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Heat Pipe Science and Technology, An International Journal

ISSN Print: 2151-7975
ISSN Online: 2151-7991

Archives: Volume 1, 2010 to Volume 8, 2017

Heat Pipe Science and Technology, An International Journal

DOI: 10.1615/HeatPipeScieTech.v5.i1-4.360
pages 327-334

RESEARCH ON OPERATING PARAMETERS OF COPPER-WATER LOOP HEAT PIPES WITH FLAT EVAPORATOR

M. Chernysheva
Institute of Thermal Physics, Ural Branch of the Russian Academy of Sciences, Ekaterinburg, 620016, Russia
Svetlana I. Yushakova
Institute of Thermal Physics, Ural Branch of the Russian Academy of Sciences, 106 Amundsen St., Ekaterinburg 620016, Russia
Yury F. Maydanik
Institute of Thermal Physics, Ural Branch of the Russian Academy of Sciences, 107a Amundsen Str., Yekaterinburg, 620016, Russia

ABSTRACT

Copper-water loop heat pipes (LHPs) with an effective length of 400 mm for electronics cooling were designed and tested. The LHPs were equipped with a flat-oval evaporator (the thick is 7 mm, length including the compensation chamber is 80 mm and width is 42 mm) with one-sided heat supply. The influence of cooling temperature on the LHP operating characteristics was a central issue of this research. The condenser was cooled by water with temperatures from 20 to 80°C. The heat load varied in the range from 20 to 600 W. A mathematical model for prediction the LHP operating temperature was developed. It takes into the consideration three operation modes of the loop heat pipe. The paper presents simulation results and their analysis.


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