利用火花点火和湍流射流点火的快速压缩机（RCM）中稀薄预混CH4/空气混合物燃烧特性的比较研究

2019/07/17   下载量： 0 次

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采用LaVision公司的HSS5型高速相机和DaVis软件平台，进行了利用火花点火和湍流射流点火的快速压缩机（RCM）中稀薄预混CH4/空气混合物燃烧特性的比较研究。

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The increase in ignitability consist a main aim of implementation of the turbulent jet ignition (TJI) in relation to the combustion of diluted charges. Such an ignition system has been introduced to the lean-burn CNG engine in the scope of GasOn-Project (Gas Only
Internal Combustion Engines). In this study the impact of TJI application on the main combustion indexes has been investigated using RCM and analyzed on the bases of the indicating and optical observations data. The images have been recorded using LaVision HSS5 camera and post-processed with Davis software. Second part of the study based on indicating measurements consist the analysis of combustion regarding the variation in the geometry of pre-chamber nozzles. It has been noted, that combustion with TJI indicates significantly bigger flame luminescence and simultaneously – faster flame front development, than the combustion initiated with conventional SI. The positive impact of nozzles angular position on engine operational data has been found in the static charge movement conditions,
regarding the combustion stability.

上一篇 在一个双稳湍流涡旋火焰中，对间歇性动态的时间-频率定位
下一篇 模型燃气轮机燃烧器燃料分级的实验研究

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北京欧兰科技发展有限公司
金牌会员 丨 第17年
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