2316 旋回流動混合気場におけるフランジ付き電極の点火および燃焼特性に及ぼす影響(S27-1 エンジンの点火・燃焼の新展開(1),21世紀地球環境革命の機械工学:人・マイクロナノ・エネルギー・環境)

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Experimental and numerical researches have been performed to obtain the detailed information about the ignition and combustion characteristics of flanged electrodes in premixed gaseous flow fields. Cylindrical type, and flange combined both cylindrical and disl type were mounted on the tips of comventional electrodes. It was mainly investigated that the effect of the flanges exerted on ignition energy reduction and flow velocity reduction between the flanges in a swirling flow field with propane-air mixure. We obtained results that the minimum primary current decreases in a quiescent and wide range of swirling flow velocity, and that the flow velocity at the center of electrodes decreases. The degree of reduction effects depend on flange shape.
2008-08-02