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Analysis of 3D printed stack in thermoacoustic cooling

Muhammad Nazmi Hadi, Roslan and Zolpakar, N. A. and Normah, Mohd-Ghazali and Fatimah Al-Zahrah, Mohd Saat (2021) Analysis of 3D printed stack in thermoacoustic cooling. Evergreen, 8 (1). pp. 131-137. ISSN 2189-0420

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Abstract

Inconsistencies in fabricated thermoacoustic stacks are due to the methods available to obtain the desired geometry and dimensions even under optimized design parameters. This paper presents performance results from stacks fabricated using 3D printing technology which minimizes the error, disposes of irregularities and can reduce production time. In this study, the performance of a thermoacoustic refrigerator was determined from measurements of the temperature difference across various 3D printed stack lengths fabricated. Experiments were done at 400 Hz frequency with different stack plate spacing and thickness, in a 21-mm diameter resonator. Results show that a 0.7 mm stack plate spacing with a 0.5 mm plate thickness performed better compared to those with smaller spacing at the same thickness or with the same spacing but larger thickness. The outcomes of this study have shown the need for the fabrication technology to keep pace with optimized design to realize global efforts towards a sustainable environment.

Item Type: Article
Additional Information: Indexed by Scopus
Uncontrolled Keywords: Thermoacoustic refrigerator; Performance; Stack; 3D printing
Subjects: T Technology > T Technology (General)
T Technology > TJ Mechanical engineering and machinery
Faculty/Division: Faculty of Engineering Technology
Depositing User: Mrs Norsaini Abdul Samat
Date Deposited: 07 Sep 2021 04:49
Last Modified: 07 Sep 2021 04:49
URI: http://umpir.ump.edu.my/id/eprint/31933
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