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RESEARCH PAPERS

Prediction of Air-Water Two-Phase Flow Performance of a Centrifugal Pump Based on One-Dimensional Two-Fluid Model

[+] Author and Article Information
Kiyoshi Minemura

Graduate School of Human Informatics, School of Informatics and Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan

Tomomi Uchiyama

School of Informatics and Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan

Shinji Shoda, Kazuyuki Egashira

Technical Research Center, Japan National Oil Corporation, Hamada, Mihama-ku, Chiba 261-0025, Japan

J. Fluids Eng 120(2), 327-334 (Jun 01, 1998) (8 pages) doi:10.1115/1.2820652 History: Received April 01, 1997; Revised January 20, 1998; Online December 04, 2007

Abstract

To predict the performance of centrifugal pumps under air-water two-phase flow conditions, a consistent one-dimensional two-fluid model with fluid viscosity and air-phase compressibility in a rotating impeller is proposed by considering energy changes in the transitional flow from the rotating impeller to the stationary volute casing. The two-fluid model is numerically solved for the case of a radial-flow pump after various constitutive equations are applied. The head and shaft power predicted are found to agree well with the measured values within ±20 percent of the rated flow capacity.

Copyright © 1998 by The American Society of Mechanical Engineers
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