Prediction of cavitation inception within regions of flow separation

[+] Author and Article Information
Eduard Amromin

Mechmath LLC, Federal Way, WA 98003, USA

1Corresponding author.

ASME doi:10.1115/1.4037505 History: Received February 08, 2017; Revised July 19, 2017


Cavitation within regions of flow separation appears in drifting vortices. A two-part computational method is employed for prediction of cavitation inception number there. The first part is an analysis of the average flow in separation regions without consideration of an impact of vortices. The second part is an analysis of equilibrium of a bubble within the core of a vortex located in the turbulent flow of known average characteristics. Computed cavitation inception numbers for axisymmetric flows are in the good agreement with the known experimental data.

Copyright (c) 2017 by ASME
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