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Entropy 2016, 18(6), 128; doi:10.3390/e18060128

Experimental Study of Single Phase Flow in a Closed-Loop Cooling System with Integrated Mini-Channel Heat Sink

1
Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, China
2
Key Laboratory of New Lithium-ion Batteries and Mesoporous Materials of Shenzhen City, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
3
School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
*
Author to whom correspondence should be addressed.
Academic Editor: Milivoje M. Kostic
Received: 16 November 2015 / Revised: 28 March 2016 / Accepted: 1 April 2016 / Published: 2 June 2016
(This article belongs to the Section Thermodynamics)
View Full-Text   |   Download PDF [3508 KB, uploaded 2 June 2016]   |  

Abstract

The flow and heat transfer characteristics of a closed-loop cooling system with a mini-channel heat sink for thermal management of electronics is studied experimentally. The heat sink is designed with corrugated fins to improve its heat dissipation capability. The experiments are performed using variable coolant volumetric flow rates and input heating powers. The experimental results show a high and reliable thermal performance using the heat sink with corrugated fins. The heat transfer capability is improved up to 30 W/cm2 when the base temperature is kept at a stable and acceptable level. Besides the heat transfer capability enhancement, the capability of the system to transfer heat for a long distance is also studied and a fast thermal response time to reach steady state is observed once the input heating power or the volume flow rate are varied. Under different input heat source powers and volumetric flow rates, our results suggest potential applications of the designed mini-channel heat sink in cooling microelectronics. View Full-Text
Keywords: thermal management; mini-channel heat sink; corrugated fins; single phase flow thermal management; mini-channel heat sink; corrugated fins; single phase flow
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Ma, L.; Zhao, X.; Sun, H.; Wu, Q.; Liu, W. Experimental Study of Single Phase Flow in a Closed-Loop Cooling System with Integrated Mini-Channel Heat Sink. Entropy 2016, 18, 128.

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