315 液滴火炎構造に及ぼす雰囲気中の水蒸気および燃料蒸気濃度の影響(OS-2 液滴の着火・燃焼)

概要

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An experimental study was performed to clarify the flame structure of a burning fuel droplet. OH concentration distributions were measured along diametrical line passing through the front stagnation point of a fuel droplet flame in the gaseous stream. The laser induced fluorescence was applied for the measurement of OH concentration distributions. An Nd:YAG laser-pumped pulsed dye laser emitting monochromatic radiation at a wavelength of 283.62nm was used as the light source for these measurements. The results showed that the maximum of OH concentration was located near the flame front. An increase in the relative humidity in the gaseous stream caused the decrease of OH concentration. The increase in benzene vapor concentration in the gaseous stream around a benzene droplet flame causes the increased maximum OH concentration and the outward extension of the region in which OH is present.
社団法人日本機械学会の論文
2004-03-17