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http://dx.doi.org/10.7776/ASK.2009.28.1.019

A Study on the Stack Temperature Profile of a Standing Wave Thermoacoustic Cooler  

Paek, In-Su (강원대학교 공과대학 기계.메카트로닉스 공학부)
Publication Information
The Journal of the Acoustical Society of Korea / v.28, no.1, 2009 , pp. 19-24 More about this Journal
Abstract
Investigations of the relation between the stack temperature profile of a standing wave thermoacoustic cooler and the cooling efficiency were performed. Based on the mathematical derivations using the Rott Equation, it was found that the temperature profile along the stack becomes nonlinear as the enthalpy flux passing through the stack increases. It was also found that such nonlinear temperature profiles lower the cooling efficiency. Simulations using a thermoacoustic simulation program called DELTAE showed that the nonlinear temperature profile occurs with a long stack and large cooling load.
Keywords
Thermoacoustic cooling; Stack temperature profile; Cooling efficiency; Standing wave;
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