The two-microphone method incorporating the effects of mean flow and acoustic damping

Munjal, M. L. ; Doige, A. G. (1990) The two-microphone method incorporating the effects of mean flow and acoustic damping Journal of Sound and Vibration, 137 (1). pp. 135-138. ISSN 0022-460X

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Official URL: http://www.sciencedirect.com/science/article/pii/0...

Related URL: http://dx.doi.org/10.1016/0022-460X(90)90722-C

Abstract

Analytical expressions for the reflection coefficient and acoustic impedance of a passive termination, and intensity of the acoustic flux, have been derived incorporating the effects of mean flow as well as the acoustic damping. These expressions reduce to those available in the literature when one or both of these effects is dropped. Finally, the instability condition is derived and the stabilizing effect of the acoustic damping is demonstrated.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:70399
Deposited On:21 Nov 2011 09:22
Last Modified:21 Nov 2011 09:22

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