INTERMITTENT PHENOMENA IN THE FLOW OVER A RIB ROUGHENED SURFACE

被引：0
|
作者：
MULLIN, T
MARTIN, SR
机构：
[1] UNIV OXFORD,CLARENDON LAB,OXFORD,ENGLAND
[2] HARWELL LAB,AEA TECHNOL,OXFORD,OXON,ENGLAND
来源：
JOURNAL OF FLUIDS ENGINEERING-TRANSACTIONS OF THE ASME | 1991年 / 113卷 / 02期
关键词：
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Laser Doppler anemometry has been used to make measurements of a small recirculation bubble in a turbulent water flow over a rib roughened surface. The bubble occurs near the leading edge of a transverse rib which is a model of the ribbed surface used to enhance cooling on nuclear reactor fuel pins. The bubble is transient, and spectral and correlation measurements were made to investigate any periodicity. It was found that the bubble itself did not show any periodicity but there was evidence for fluctuations in the main stream with a Strouhal number of 0.1.
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页码：206 / 209
页数：4
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