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A mixture model with modified mass transfer expression for cavitating turbulent flow simulation

A mixture model with modified mass transfer expression for cavitating turbulent flow simulation Purpose – The purpose of this paper is to provide a mixture model with modified mass transfer expression for calculating cavitating (two‐phase) flow. Design/methodology/approach – The mass transfer relations are derived based on the mechanics of evaporation and condensation, in which the mass and momentum transfer count for factors such as non‐dissolved gas, turbulence, surface tension, phase‐change rate, etc. Findings – As shown by two calculation examples, the modified model can predict the cavitating flow with high accuracy, agreeing well with experimental results. Originality/value – The methods described are of value in improving stability in numerical calculations. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Engineering Computations Emerald Publishing

A mixture model with modified mass transfer expression for cavitating turbulent flow simulation

Engineering Computations , Volume 25 (4): 15 – May 30, 2008

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Publisher
Emerald Publishing
Copyright
Copyright © 2008 Emerald Group Publishing Limited. All rights reserved.
ISSN
0264-4401
DOI
10.1108/02644400810874930
Publisher site
See Article on Publisher Site

Abstract

Purpose – The purpose of this paper is to provide a mixture model with modified mass transfer expression for calculating cavitating (two‐phase) flow. Design/methodology/approach – The mass transfer relations are derived based on the mechanics of evaporation and condensation, in which the mass and momentum transfer count for factors such as non‐dissolved gas, turbulence, surface tension, phase‐change rate, etc. Findings – As shown by two calculation examples, the modified model can predict the cavitating flow with high accuracy, agreeing well with experimental results. Originality/value – The methods described are of value in improving stability in numerical calculations.

Journal

Engineering ComputationsEmerald Publishing

Published: May 30, 2008

Keywords: Mass transfer; Cavitation; Turbulent flow; Hydrofoils

References