Numerical Modelling and Prediction of Erosion Induced by Hydrodynamic Cavitation

被引：5
|
作者：
Peters, A. [1 ]
Lantermann, U. [1 ]
el Moctar, O. [1 ]
机构：
[1] Univ Duisburg Essen, Inst Ship Technol Ocean Engn & Transport Syst, Biomarckstr 69, D-47057 Duisburg, Germany
来源：
9TH INTERNATIONAL SYMPOSIUM ON CAVITATION (CAV2015) | 2015年 / 656卷
关键词：
D O I：
10.1088/1742-6596/656/1/012054
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The present work aims to predict cavitation erosion using a numerical flow solver together with a new developed erosion model. The erosion model is based on the hypothesis that collapses of single cavitation bubbles near solid boundaries form high velocity microjets, which cause sonic impacts with high pressure amplitudes damaging the surface. The erosion model uses information from a numerical Euler-Euler flow simulation to predict erosion sensitive areas and assess the erosion aggressiveness of the flow. The obtained numerical results were compared to experimental results from tests of an axisymmetric nozzle.
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页数：4
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