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Experimental investigation of a thermoacoustic refrigerator driven by a standing wave twin thermoacoustic prime mover

Hariharan, NM and Sivashanmugam, P and Kasthurirengan, S (2013) Experimental investigation of a thermoacoustic refrigerator driven by a standing wave twin thermoacoustic prime mover. In: INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID, 36 (8). pp. 2420-2425.

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Official URL: http://dx.doi.org/10.1016/j.ijrefrig.2013.04.017

Abstract

The objective of this study is to analyse the performance of thermoacoustic refrigerator (TAR) measured in terms of hot end temperature and temperature difference across refrigerator stack with two different spacing namely 0.4 mm and 0.8 mm and stack used in refrigerating section was made of low thermal conductivity materials namely Mylar sheet and photographic film & the experiments were carried out at 1 MPa pressure using helium as working fluid. High powered acoustic wave with frequency of 460 Hz and pressure amplitude of congruent to 0.07 MPa was obtained from twin thermoacoustic prime mover (TAPM) and this acoustic wave produced temperature difference of 16 degrees C across the Mylar sheet stack made of 0.4 mm spacing in refrigerator section. From this study, it has been inferred that twin TAPM can act as efficient drive for TAR. (C) 2013 Elsevier Ltd and IIR. All rights reserved.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to the ELSEVIER SCI LTD, ENGLAND
Keywords: Thermo acoustic refrigerator; Twin-wave thermoacoustic prime mover; Spacing; Hot end temperature; Temperature difference
Department/Centre: Division of Physical & Mathematical Sciences > Centre for Cryogenic Technology
Depositing User: Id for Latest eprints
Date Deposited: 07 Mar 2014 07:34
Last Modified: 07 Mar 2014 07:34
URI: http://eprints.iisc.ac.in/id/eprint/48506

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