Effect of desiccant isotherm on the performance of desiccant wheel |
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| Authors: | Jae Dong Chung Dae-Young Lee |
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| Affiliation: | 1. Department of Mechanical Engineering, Sejong University, Seoul 143-747, Republic of Korea;2. Korea Institute of Science and Technology, Seoul 136-791, Republic of Korea;1. Energy Mechanics Center, Korea Institute of Science and Technology, P.O. Box 131, Cheongryang, Seoul 130-650, Republic of Korea;2. Department of Mechanical Engineering, Korea National University of Transportation, 50 Daehak-ro, Chungju-si, Chungbuk 380-702, Republic of Korea;1. Center for Urban Energy Research, Korea Institute of Science and Technology, Seoul, 02792, Republic of Korea;2. Thermal Energy Conversion Laboratory, Korea Institute of Energy Research, Daejeon, 34129, Republic of Korea;1. School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China;2. International Centre for Indoor Environment and Energy, Technical University of Denmark, Lyngby DK-2800, Denmark;1. Commonwealth Scientific and Industrial Research Organisation, 10 Murray Dwyer Cr., Mayfield West 2304, Australia;2. Commonwealth Scientific and Industrial Research Organisation, Newcastle 2304, Australia |
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| Abstract: | Numerical simulation has been conducted for the desiccant wheel, which is the crucial component of a desiccant cooling system. As the key operating/design parameters, the rotation speed and the area ratio of regeneration to dehumidification have been examined for a range of regeneration temperature from 50 °C to 150 °C. Optimization of these parameters is conducted based on the wheel performance evaluated by means of Moisture Removal Capacity (MRC). Simulations are focused on the effect of desiccant isotherm on the optimal conditions of these operating/design parameters. Also the effects of the outdoor air temperature and humidity on the optimum design parameters are examined. |
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