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Effect of impinging flow on hydrothermal characteristics of a pipe-network mini channel heatsink
Date
2024-05-01
Author
Salamatbakhsh, Elyas
Bayer, Özgür
SOLMAZ, İsmail
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In the current work, a lattice-structured mini channel heatsink is subjected to an impinging flow (IF) in which the flow enters from the top and exits from the lateral sides. An experimental setup is built, and numerical simulations are performed. The hydrothermal performance of the heatsink subjected to the IF is investigated and compared with the same heatsink when a cross flow (CF) enters from one side and exits from another. The pressure drops, overall thermal resistances, and heat transfer coefficients are scrutinized for the mass flow rates between 2 and 5 gr.s−1. The cases with CF depict superior thermal performance at the same mass flow rates; however, the pressure drops are greater than those with the IF. The IF case leads to lower thermal resistances at the same pumping powers such that when the pumping power is approximately 0.75W, thermal resistance for the IF is 17.1% lower than CF. The heat fluxes proportional to the maximum base temperatures of the heatsink are calculated. For the critical base temperature of 75°C, the allowable heat flux of the heatsink is in the range of 2.24−4.33W/cm2 for the studied mass flow rates.
Subject Keywords
CFD
,
Electronics cooling
,
Forced convection
,
Porous media
URI
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85188131567&origin=inward
https://hdl.handle.net/11511/109352
Journal
International Communications in Heat and Mass Transfer
DOI
https://doi.org/10.1016/j.icheatmasstransfer.2024.107407
Collections
Department of Mechanical Engineering, Article
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BibTeX
E. Salamatbakhsh, Ö. Bayer, and İ. SOLMAZ, “Effect of impinging flow on hydrothermal characteristics of a pipe-network mini channel heatsink,”
International Communications in Heat and Mass Transfer
, vol. 154, pp. 0–0, 2024, Accessed: 00, 2024. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85188131567&origin=inward.