J Liu, CE Dumitrescu - Energy & Fuels, 2019 - ACS Publications

Numerical investigation of methane number and Wobbe index effects in lean-burn natural gas spark-ignition combustion.

EPSCoR Research Infrastructure Improvement Program AND Program Evaluation

Dumitrescu

GSID: ck6UIfT52bkJ

Excerpt

A larger use of natural gas in internal combustion engines will reduce the dependence upon petroleum imports. However, large variations in gas composition as a result of the gas origin and/or gas treatments applied can affect engine performance and emissions. This study used a three-dimensional computational fluid dynamics internal combustion engine model (validated with experimental data) to investigate the effect of adding heavier hydrocarbons (ethane and propane) to the gas mix. The simulation investigated the effects of spark timing …

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