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本文以去离子水和氮气为工质,在水平圆形微通道(dh=0.336 mm)中采用两种直接取压方式-缝隙取压和小孔取压,对单相摩擦阻力特性进行了实验研究,并通过改变缝隙宽度,研究缝隙宽度对压降测量偏差的影响.

参考文献

[1] K C Pong;C M Ho;J Q Liu et al.Non-Linear Pressure Distribution in Uniform Microchannels,Application of Microfabrication to Fluid Mechanics[R].ASME FED-197,1994.
[2] Stephen E Turner;Hongwei Sun;Mohammad Faghri.Local Pressure Measurement of Gaseous Flow Through Microchannels[A].,1999:71-79.
[3] Xu B;Ooi K T;Wong N T et al.Experimental Investigation of Flow Friction for Liquid Flow in Microchannels[J].International Journal of Heat and Mass Transfer,2000,27(08):1165-1176.
[4] W M Kays;A L London.Compact Heat Exchangers[M].New York:McGraw-Hill,1984:93-94.
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