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《Journal of Northeast Dianli University》 2012-01
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According the double-pulse current source of gas-liquid two-phase annular flow measure the wall shear stress

ZHOU Yun-long1,REN Ku1,PAN Jia-qi2,PAN Jia-rui3,ZHAO Yang3(1.Energy Resources and Power Engineering College,Northeast Dianli University,Jilin Jilin 132012;2.School of international exchange,Jiamusi university,Heilongjiang Jiamusi 154000;3.Shenyang aircraft design institute,Shenyang 110000)  
Shear stress is one of the important parameters of two-phase flow measurement,in this article used double-pulsed as current source,detected the liquid film thickness of gas-liquid two-phase annular flow,and built the function relationship between film thickness and wall shear stress firstly;Designed experiment,analyzed the accuracy of function.The method has the characteristics such as: axiom-simple,had no effect to flow pattern,design cost lower and has widely range of application.
【CateGory Index】: TK31
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