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Experimental and numerical investigation on fluid flow and heat transfer behaviour of foam cladded pin fin heat sink
Date
2024-11-01
Author
Güler, Nursel
Bayer, Özgür
SOLMAZ, İsmail
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As technology advances, there is a growing demand for more efficient cooling solutions in electronics. Open-cell metal foams offer a unique solution, combining the strength of metals with the characteristics of foams, including being lightweight and having a high heat transfer area-to-volume ratio. Fully covering heatsinks with porous materials results in high pressure drop values, which is undesirable for electronics cooling. This study proposes a novel design that incorporates cladded aluminum foams on the pin fins within a heatsink. The hydrothermal performance of the proposed design is experimentally and numerically investigated. The results indicate that increasing the cladding thickness enhances heat transfer performance while increasing the pressure drop. For a heatsink with a pin fin diameter of 5 mm at the Reynolds number of 1121, the foam thickness of 5 mm depicts 46.5 % higher hydrothermal performance compared to a pin fin heatsink without porous while a fully porous covered heatsink depicts 38.9 % higher hydrothermal performance.
Subject Keywords
Cooling of electronic components
,
Foam cladded pin fin
,
Heat sink
,
Open-cell metal foam
URI
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85201492356&origin=inward
https://hdl.handle.net/11511/111135
Journal
Applied Thermal Engineering
DOI
https://doi.org/10.1016/j.applthermaleng.2024.124184
Collections
Department of Mechanical Engineering, Article
Citation Formats
IEEE
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BibTeX
N. Güler, Ö. Bayer, and İ. SOLMAZ, “Experimental and numerical investigation on fluid flow and heat transfer behaviour of foam cladded pin fin heat sink,”
Applied Thermal Engineering
, vol. 256, pp. 0–0, 2024, Accessed: 00, 2024. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85201492356&origin=inward.