Chaitanya, P and Munjal, ML (2011) Experimental validation of the 1-D acoustical model for conical concentric tube resonators with moving medium. In: Noise Control Engineering Journal (NCEJ), 59 (2). pp. 158-164.
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Variable cross-sectional area ducts are often used for attenuation at lower frequencies (of the order of firing frequency), whereas concentric tube resonators provide attenuation at relatively higher frequencies. In this paper, analysis of one dimensional control volume approach of conical concentric tube resonators is validated experimentally. The effects of mean flow and taper are investigated. The experimental setup is specially designed to measure the pressure transfer function in the form of Level Difference or Noise Reduction across the test muffler. It is shown that there is a reasonably good agreement between the predicted values of the Noise Reduction and the measured ones for incompressible mean flow as well as stationary medium. (C) 2011 Institute of Noise Control Engineering.
| Item Type: | Journal Article |
|---|---|
| Publication: | Noise Control Engineering Journal (NCEJ) |
| Publisher: | The Institute of Noise Control Engineering of the USA (INCE/USA) |
| Additional Information: | Copyright of this article belongs to The Institute of Noise Control Engineering of the USA (INCE/USA). |
| Department/Centre: | Division of Mechanical Sciences > Mechanical Engineering |
| Date Deposited: | 26 Apr 2011 10:06 |
| Last Modified: | 26 Apr 2011 10:06 |
| URI: | http://eprints.iisc.ac.in/id/eprint/37147 |
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