壁面粗糙度对气粒两相流动中颗粒行为影响的实验研究

周力行; 张夏

首页> 外文期刊>中国化学工程学报（英文版） >壁面粗糙度对气粒两相流动中颗粒行为影响的实验研究

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壁面粗糙度对气粒两相流动中颗粒行为影响的实验研究

机译：壁面粗糙度对气粒两相流动中颗粒行为影响的实验研究

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机译：The effect of wall roughness on particle behavior in two-phase flows in a horizontal backward-facing step is studied using a phase-Doppler particle anemometer.The results show that the wall roughness widens the particle velocity probability density distribution,enhances the redistribution of particle velocity into different directions,reduces the particle longitudinal mean velocity and increases the longitudinal and transverse fluctuation velocities and Reynolds shear stress.The effect of roughness on particle motion in the recirculation zone is weaker than that in the fully developed flow region.The effect of roughness for small particles is restricted only in the near-wall region,while that for large particles diffuses to the whole flow field.

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来源
《中国化学工程学报（英文版）》 |2004年第3期|330-334|共5页
作者
周力行; 张夏;
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作者单位

Department of Engineering Mechanics State Key Laboratory of Clean Coal Combustion Tsinghua University Beijing 100084 China;

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收录信息中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
原文格式 PDF
正文语种 chi
中图分类一般性问题;
关键词
phase-Doppler particle anemometer measurements; particle behavior; wall roughness;

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壁面粗糙度对气粒两相流动中颗粒行为影响的实验研究

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