高圧噴射ディーゼル噴霧内における混合気形成過程 : モデル燃焼室内における燃料液滴,蒸気の挙動

概要

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We developed a new technique for analyzing droplet and vapor behavior in an evaporating diesel spray. This technique is based on the principle of laser light attenuation caused by ultraviolet light absorption by the fuel vapor and visible light scattering by the fuel droplets in an α-methylnaphthalene diesel spray. This new technique has been applied to an evaporating diesel spray under high pressure injection into a model combustion chamber which has a variety of cavity diameters, injection angles, nozzle projections and top clearances. It is found that with an increase in the injection pressure, the mixture formation in the piston cavity and the top clearance are seem to be improved with an optimal combination of the cavity diameter, injection angle, nozzle projection and top clearance values.
一般社団法人日本機械学会の論文
1994-01-25