Experimental study on a two-stage rotary desiccant cooling system |
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| Authors: | T.S. Ge Y. Li R.Z. Wang Y.J. Dai |
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| Affiliation: | 1. Merchant Marine College, Shanghai Maritime University, Shanghai 201306, China;2. Department of Mechanical Engineering—Engineering Mechanics, Michigan Technological University, Houghton, MI 49931, USA;1. Energy Engineering Department, University of Engineering and Technology, Taxila, Pakistan;2. Department of Mechanical Engineering, Faculty of Engineering and Technology, HITEC University, Taxila 47080, Pakistan;3. Mechanical Engineering Department, University of Engineering and Technology, Taxila, Pakistan;1. Mech. Power Eng. Dept., Faculty of Engineering, Helwan University, Cairo, Egypt;2. Mech. Power Eng. Dept., Faculty of Technological Studies, PAAET, Kuwait |
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| Abstract: | The objectives of this study were to evaluate the performance of a novel two-stage rotary desiccant cooling (TSRDC) system and to obtain useful data and experiences for practical application. Newly developed compound desiccant (silica gel–haloids) was adopted in the system. An experimental set-up was built and used to test the system performance under three typical environmental conditions. System performances were evaluated in terms of moisture removal D and thermal coefficient of performance COPth. It has found that the required regeneration temperature of TSRDC system is low and COPth of the system is high. Regeneration temperatures from 65 °C to 80 °C, 65 °C to 75 °C and 80 °C to 90 °C were recommended for each environmental condition. In addition, the effects of some important operating parameters, such as inlet temperature and humidity ratio of process and regeneration air, on system performance were also investigated in this study. |
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