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壁面粗糙度对水平后台阶气粒两相流动影响的PDPA实验研究
张夏; 周力行
Source Publication工程热物理学报
2004
Volume25Issue:Pages:71-74
ISSN0253-231X
Abstract用相位多普勒颗粒测速仪(PDPA)测量了颗粒的平均与脉动速度,研究了壁面粗糙度对水平后台阶气粒两相流动的影响.研究结果表明,壁面粗糙度减小颗粒纵向平均速度,增大颗粒纵向和横向脉动速度.壁面粗糙度对流场中不同位置处颗粒运动影响的强弱不同,其中逆流区处较弱,下游处较强.壁面粗糙度对不同粒径颗粒运动影响的强弱不同,其中对细颗粒的影响较弱且被局限在壁面附近;对粗颗粒的影响较强且扩散到整个流场.
Subject Area力学
Indexed ByCSCD/EI
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/16025
Collection力学所知识产出(1956-2008)
Recommended Citation
GB/T 7714
张夏,周力行. 壁面粗糙度对水平后台阶气粒两相流动影响的PDPA实验研究[J]. 工程热物理学报,2004,25,增,:71-74.
APA 张夏,&周力行.(2004).壁面粗糙度对水平后台阶气粒两相流动影响的PDPA实验研究.工程热物理学报,25(增),71-74.
MLA 张夏,et al."壁面粗糙度对水平后台阶气粒两相流动影响的PDPA实验研究".工程热物理学报 25.增(2004):71-74.
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