In the last years, the thermoacoustic phenomena had risen the scientific community interest due to its implications in thermodynamics, heat transfer and acoustic matters, that make possible the conversion between sound and heat. This work aimed at exploring the Russell–Weibull refrigerator, analyzing the behavior of the different parts to achieve a good level of thermal separation, together with the capability of working standalone. Special attention was paid to all those parts that need to be designed properly with explanation of the physics that ruled them, such as the sound generator, the woofer box, the stack and the tube insulation. During the second part of the work, the results obtained are discussed, consistently showing that, if some expedients are adopted, this simple refrigerator can achieve a temperature difference of 24 °C. The design choices concerning materials and geometries had great influence on the device behavior.

An experimental analysis of a stand-alone standing wave thermoacoustic refrigerator / Allesina, G.. - In: INTERNATIONAL JOURNAL OF ENERGY AND ENVIRONMENTAL ENGINEERING. - ISSN 2008-9163. - 5:1(2014), pp. 1-8. [10.1007/s40095-014-0074-8]

An experimental analysis of a stand-alone standing wave thermoacoustic refrigerator

Allesina, G.
2014

Abstract

In the last years, the thermoacoustic phenomena had risen the scientific community interest due to its implications in thermodynamics, heat transfer and acoustic matters, that make possible the conversion between sound and heat. This work aimed at exploring the Russell–Weibull refrigerator, analyzing the behavior of the different parts to achieve a good level of thermal separation, together with the capability of working standalone. Special attention was paid to all those parts that need to be designed properly with explanation of the physics that ruled them, such as the sound generator, the woofer box, the stack and the tube insulation. During the second part of the work, the results obtained are discussed, consistently showing that, if some expedients are adopted, this simple refrigerator can achieve a temperature difference of 24 °C. The design choices concerning materials and geometries had great influence on the device behavior.
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An experimental analysis of a stand-alone standing wave thermoacoustic refrigerator / Allesina, G.. - In: INTERNATIONAL JOURNAL OF ENERGY AND ENVIRONMENTAL ENGINEERING. - ISSN 2008-9163. - 5:1(2014), pp. 1-8. [10.1007/s40095-014-0074-8]
Allesina, G.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/1159142
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