THERMAL SCIENCE

International Scientific Journal

EFFECT OF PRIME MOVER REGENERATOR RADIUS ON THE PERFORMANCE AND CHARACTERISTIC OF ACOUSTIC FIELD OF THERMOACOUSTIC REFRIGERATOR DRIVEN BY PRIME MOVER

ABSTRACT
Refrigerated truck is indispensable transportation for food and medicine. However, the truck has been using the harmful substance such as CFC or HCFC. Therefore, an alternative cooler is essential such as thermoacoustic refrigerator. The refrigerator is driven by the thermoacoustic heat engine (prime mover), so the prime mover can convert the thermal or waste heat into the acoustic energy for driving the refrigerator. There are some parameters that can improve the efficiency of the refrigerator system. The aim is to investigate the impact of prime mover regenerator radius on the efficiency and characteristic of acoustic field. It was found that the best performance of the whole refrigeration system was achieved when the radius is 0.68. The engine and cooler efficiency are 84% and 38%, respectively. In addition, the acoustic field characteristic was also analyzed to elucidate the mechanism in the refrigerator system.
KEYWORDS
PAPER SUBMITTED: 2023-04-23
PAPER REVISED: 2023-09-18
PAPER ACCEPTED: 2023-09-27
PUBLISHED ONLINE: 2023-11-11
DOI REFERENCE: https://doi.org/10.2298/TSCI230423225F
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2024, VOLUME 28, ISSUE Issue 2, PAGES [1837 - 1848]
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© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence