0719 HCCI機関における予混合気不均一性による圧力上昇率の低減効果 : 化学発光像計測を用いた燃焼解析(S43-1 エンジンにおける計測およびモデリング(1),S43 エンジンにおける計測およびモデリング)

概要

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This study investigates experimentally the potential of mixing rate inhomogeneity for reducing maximum pressure rise rate on Homogeneous Charge Compression Ignition (HCCI) combustion, using Di-methyl Ehter (DME) and n-Butane as test fuel. In addition to pressure measurement, chemiluminescence imaging in HCCI combustion is used as a means of visualizing a charge inhomogeneity and evaluating local combustion characters. In some mixing methods, mixing rate inhomogeneous charge in DME and n-Butane reduced the maximum pressure rise rate during HCCI combustion. Chemiluminescence images showed that mixing rate inhomogeneous charge, comparing to mixing rate homogeneous charge, dispersed the peak time of chemiluminescence intensity.
一般社団法人日本機械学会の論文
2007-09-07