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《Acta Metrologica Sinica》 2007-03
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Numerical Simulation of the Flow Field in Spindle Flowmeter

ZHONG Wei,MING Xiao(Department of Aerodynamics,Nanjing University of Aeronautics and Astronautics, Nanjing,Jiangsu 210016,China)  
The spindle flowmeter(also named channel flowmeter),a new type of differential pressure flowmeter,is introduced.The results of numerical simulation indicate that an annular channel flow is formed in conditions of regular or aberrant coming stream,which makes it possible to improve the repeatability and precision of measurement.The ratio of pressure drop to differential pressureobtained from the spindle flowmeter could be 50% lower than that of the orifice flowmeter.The experiment results validate the reliability of the numerical simulation.
【CateGory Index】: TH814.5
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