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Studies on conical and cylindrical resonators

Studies on conical and cylindrical resonators
Studies on conical and cylindrical resonators
Spectral features of conical and cylindrical Hartmann resonators are compared in this work through a systematic parametric study. Experiments have been conducted by varying the following parameters: stand-off distance, nozzle pressure ratio and cone angle. Resonance frequencies of conical cavities are found to be higher than those of cylindrical cavities of the same length. Low (?kHz) and high frequency (?10 kHz) modes are observed in the spectra. Low frequency modes show an oscillatory trend with stand-off distance. The high frequency tones are found to be independent of cavity geometry and cavity length, and are similar to jet impingement tones
0003-682X
1161-1175
Sreejith, G.J.
6a3f2bc3-688e-47c7-8788-a75064fc6393
Narayanan, S.
496a8ad5-626a-442f-b61a-cd2ab3f7731e
Jothi, T.J.S.
7971e84b-7b5e-4361-aaf6-8a78ce988012
Srinivasan, K.
a5367aa3-c40e-4c3c-825e-2d150a3e40c5
Sreejith, G.J.
6a3f2bc3-688e-47c7-8788-a75064fc6393
Narayanan, S.
496a8ad5-626a-442f-b61a-cd2ab3f7731e
Jothi, T.J.S.
7971e84b-7b5e-4361-aaf6-8a78ce988012
Srinivasan, K.
a5367aa3-c40e-4c3c-825e-2d150a3e40c5

Sreejith, G.J., Narayanan, S., Jothi, T.J.S. and Srinivasan, K. (2008) Studies on conical and cylindrical resonators. Applied Acoustics, 69 (12), 1161-1175. (doi:10.1016/j.apacoust.2007.11.009).

Record type: Article

Abstract

Spectral features of conical and cylindrical Hartmann resonators are compared in this work through a systematic parametric study. Experiments have been conducted by varying the following parameters: stand-off distance, nozzle pressure ratio and cone angle. Resonance frequencies of conical cavities are found to be higher than those of cylindrical cavities of the same length. Low (?kHz) and high frequency (?10 kHz) modes are observed in the spectra. Low frequency modes show an oscillatory trend with stand-off distance. The high frequency tones are found to be independent of cavity geometry and cavity length, and are similar to jet impingement tones

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More information

Published date: December 2008
Organisations: Inst. Sound & Vibration Research

Identifiers

Local EPrints ID: 353765
URI: http://eprints.soton.ac.uk/id/eprint/353765
DOI: doi:10.1016/j.apacoust.2007.11.009
ISSN: 0003-682X
PURE UUID: 09743e81-23d3-48c8-9ab4-9a240274a24a

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Date deposited: 20 Jun 2013 09:13
Last modified: 14 Mar 2024 14:09

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Contributors

Author: G.J. Sreejith
Author: S. Narayanan
Author: T.J.S. Jothi
Author: K. Srinivasan

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