Streaming from the hot end to the cold end of the regenerator was found which would waste much useful heating energy . modified structure of the jet pump could control this sort of streaming efficiently 實驗中還觀察到了直流現(xiàn)象,氣體從回熱器熱端向冷端運動,造成大量的能量浪費,通過改進噴射泵結(jié)構(gòu)可以有效抑制直流。