EXPERIMENTAL STUDY OF VELOCITY DISTRIBUTIONS IN THE TRANSITION REGION OF PIPES |
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| Authors: | LIU Yong-hui DU Guang-sheng LIU Li-ping SHAO Zhu-feng ZHAI Cheng-yuan School of Energy Power Engineering Sh ong University Jinan China |
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| Affiliation: | LIU Yong-hui,DU Guang-sheng,LIU Li-ping,SHAO Zhu-feng,ZHAI Cheng-yuan School of Energy and Power Engineering,Shandong University,Jinan 250061,China |
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| Abstract: | The accuracy of an ultrasonic flowmeter meaurement depends on the profile-linear average velocity.But this velocity in the transition region is not available at the present.In this article,the velocity in the transition region in pipes is studied by experimental methods.The Particle Image Velocimetry (PIV) is used to measure the flow field in the transition region in pipes,and the measured results from PIV are in good agreement with the Westerwell's experimental data.Based on the experimental data of PIV,th... |
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| Keywords: | ultrasonic flowmeter Particle Image Velocimetry (PIV) the profile-linear average velocity transition region pipe |
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