Modelling vaporous cavitation on fluid transients

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Modelling vaporous cavitation on fluid transients

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Title: Modelling vaporous cavitation on fluid transients
Author: Shu, Jian Jun
Copyright year: 2003
Abstract: A comprehensive study of the problem of modelling vaporous cavitation in transmission lines is presented. The two-phase homogeneous equilibrium vaporous cavitation model which has been developed is compared with the conventional column separation model. The latter predicts unrealistically high pressure spikes because of a conflict arising from the prediction of negative cavity sizes if the pressure is not permitted to fall below the vapour pressure, or the prediction of negative absolute pressures if the cavity size remains positive. This is verified by a comparison of predictions with previously published experimental results on upstream, midstream and downstream cavitation. The new model has been extended to include frequency-dependent friction. The characteristics predicted by the frequency-dependent friction model show close correspondence with experimental data.
Subject: DRNTU::Engineering::Mechanical engineering::Fluid mechanics.
Type: Journal Article
Series/ Journal Title: International journal of pressure vessels and piping
School: School of Mechanical and Aerospace Engineering
Rights: © 2003 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by International Journal of Pressure Vessels and Piping, Elsevier.  It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at DOI: http://dx.doi.org/10.1016/S0308-0161(03)00025-5.
Version: Accepted version

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