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Proceedings Paper

Water hammer phenomena in gas-water two-phase bubbly flow through a 90° bend tube
Author(s): Shuli Wang; Qi Sun; Zhi Zheng; Beibei Li; Pei Cai
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Paper Abstract

Water hammer phenomena of two-phase bubbly flow caused by a rapid valve closure in a 90° bend pipe were investigated experimentally. The experiments were conducted in a horizontal tube of 25.4mm in inner diameter and 1.9~3.8 in ratio of the curvature radius to the inner diameter of the bend tube, in the ranges of superficial velocity from 0.23 to 1.64 m/s and of void fraction from 0. 0% to 1.12%. The air and water were used as the working fluid. The value of potential surge and its attenuation, and propagation velocity of the compression waves were obtained and discussed, comparing them with those in the single-phase water flow. The distribution of potential surge in a 90° bend pipe is a "ring", and it was respect with void fraction, superficial velocity, curvature radius.

Paper Details

Date Published: 24 August 2009
PDF: 7 pages
Proc. SPIE 7375, ICEM 2008: International Conference on Experimental Mechanics 2008, 737522 (24 August 2009); doi: 10.1117/12.839083
Show Author Affiliations
Shuli Wang, Jiangsu Polytechnic Univ. (China)
Qi Sun, Jiangsu Polytechnic Univ. (China)
Zhi Zheng, Jiangsu Polytechnic Univ. (China)
Beibei Li, Jiangsu Polytechnic Univ. (China)
Pei Cai, Jiangsu Polytechnic Univ. (China)

Published in SPIE Proceedings Vol. 7375:
ICEM 2008: International Conference on Experimental Mechanics 2008
Xiaoyuan He; Huimin Xie; YiLan Kang, Editor(s)

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