STUDIES ON CAVITATION INCEPTION PROCESS IN SEPARATED FLOWS

被引：1
|
作者：
MILTON, SG
ARAKERI, VH
机构：
[1] Department of Mechanical Engineering, Indian Institute of Science, Bangalore
来源：
JOURNAL OF FLUIDS ENGINEERING-TRANSACTIONS OF THE ASME | 1992年 / 114卷 / 01期
关键词：
D O I：
10.1115/1.2910005
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Studies related to cavitation inception process in separated flows are reported. Experimental observations of bubble appearance in grooves with laminar or turbulent boundary layer over them have clearly shown that gaseous diffusion process is significantly enhanced in turbulent flow. This process can lead to local nuclei size modification in environment similar to that of flow over a groove, like laminar separation "bubbles." Cavitation inception modeling including this aspect is carried out for predicting inception conditions associated with "bubble-ring" cavitation commonly observed on hemispherically nosed axisymmetric body. Qualitative dependence of predicted inception numbers with velocity is found to agree very well with experimental observations of Carroll (1981).
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页码：85 / 92
页数：8
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