期刊
CASE STUDIES IN THERMAL ENGINEERING
卷 20, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.csite.2020.100638
关键词
Heat spreading; Thermal resistance; Cold plate heat sink; Heat transfer; Liquid impingement
资金
- Excellent Center for Sustainable Engineering (ECSE)
- Faculty of Engineering of the Srinakharinwirot University (SWU)
This paper presents the heat spreading of the cold plate heat sink with different fin shapes (rectangular, circular, conical) using the jet impingement technique impinging on the heating surface. The parametric monitoring mainly focused on the liquid mass flow rate, inlet coolant temperature, and fin shapes are investigated. The results showed that the fin shapes of the heat sink influencing its total thermal resistance but small decrement in heat spreading resistance. By fixing other parameters and a jet-plate spacing to jet diameter ratios H/D = 0.8 is considered, it is shown that the circular fin has a higher thermal performance by lowering thermal resistance of the heatsink for 12%, and 25% compared with the rectangular and the conical fin, respectively. More importantly, the lower coolant temperature is reduced heat spreading, results in total thermal resistance are developed. The numerical was carried out, and the clear temperature distribution phenomena with different fin shapes are obtained, which contribute to the heat spreading, spreading resistance, and thermal resistance to the cold plate heat sink for cooling in electronic applications.
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