A new index is proposed to evaluate performance of the air-powered engine-the ratio of the mean effective pressure and the average pressure in the engine cylinder.
提出一个评价气动发动机性能的新指标——气动发动机平均有效压力和缸内平均压力的比值。
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With a certain capacity that is mean a certain velocity, the pressure losses of the cylinder-on-cone cyclone …