Developing a Knock Predictive Criterion in Spark Ignition Engines Fuelled with Gaseous Fuels
文献类型:期刊论文
作者 | G.A. Karim; J. Gao |
刊名 | JOURNAL OF THERMAL SCIENCE
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出版日期 | 1993 |
卷号 | 2期号:4页码:304,311 |
关键词 | Gas Spark Ignition Knock Predictive Model Knock Parameter |
英文摘要 | Consideration of the chemical reaction activity of the end gas in a spark ignition and operating conditions are combined to predict the onset of knock and associated performance in an engine fuelled with methane. A two-zone predictive combustion model was developed based on an estimate of the effective duration of the combustion period and the mass burning rate for any set of operating conditions. The unburned end gas preignition chemical reaction activity is described by a detailed chemical reaction kinetic scheme for methane and air. The variation with time of the value of a formulated dimensionless knock parameter (k) is calculated. It is shown that whenever knocking is encountered, the value of "k" builds up to a sufficiently high value that exceeds a critical value. Under normal operating conditions, the value of "k" remains throughout the whole combustion period at comparatively very low levels. It is shown that the model and the use of this knock criterion "k" produce results that are in good agreement with experiment. |
公开日期 | 2013-03-13 |
源URL | [http://ir.etp.ac.cn/handle/311046/54444] ![]() |
专题 | 工程热物理研究所_Journal of Thermal Science |
推荐引用方式 GB/T 7714 | G.A. Karim,J. Gao. Developing a Knock Predictive Criterion in Spark Ignition Engines Fuelled with Gaseous Fuels[J]. JOURNAL OF THERMAL SCIENCE,1993,2(4):304,311. |
APA | G.A. Karim,&J. Gao.(1993).Developing a Knock Predictive Criterion in Spark Ignition Engines Fuelled with Gaseous Fuels.JOURNAL OF THERMAL SCIENCE,2(4),304,311. |
MLA | G.A. Karim,et al."Developing a Knock Predictive Criterion in Spark Ignition Engines Fuelled with Gaseous Fuels".JOURNAL OF THERMAL SCIENCE 2.4(1993):304,311. |
入库方式: OAI收割
来源:工程热物理研究所
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