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Unsteady flow with attenuation in a fluid filled elastic tube with a stenosis

Rao, A Ramachandra (1983) Unsteady flow with attenuation in a fluid filled elastic tube with a stenosis. In: Acta Mechanica, 49 (3-4). pp. 201-208.

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Abstract

An equation governing the excess pressure has been derived, for an axially tethered and stenosed elastic tube filled with viscous liquid, by introducing the elasticity of the tube through pressure-area relation. This equation is solved numerically for large Womersley parameter and the results are presented for different types of pressure-radius relations and geometries by prescribing an outgoing wave suffering attenuation at some axial point of the tube. For a locally constricted tube it is observed that the pressure oscillates more and generates sound on the down stream side of the constriction.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Springer.
Department/Centre: Division of Physical & Mathematical Sciences > Mathematics
Date Deposited: 18 Nov 2009 10:19
Last Modified: 19 Sep 2010 05:31
URI: http://eprints.iisc.ernet.in/id/eprint/20168

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