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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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粗糙微管道壁面振荡的磁流体流动
DOI: 10.13484/j.nmgdxxbzk.20150405, PP. 363-369
Keywords: 磁流体,摄动法,小振幅波状微管道
Abstract:
采用摄动法得到了粗糙微管道壁面振荡的磁流体流动的速度的近似解析解.波状管壁是由小振幅的反相周期余弦波给出的.通过数值计算,分析了振荡雷诺数re和hartmann数ha对速度剖面的影响.结果表明:随着振荡雷诺数re和hartmann数ha的增加,x和y方向速度的振幅减小.同时由于壁面的振荡,对固定的振荡雷诺数re,随着y的增加,即由微管道的中心到管道的壁面,x和y方向速度的振幅逐渐增加.
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