An experimental investigation of microchannel flow with internal pressure measurements

M.J. Kohl; S.I. Abdel-Khalik; S.M. Jeter; D.L. Sadowski

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An experimental investigation of microchannel flow with internal pressure measurements

机译：具有内部压力测量的微通道流动的实验研究

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Experiments have been conducted to investigate discrepancies in previously published data for the pressure drop in microchannels. Straight channel test sections with integrated pressure sensors were developed with channel hydraulic diameters ranging from 25 to 100 μm. Compressible flow results for 6.8 < Re < 18,814 and incompressible flow results for 4.9 < Re < 2068 have been obtained. The results suggest that friction factors for microchannels can be accurately determined from data for standard large channels. The large inconsistencies in previously published data are probably due to instrumentation errors and/or improper accounting for compressibility effects.

机译：已经进行了实验以调查以前发表的数据中微通道压降的差异。开发了带有集成压力传感器的直通道测试段，通道液压直径范围为25至100μm。已获得6.8

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来源
《International Journal of Heat and Mass Transfer》 |2005年第8期|p.1518-1533|共16页
作者
M.J. Kohl; S.I. Abdel-Khalik; S.M. Jeter; D.L. Sadowski;
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作者单位

George Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405, USA;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类热力工程理论;热学;
关键词
microChannel; microfluidics; compressible; pressure sensor;

机译：微通道;微流体;可压缩;压力传感器;

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An experimental investigation of microchannel flow with internal pressure measurements

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