20513 予混合火炎の燃焼特性に及ぼす希薄混合気噴射の影響について(第2報)(エネルギー・環境問題に対応するエンジン・燃料技術(3),OS.11 エネルギー・環境問題に対応するエンジン・燃料技術)

概要

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Recently, the restriction to combustion products is becoming severe from the viewpoint of environmental problems such as global warming. In this study, experiments have been carried out with lean propane-air mixtures to examine the influence of using injection of mixtures on flame shape and flame speed in a combustion tube. The experimental results in this study are as follows: 1) The increasing the flame speed near flammability limit is very effective by lean mixture injection. 2) The increasing rate of flame speed decreases with decreasing of ambient oxygen concentration. 3) The dropping rate of ionization probe voltage is depended on the ambient oxygen concentration at same equivalence ratio of injection mixtures.
社団法人日本機械学会の論文
2009-03-05