对原型机(小型HS 510航空发动机)的扫气过程数值模拟发现：在缸内存在环流和涡流。
Based on the simulation of the scavenging process in the HS-510 prototype engine, a loop flow and a swirl are found in the cylinder.
研究试验结果表明，分层扫气可减少换气过程的燃料损失，使燃油消耗率大幅度下降； 使混合气空燃比的范围加大。
The result shows that stratified scavenging reduces fuel loss during air exchange greatly lowing the fuel consumption rate and enlarging the air-fuel ratio range.
本文主要研究了吹扫气、进气压力及水氧比对分离过程影响的一些规律。
In this paper, the necessary of sweep gas, the ratio of water versus oxygen of the feed gas as well as its pressure are studied to examine their effects on separation process.
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