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    Please use this identifier to cite or link to this item: https://irlib.pccu.edu.tw/handle/987654321/26654


    Title: Thermal performance enhancement of a periodic total heat exchanger using energy-storage material
    Authors: Chang, CC (Chang, Chih-Chung)
    Lai, CH (Lai, Ching-Hsien)
    Yang, CM (Yang, Cheng-Min)
    Chiang, YC (Chiang, Yuan-Ching)
    Chen, SL (Chen, Sih-Li)
    Contributors: Dept Mech Engn
    Keywords: Periodic total heat exchanger
    Energy-storage material
    Operating period
    Date: 2013-12
    Issue Date: 2014-02-21 14:25:13 (UTC+8)
    Abstract: A periodic total heat exchanger is a double flow circuit heat exchange device, which is improved by a membrane-based energy recovery ventilator with two additional fans to change the flow direction. Similar to membrane-based energy recovery ventilators, the deficiency of latent heat effectiveness poses a problem. Thus, this paper investigates the usage of energy-material in the periodic total heat exchanger to enhance the device performance. Three types of energy-storage materials, activated carbon, aluminum, and a mixture of activated carbon and aluminum are respectively installed and experimentally investigated. The results show that adding activated carbon to the device increases the latent heat effectiveness by 17.3%. Also, installing aluminum results in an increment of 15.1% on the sensible heat effectiveness. Finally, among the three types of energy-storage materials, the device with activated carbon has the best performance, with an increment of the total heat effectiveness of up to 11.7%. (C) 2013 Elsevier B.V. All rights reserved.
    Relation: ENERGY AND BUILDINGS Volume: 67 Pages: 579-586
    Appears in Collections:[Department of Mechanical Engineering ] journal articles

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