The impact of working gas on heat transfer performance of tube banks heat exchanger in a thermoacoustic system
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Universiti Malaysia Perlis (UniMAP)
2022
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my.unimap-760912022-08-25T01:52:14Z The impact of working gas on heat transfer performance of tube banks heat exchanger in a thermoacoustic system Fatimah Al Zahrah, Mohd Saat Lin, Chou Aw Fatimah Al Zahrah, Mohd Saat Fadhliah, Shikh Anuar Mohamad Firdaus, Sukri Mohd Zaid, Akop Saechan, Patcharin fatimah@utem.edu.my Fakulti Kejuruteraan Mekanikal (FKM), Universiti Teknikal Malaysia Melaka (UTeM) Green and Efficient Energy Technology (GrEET), Centre for Advanced Research on Energy (CARe), Universiti Teknikal Malaysia Melaka (UTeM) Centre of Excellence Geopolymer and Green Technology, Universiti Malaysia Perlis (UniMAP) Fakulti Teknologi Kejuruteraan Mekanikal & Pembuatan (FTKMP), Universiti Teknikal Malaysia Melaka (UTeM) Faculty of Engineering, King Mongkut’s University of Technology North Bangkok CFD Heat transfer Helium gas Thermoacoustics system Link to publisher's homepage at http://ijneam.unimap.edu.my Thermoacoustic system is a system introduced as an alternative technology for refrigerators or heat engine because it uses environmentally friendly gases as a working medium. Thermoacoustic system usually uses noble gaseous as working medium and air has been widely used since it is available abundantly and easy to handle when performing experiment. Other than air, helium is also frequently used in thermoacoustic system because its low Prandtl number is expected to improve the performance of thermoacoustic system. This paper reports the computational results of heat transfer performance across tube banks heat exchanger when air and helium are used in thermoacoustic environment. The transient cases of thermoacoustics were solved using the Shear-Stress-Transport k-ω turbulence model. The model was first validated with experimental results with air as the working fluid. The validated model was then solved for helium. Results showed that helium offers higher Nusselt number (6.52%) and Colburn-j factor (11.25%) compared to air at lower Reynolds number. Hence, the study suggests that the use of helium gas is favorable if better heat transfer is to be achieved in thermoacoustic energy system. 2022-08-25T01:52:14Z 2022-08-25T01:52:14Z 2022-03 Article International Journal of Nanoelectronics and Materials, vol.15 (Special Issue), 2022, pages 393-404 1985-5761 (Printed) 2232-1535 (online) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/76091 http://ijneam.unimap.edu.my en Special Issue ISSTE 2022; Universiti Malaysia Perlis (UniMAP) |
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CFD Heat transfer Helium gas Thermoacoustics system |
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CFD Heat transfer Helium gas Thermoacoustics system Fatimah Al Zahrah, Mohd Saat Lin, Chou Aw Fatimah Al Zahrah, Mohd Saat Fadhliah, Shikh Anuar Mohamad Firdaus, Sukri Mohd Zaid, Akop Saechan, Patcharin The impact of working gas on heat transfer performance of tube banks heat exchanger in a thermoacoustic system |
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Link to publisher's homepage at http://ijneam.unimap.edu.my |
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fatimah@utem.edu.my |
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fatimah@utem.edu.my Fatimah Al Zahrah, Mohd Saat Lin, Chou Aw Fatimah Al Zahrah, Mohd Saat Fadhliah, Shikh Anuar Mohamad Firdaus, Sukri Mohd Zaid, Akop Saechan, Patcharin |
| format |
Article |
| author |
Fatimah Al Zahrah, Mohd Saat Lin, Chou Aw Fatimah Al Zahrah, Mohd Saat Fadhliah, Shikh Anuar Mohamad Firdaus, Sukri Mohd Zaid, Akop Saechan, Patcharin |
| author_sort |
Fatimah Al Zahrah, Mohd Saat |
| title |
The impact of working gas on heat transfer performance of tube banks heat exchanger in a thermoacoustic system |
| title_short |
The impact of working gas on heat transfer performance of tube banks heat exchanger in a thermoacoustic system |
| title_full |
The impact of working gas on heat transfer performance of tube banks heat exchanger in a thermoacoustic system |
| title_fullStr |
The impact of working gas on heat transfer performance of tube banks heat exchanger in a thermoacoustic system |
| title_full_unstemmed |
The impact of working gas on heat transfer performance of tube banks heat exchanger in a thermoacoustic system |
| title_sort |
impact of working gas on heat transfer performance of tube banks heat exchanger in a thermoacoustic system |
| publisher |
Universiti Malaysia Perlis (UniMAP) |
| publishDate |
2022 |
| url |
http://dspace.unimap.edu.my:80/xmlui/handle/123456789/76091 |
| _version_ |
1751537873537990656 |