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Fuel mixture stratification as a method for improving homogeneous charge compression ignition engine operation
Fuel mixture stratification as a method for improving homogeneous charge compression ignition engine operation
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机译:燃料混合物分层作为改善均质充量压缩点火发动机运行的方法
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摘要
A method for slowing the heat-release rate in homogeneous charge compression ignition (“HCCI”) engines that allows operation without excessive knock at higher engine loads than are possible with conventional HCCI. This method comprises injecting a fuel charge in a manner that creates a stratified fuel charge in the engine cylinder to provide a range of fuel concentrations in the in-cylinder gases (typically with enough oxygen for complete combustion) using a fuel with two-stage ignition fuel having appropriate cool-flame chemistry so that regions of different fuel concentrations autoignite sequentially.
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