3227 壁面衝突ディーゼル噴霧の混合気形成と着火位置(S48-2 燃料噴霧・混合気形成(2),S48 燃料噴霧・混合気形成)

概要

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Ignition and combustion characteristics of diesel spray impinging on a wall were experimentally investigated. Ignition position and appearance position of the luminous flame kernel were stereoscopically observed using a two-way fiber optical system. Flat impingement wall was fixed in a high-temperature, high-pressure combustion chamber. Distance from nozzle tip to the impingement point on the wall was set at 50mm. Effect of injection pressure on ignition position was investigated. Furthermore, combustion period was measured and the effect of injection pressure on it was investigated. As the result, ignition positions were observed at downward side of inclined wall when the injection pressure became large. And appearance position of the luminous flame was observed near the impingement point. Combustion period decreased with increasing the injection pressure.
一般社団法人日本機械学会の論文
2005-09-18