Adsorption performance of round fin and tube type adsorber employing activated carbon fiber/ethanol pair

Keishi Kariya, Ryo Tateishi, Ken Kuwahara, Bidyut Baran Saha, Shigeru Koyama

    研究成果: Chapter in Book/Report/Conference proceedingConference contribution

    1 被引用数 (Scopus)

    抄録

    The severity of the ozone layer destruction problem has been calling for rapid developments in environment friendly adsorption cooling systems. However, the widespread dissemination of adsorption system is hindered due to its poor performance, which mainly results from the inadequate design of adsorber/desorber heat exchanger. The present paper deals with the numerical investigation on the adsorption performance of a round fin-and-tube type adsorber/desorber heat exchanger using activated carbon fiber (ACF)-ethanol as adsorbent-refrigerant pair. The effects of the local heat and mass transfer as well as the fin geometry of the adsorber/desorber are accounted in the present two-dimensional modeling. Adsorption performance have been determined varying five parameters, such as the ACF bed apparent density, fin thickness, fin pitch, fin height and tube diameter along with evaporator and cooling water inlet temperatures. The results show that the adsorption performances increase by optimizing the tube diameter, fin height and fin pitch. It is also found that all parameters have some influence on the optimum adsorption cycle time and the optimum cycle time is found to be around 150 s.

    本文言語英語
    ホスト出版物のタイトル2007 Proceedings of the ASME/JSME Thermal Engineering Summer Heat Transfer Conference - HT 2007
    ページ829-835
    ページ数7
    DOI
    出版ステータス出版済み - 2007
    イベント2007 ASME/JSME Thermal Engineering Summer Heat Transfer Conference, HT 2007 - Vancouver, BC, カナダ
    継続期間: 7 8 20077 12 2007

    出版物シリーズ

    名前2007 Proceedings of the ASME/JSME Thermal Engineering Summer Heat Transfer Conference - HT 2007
    3

    その他

    その他2007 ASME/JSME Thermal Engineering Summer Heat Transfer Conference, HT 2007
    国/地域カナダ
    CityVancouver, BC
    Period7/8/077/12/07

    All Science Journal Classification (ASJC) codes

    • 電子工学および電気工学
    • 機械工学
    • 凝縮系物理学

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