Solar Powered Dehumidification Systems Using Desert Evaporative Coolers: Review
Talal K. Kassem1, Ali S. Alosaimy2, Ahmed M. Hamed3, Mohammad Fazian4
1Talal K. Kassem, Department of Mechanical Engineering, Faculty of Mechanical and Electrical Engineering, Damascus University, Syria. Ahmed.
2Ali S. Alosaimy,  Department of Mechanical Engineering, College of Engineering, Taif University, Saudi Arabia.
3M. Hamed, Mechanical Power Engineering, Faculty of Engineering, Mansoura University, Mansoura, Egypt.
4Mohammad Fazian, Department of Mechanical Engineering, College of Engineering, Taif University, Saudi Arabia.
Manuscript received on September 22, 2013. | Revised Manuscript received on October 16, 2013. | Manuscript published on October 30, 2013. | PP: 115-128  | Volume-3, Issue-1, October 2013. | Retrieval Number:  A2180103113/2013©BEIESP

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Abstract: This paper gives a detailed account of the general features of the major desiccant regeneration techniques and configurations of the related systems; meanwhile, attention has been paid to both technological development of solar powered regenerator, which is a key component of the liquid-desiccant dehumidification system. Studies to improve the system performance have been discussed. Benefits and conditions of the use of liquid desiccant for dehumidification purposes have been stated. It is clear from the survey that the desiccant dehumidification is more energy-efficient compared with the conventional vapor compression system. Moreover, new configurations of the solar regenerator, to improve the system performance, have been demonstrated. Some new hybrid systems that greatly expand the desiccant in residential applications, as well as effectively promoting the single system’s performance, are also introduced.
Keywords: Dehumidification, Cooling, Liquid desiccant, Solar, Regenerator.