free flow

Got out the appropriate distance between nuzzle and mixing chamber based on analysing the characteristic of the free fluid,and optimized the performance of the jet pump.

介绍了射流泵在制冷循环中的工作原理,建立了射流泵的物理模型;分析了自由流束的特性,说明了射流泵中喷嘴距离混合室的最佳尺寸,最佳尺寸能使射流泵的工作性能得到优化。