29 September 1995 Application of particle image velocimetry to the direct measurement of laminar burning velocity in homogeneous propane-air mixtures
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Abstract
An experiment is described for the direct measurement of laminar burning velocity within an optically accessed cylindrical combustion chamber. The laminar burning velocity was determined directly as the difference between the flame propagation speed and the unburned gas velocity immediately ahead of the flame front. Particle Image Velocimetry (PIV) has been applied to measure the unburned gas velocity field. The local flame speed and flame front position were determined from a pair of ionization probes in conjunction with the simultaneous PIV measurement. The laminar burning velocity of propane-air mixtures initially at atmospheric condition for different equivalence ratios from 0.7-1.4 are presented. Close agreement with other measurements and predicted results was found.
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Minyong Zhou, Minyong Zhou, Colin P. Garner, Colin P. Garner, } "Application of particle image velocimetry to the direct measurement of laminar burning velocity in homogeneous propane-air mixtures", Proc. SPIE 2546, Optical Techniques in Fluid, Thermal, and Combustion Flow, (29 September 1995); doi: 10.1117/12.221554; https://doi.org/10.1117/12.221554
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