Measurement of air flow through a porous medium

S. B. Riffat and K. W. Cheong

Applied Energy, 1991, vol. 40, issue 1, 29 pages

Abstract: This work examines the application of the constant-injection tracer-gas technique for measurement of air flow in a duct filled with a porous medium. The duct used for this investigation had an aspect ratio of 6·25 and measurements of tracer-gas concentration and pressure distribution along the duct were performed for Reynolds numbers between 1140 and 1790. The work indicated that the concentration of tracer gas in the porous medium became constant at a distance of approximately 52 hydraulic diameters from the tracer-gas injection point.

Date: 1991
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