Experimental investigation on flow characteristics of gaseous in micro-channels

摘要：

　　The experiments are performed for copper micro-tubes and plexiglass glass tubes,diameters vary from 0.2mm to 1.0mm,and the roughness less than 3%.The conclusion shows that the material of micro-tubes does not affect the experimental results;with decreasing diameters,the critical Reynolds number decreases.So transition in advance occurs in the tiny channel.At the same time,with the Reynolds number and the diameter growing,the pressure drop increases faster.And the results do not change with the numbers of tube.

关键词： micro-channels investigation gaseous

作者: Zhang Kai Zheng Guanghua Du Fenglei

作者单位: Northwestern Polytechnical University,Xian,China

会议类型: 国际会议

会议名称: 2014 Asia-Pacific International Symposium on Aerospace Technology(2014亚太航空航天技术学术会议)

会议地点: 上海

会议语种:英文

页码: 1-6

在线出版日期: 2014-09-24（万方平台首次上网日期，不代表论文的发表时间）