312 微速空気流中に形成される液滴火炎内の化学種計測

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An experimental study was performed to clarify the flame structure of burning fuel droplet. Fuel employed was mixture of n-heptane and benzen. Both OH radical and soot concentration distributions were measured along the radial direction passing the front stagnation point of a fuel droplet flame in steady air flow. The laser induced fluorescence technique was applied for measurement of OH radical concentration distributions. The laser light scattering technique was applied for measurement of soot concentration distributions. An Nd : YAG laser-pumped pulsed dye laser with frequency doubling was used for these measurements as the light source. The wavelength of the UV light was adjusted to 283.65nm. The results showed that the soot concentration increased with increasing benzen volume concentration, while the OH radical concentration kept almost constant.
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