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Evaluation of non-ideal piston stopping effects on the “adiabatic core” and ignition delay time simulation in rapid compression machines
Combustion and Flame ( IF 5.8 ) Pub Date : 2020-08-01 , DOI: 10.1016/j.combustflame.2020.04.007
Yingtao Wu , Chenglong Tang , Meng Yang , Quan-de Wang , Zuohua Huang , Peng Zhao , Henry J. Curran

Abstract Piston creep and rebound are two non-ideal piston stopping behaviors in the rapid compression machine. Compared to nominal piston stopping, piston rebound/creep will result in a smaller/bigger ‘adiabatic’ core zone volume in the reaction chamber and length/shorten the ignition delay time measurements. However, the ‘adiabatic core’ hypothesis can still be validated under these compressions and ensures the applicability of zero-dimensional method in the model simulation.

中文翻译:

快速压缩机中“绝热芯”和点火延迟时间模拟的非理想活塞停止效果评估

摘要 活塞蠕动和回弹是快速压缩机中两种非理想的活塞停止行为。与标称活塞停止相比,活塞回弹/蠕动将导致反应室中更小/更大的“绝热”核心区体积和长度/缩短点火延迟时间测量。然而,“绝热核心”假设在这些压缩下仍然可以得到验证,并确保零维方法在模型模拟中的适用性。
更新日期:2020-08-01
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