to point temperature and comcentration profile method, measuring H 2 S, O 2 , N 2 , SO 2 , H 2 O and H 2 concentrations. Computation of overall reaction rates based on the values measured indicates that the flame is comprised of three distinct zones in which the ...
J. Berner-Cambot, C. Vovelle, R. Delbourgo   +2 more
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Flame structure of methane inverse diffusion flame

Experimental Thermal and Fluid Science, 2014
Abstract This paper presents high speed images of OH-PLIF at 10 kHz simultaneously with 2D PIV (particle image velocimetry) measurements collected along the entire length of an inverse diffusion flame with circumferentially arranged methane fuel jets.
Elbaz, Ayman M., Roberts, William L.
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Laminar hydrocarbon flame structure

Combustion, Explosion, and Shock Waves, 2009
From the very first experimental studies, based essentially on flame propagation velocity and flame emission measurements, successive improvements in analytical and numerical techniques have contributed to make the analysis of laminar flame structure a powerful tool for extending the knowledge on combustion chemistry, thermodynamics, and transport ...
C. Vovelle, J. -L. Delfau, L. Pillier
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RDX ignition flame structure

Symposium (International) on Combustion, 1998
Quantitative CN, OH, and OH rotational temperature, and velocity two-dimensional profiles have been imaged using planar laser-induced fluorescence (PLIF) imaging or particle-imaging velocimetry (PIV) during ignition and deradiative extinguishment of cyclotrimethylene-trimitramine, (RDX) at three different heat flux levels.
Tim Parr, Donna Hanson-Parr
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Counterflow heptane flame structure

Proceedings of the Combustion Institute, 2000
Results are reported for thermocouple and gas-chromatographic measurements of profiles of temperature and of concentrations of C 7 H 16 , C 5 H 10 , C 4 H 8 , C 4 H 6 , C 3 H 6 , C 2 H 6 , C 2 H 4 , C 2 H 2 , CH 4 , CO, and CO 2 in two laminar counterflow n -heptane flames having measured flame temperature of 2100 K, at an oxidizerside potential-flow
S.C. Li, F.A. Williams
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Solid Propellant Flame Structure

MRS Proceedings, 1995
AbstractPlanar Laser Induced Fluorescence (PLIF), UV/Vis Absorption, and thermocouple measurements were done for HNF, RDX, HMX, and XM39 deflagration with and without CO2 laser-support. RDX and especially HNF have very short self-deflagration flame length scales. HMX and XM39 have taller self-deflagration flames.
T. P. Parr, D. M. Hanson-Parr
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