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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/107350

    Title: Operational Characteristics Of A Reverse Thermosyphon Loop With a Large Pre-Heat Accumulator
    Authors: Tsai, Meng-Chang;Li, Heng-Yi;Tsai, Wen-Fa;Kang, Shung-Wen
    Keywords: reverse-loop;thermosyphon;heat transfer downward;cyclic operation
    Date: 2015-09-07
    Issue Date: 2016-08-18 13:38:30 (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 RLT 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: IX Conference “Minsk International Seminar “Heat Pipes, Heat Pumps, Refrigerators, Power Sources”會議論文集
    Appears in Collections:[機械與機電工程學系暨研究所] 會議論文

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