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Experimental investigation on the effect of heat sink temperature on operational characteristics of a new-type loop heat pipe
Tianjin Key Laboratory of Refrigeration technology, Tianjin University of Commerce, Tianjin 300134, China.
Tianjin Key Laboratory of Refrigeration technology, Tianjin University of Commerce, Tianjin 300134, China.
Mälardalen University, School of Business, Society and Engineering, Future Energy Center. Tianjin Key Laboratory of Refrigeration technology, Tianjin University of Commerce, Tianjin 300134, China.ORCID iD: 0000-0002-6279-4446
Tianjin Key Laboratory of Refrigeration technology, Tianjin University of Commerce, Tianjin 300134, China.
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2019 (English)In: Energy Procedia, Elsevier Ltd , 2019, Vol. 158, p. 2423-2429Conference paper, Published paper (Refereed)
Abstract [en]

With the development of the miniaturization and the high integration of electronic chip, the thermal management of the high power electronic becomes a major challenge. In this paper the influence of heat sink temperature on operational characteristics was comprehensively conducted and the 35% of charging ratio was selected through the experiment study. To evaluate the LHP system, temperatures, start-up time, thermal resistance, and evaporator heat transfer coefficient were selected as performance indicators. The result showed that, there existed an optimal heat sink temperature (18 o C) to obtain the lowest evaporator bottom temperature (77 o C), the shortest start-up time (1000s), the smallest thermal resistance (0.29k/W), and the highest evaporator heat transfer coefficient (3.110 4 W/(m 2 ·k)). The temperature range to keep a high performance of LHP system was 14-20 o C. The conclusion obtained through the experiment can provide the reference of design the cooling system when the LHP system applied into the electric cooling.

Place, publisher, year, edition, pages
Elsevier Ltd , 2019. Vol. 158, p. 2423-2429
Keywords [en]
Heat sink temperature, Loop heat pipe, Operational characteristics, Pressure head of evaporation
National Category
Other Engineering and Technologies
Identifiers
URN: urn:nbn:se:mdh:diva-43141DOI: 10.1016/j.egypro.2019.01.298ISI: 000471031702120Scopus ID: 2-s2.0-85063900961OAI: oai:DiVA.org:mdh-43141DiVA, id: diva2:1305764
Conference
10th International Conference on Applied Energy (ICAE2018), 22-25 August 2018, Hong Kong, China
Available from: 2019-04-18 Created: 2019-04-18 Last updated: 2019-07-11Bibliographically approved

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Li, Hailong

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