Evaluation of the acoustic impedance of a screen
- 1 June 1977
- journal article
- research article
- Published by Cambridge University Press (CUP) in The Journal of the Australian Mathematical Society. Series B. Applied Mathematics
- Vol. 20 (1) , 46-61
- https://doi.org/10.1017/s0334270000001442
Abstract
A direct numerical computation is provided for the impedance of a screen consisting of a regular array of slits in a plane wall. The problem is solved within the framework of oscillatory Stokes flow, and results presented as a function of porosity, frequency and viscosity.Keywords
This publication has 1 reference indexed in Scilit:
- Unsteady flow of a viscous fluid from a source in a wallJournal of Fluid Mechanics, 1970