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Tuning of the extended concentric tube resonators

Chaitanaya, Choudary P and Munjal, ML (2011) Tuning of the extended concentric tube resonators. In: International Journal of Acoustics and Vibration, 16 (3). pp. 111-118.

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Official URL: http://dx.doi.org/10.4271/2011-26-0070

Abstract

It has been shown recently that the acoustic performance of the extended tube expansion chambers can be improved substantially by making the extended inlet and outlet equal to half and quarter chamber lengths, duly incorporating the end corrections due to the evanescent higher order modes that would be generated at the discontinuities. Such chambers however suffer from the disadvantages of high back pressure and generation of aerodynamic noise at the area discontinuities. These two disadvantages can be overcome by means of a perforated bridge between the extended inlet and extended outlet. This paper deals with design or tuning of these extended concentric tube resonators.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to SAE International.
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Depositing User: Id for Latest eprints
Date Deposited: 06 May 2013 12:08
Last Modified: 06 May 2013 12:08
URI: http://eprints.iisc.ac.in/id/eprint/46295

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