Investigation of thermoacoustic cooler

Azizizol, Nurul Fazira (2021) Investigation of thermoacoustic cooler. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Thermoacoustic cooler system is an alternative cooling system that transport heat using acoustic power. The system is simple, but the theory is a bit difficult to understand. A common thermoaocoustic cooler consist a loudspeaker, stack, heat exchanger and a resonator. The objectives of this project is to fabricate a thermoacoustic cooler system for experimentation using suitable measurement method, to identify resonance frequency of the available thermoaocustic cooler apparatus and to evaluate temperature drop of thermoaocustic cooler using different stack. The resonator tube is made from PVC pipe and filled with atmospheric air. The methodology describes suitable design for thermoacoustic cooler system. The Conceptual Design have been designed in details based on the selection of the importance parameter and criteria which included stack and cooler box. In this study, the thermoacoustic cooler system is operating with 124.9 Hz with copper tube as heat exchangers. Results showed that the temperature difference across the stack is about 12.17 oC. Morever, the cooler box which may be used to store the medicine is designed and installed at the cold heat exchanger in this study to see the cooling performance. However, the effectivess of the cooler box is still lacking in terms of heat transfer which to transfer heat to the environment or cooler box. In this project, the results are discussed, and recommendations for further research on flow inside thermacoustic systems are provided in certain Chapters.

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