Analysis of Single- and Two-Phase Flows in Turbopump Inducers

[+] Author and Article Information
P. Cooper

TRW, Inc., Cleveland, Ohio

J. Eng. Power 89(4), 577-586 (Oct 01, 1967) (10 pages) doi:10.1115/1.3616742 History: Received August 03, 1966; Online August 25, 2011


A model is developed for analytically determining pump inducer performance in both the single-phase and cavitating flow regimes. An equation of state for vaporizing flow is used in an approximate, three-dimensional analysis of the flow field. The method accounts for losses and yields internal distributions of fluid pressure, velocity, and density together with the resulting overall efficiency and pressure rise. The results of calculated performance of two sample inducers are presented. Comparison with recent theory for fluid thermal effects on suction head requirements is made with the aid of a resulting dimensionless vaporization parameter.

Copyright © 1967 by ASME
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