Abstract: The present study is a part of the research work on the fluid transients in turbopump fuel system.The high speed pictures taken for fluid transients occuring in pump suction side and discharge side are compared with the results of measurements in transient process. Special attention is directed to the analysis of the mechanism of separation and gas-liquid two-phase flow caused by fluid transients as well as their influence upon the performance of turbopump fuel system. Some measures for preventing turbopump fuel system from damagement are suggested.

Key words: Turbinepump;Fuel system;Transient flow;High speed photography

摘要： 本文是涡轮泵式供油系统流体瞬变过程研究工作的一部分.将泵进、出口流体瞬变过程的高速摄影照片与参数测量结果进行了对比,着重对系统中流体瞬变引起液柱分离和气-液两相流的机理和它们对系统性能的影响进行了分析,提出了防止流体瞬变对涡轮泵式供油系统造成危害的措施.

关键词: 涡轮泵;燃油系统;瞬变流;高速摄影