This paper establishes the test method of the simulation for test pump and carries out deeply the wear study of the high pressure pump for testing antiwear oil.

本文通过建立的试验泵模拟试验方法，对抗磨液压油试验用高压泵的磨损情况进行了深入研究。

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The difficult problem of a steady high-pressure can't arrive through the water pressure pump have been solved ingeniously, and the efficiency of the testing also have been enhanced...

解决了利用水泵难以获取到稳定高压的难题，并提高了检测效率。

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And first law efficiency of testing result also shows a maximum value for certain evaporating pressure. The reason is the gas-liquid two-phase at the expander inlet under high pump frequency.

循环第一定律效率随着蒸发压力的增加也存在最大值，其原因是由于较高压力和流量下膨胀机入口存在汽液两相现象。

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