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›› 2016, Vol. 33 ›› Issue (2): 271-276.DOI: 10.7523/j.issn.2095-6134.2016.02.020

• Research Articles • Previous Articles     Next Articles

Cavitating gas-liquid two-phase flow pattern in water exit of a high-speed body

SHI Honghui, GAO Jurui, JIA Huixia, HU Junhui, ZHOU Yangjie, CHEN Bo   

  1. Department of Fluids Engineering, College of Mechanical Engineering and Automation, Zhejiang Sci-Tech University, Hangzhou 310018, China
  • Received:2015-03-13 Revised:2015-06-01 Online:2016-03-15

Abstract:

The flow patterns of cavitating gas-liquid two-phase flow in water exit have been studied experimentally. The complicated processes of cavity's collapse, its re-generation, and cavity's interaction with the free surface, etc. have been observed. For a collapsing cavity, its transparent tail becomes opaque, which may be related to the formation of re-entrant jet. However, in general, the cavity collapses entirely. By using the FLUENT software and VOF method, the flow field is simulated numerically and the results are in agreement with experiment.

Key words: supercavity, high-speed water exit, high-speed photography, flow pattern

CLC Number: