A Study of the Response of a Small Porous Chamber to Forced Oscillation

[+] Author and Article Information
R. L. Peskin, E. Martinez

Mechanical Engineering Department, Rutgers University, New Brunswick, N. J.

J. Basic Eng 88(1), 25-32 (Mar 01, 1966) (8 pages) doi:10.1115/1.3645822 History: Received July 23, 1965; Online November 03, 2011


An analytical investigation of the pressure response to forced volume oscillations of a shallow cylindrical chamber with a porous end is undertaken. Investigation is in the frequency domain. Both infinite and finite-length chambers are considered. The irreversible gas flow introduces a frequency-dependent phase angle between volume and pressure change. Pressure leads volume at low frequency, and the phase angle becomes zero at high frequency. Curve characteristics suggest applications such as gas damping of vibrating systems.

Copyright © 1966 by ASME
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