DEVELOPMENT OF NUMERICAL SIMULATION METHOD FOR PREDICTING DEHUMIDIFICATION PERFORMANCE OF DESICCANT ROTORS

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  • YOSHIE Ryuichiro
    Prof., Department of Architecture, Faculty of Eng., Tokyo Polytechnic University, Dr. Eng.
  • YAMAGUCHI Fukutaro
    Graduate Student, Graduate School of Eng., Tokyo Polytechnic University
  • HOSHINO Kazuto
    Sinko Industries Research & Development Institute, Sinko Industries Ltd.
  • MOMOI Yoshihisa
    Assistant Prof., Graduate School of Eng., Osaka University, Dr. Eng.
  • SATAKE Akira
    Technical Research Institute, Maeda Corporation, Dr. Eng.
  • YOSHINO Hiroshi
    Prof., Graduate School of Eng., Tohoku University, Dr. Eng.

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Other Title
  • ロータ式デシカント空調機の除湿性能予測を目的とした数値シミュレーション手法の開発
  • ロータシキ デシカント クウチョウキ ノ ジョシッセイノウ ヨソク オ モクテキ ト シタ スウチ シミュレーション シュホウ ノ カイハツ

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Abstract

We investigated a numerical method for simulating combined heat and moisture transfer processes in desiccant rotors. This method can be used to evaluate dehumidification performance of desiccant rotors. For the numerical simulation, the moisture transfer coefficient between the desiccant surface and air is required. However, the coefficient varies during the adsorption-desorption process, and it strongly affects the simulation result. Thus, we propose a method for identifying and generalizing it by a simple experiment. The numerical simulation incorporating the generalized moisture transfer coefficient was found to quite successfully predict the dehumidification performance of desiccant rotors.

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