Operation of a Two-Phase Reverse Loop Thermosyphon

doi:10.6180/jase.2015.18.3.06

機構典藏 > College of Engineering > Graduate Institute & Department of Mechanical and Electro-Mechanical Engineering > Journal Article > Item 987654321/104513

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Title:	Operation of a Two-Phase Reverse Loop Thermosyphon
Authors:	Meng-Chang Tsai;Shung-Wen Kang;Heng-Yi Li;Wen-Fa Tsai
Keywords:	Reverse-loop;Thermosyphon;Heat Transfer Downward;Cyclic Operation
Date:	2015-09-01
Issue Date:	2016-01-06 11:00:42 (UTC+8)
Abstract:	A prototype two-phase reverse-loop thermosyphon (RLT) was fabricated to transport thermal energy downwards to a thermal storage tank. The effect the filling ratio exerted on the thermal performance of the RTL was investigated by conducting experiments that were performed by a range between 47% and 63%. The prototype device comprised an evaporator, a condenser, a reservoir (preheater), and pipes connecting each of the components. The heat transport height was 1500 mm from the evaporator to the bottom of the condenser. Methanol with a concentration of 95% was used as the working fluid. The temperature distribution, temperature difference between the evaporator and condenser, and thermal resistance of the thermosyphon were measured. In addition, a cyclic case, in which the power in coils was alternately switched on and off according to a square wave function was studied. The results indicated that the maximal thermal performance of the RLT occurred when the filling ratio was 60% and the input power was 660 W
Relation:	Journal of Applied Science and Engineering=淡江理工學刊 18(3), pp.259-264
DOI:	10.6180/jase.2015.18.3.06
Appears in Collections:	[Graduate Institute & Department of Mechanical and Electro-Mechanical Engineering] Journal Article

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