Measurements of Resistance of Individual Square-Mesh Screens to Oscillating Flow at Low and Intermediate Reynolds Numbers

[+] Author and Article Information
Ray Scott Wakeland, Robert M. Keolian

The Pennsylvania State University, Graduate Program in Acoustics, P.O. Box 30, State College, PA 16804-0030

J. Fluids Eng 125(5), 851-862 (Oct 07, 2003) (12 pages) doi:10.1115/1.1601254 History: Received October 25, 2002; Revised April 21, 2003; Online October 07, 2003
Copyright © 2003 by ASME
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Measurements do not show an expected change in loss factor near the amplitude where the gas stroke equals the wire diameter, shown by the vertical dashed line for data at 0.5 Hz (part (a)) and 9 Hz (part (b)). The solid diagonal line in each plot is K=204 Red−1.
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Results from the empty duct, used to estimate uncertainties in the gas velocity and the phase of the pressure
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Experimental and theoretical results from parallel plates at low amplitude, used to study the overall uncertainty in K
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Correlation of data from all 21 test screens using the function G1
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Plots of A0 for (a) our data, and (b) Ehrhart’s data, 16
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Various correlation methods
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Schematic of the measurement apparatus
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Seven example data sets




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