Experimental Investigation of an Orifice Meter Pressure Gradient

[+] Author and Article Information
R. G. Teyssandier, Z. D. Husain

Corporate Research and Development, Daniel Industries, Inc., Houston, Texas 77055

J. Fluids Eng 109(2), 144-148 (Jun 01, 1987) (5 pages) doi:10.1115/1.3242634 History: Received April 29, 1985; Online October 26, 2009


Wall and plate pressure gradients were investigated in a 3.5 in. (89 mm) air flow orifice meter facility for 3 orifice plates covering a pipe Reynolds number range of 21,000 to 160,000. The influence of the orifice plate on the upstream wall pressure gradient extended to 0.62D location. It was also found that the pressure gradient is a weak function of the orifice plate β ratio. The downstream location of the minimum pressure point located at about 3.3 dam heights. The pressure gradient on the face of the orifice plate shows that the deflection calculation based on any differential pressure taps is conservative.

Copyright © 1987 by ASME
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