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Energies 2016, 9(4), 305; doi:10.3390/en9040305

Parametric Analysis of a Rotary Type Liquid Desiccant Air Conditioning System

1
Department of Mechanical Engineering, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
2
Center for Engineering Research, Research Institute, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
3
Petroleum and Natural Gas Engineering Department, College of Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia
4
Geology Department, Faculty of Science, Benha University, P.O. Box 13518, Benha 345629, Egypt
*
Author to whom correspondence should be addressed.
Academic Editor: Kamel Hooman
Received: 1 March 2016 / Revised: 30 March 2016 / Accepted: 13 April 2016 / Published: 21 April 2016
View Full-Text   |   Download PDF [1879 KB, uploaded 21 April 2016]   |  

Abstract

Now days, air conditioning systems are a must for almost every commercial and residential building to achieve comfortable indoor conditions. The increasing energy demand, and increasing oil prices and pollution levels raise the need for alternative air conditioning systems which can efficiently utilize renewable energy resources. The liquid desiccant-based air conditioning method is pollution free and thermal energy-based cooling techniques can use low grade thermal energy resources like solar energy, waste heat, etc. These systems have an additional advantage of cleaning bacteria and fungi from the air. In this paper, a newly proposed rotary liquid desiccant air conditioning system has been investigated theoretically. Most direct contact liquid desiccant cooling systems have the problem of desiccant carryover which can be eliminated using the proposed system. The effects of various key parameters and climatic conditions on the performance of the system have been evaluated. The results showed that if the key parameters of the system are controlled effectively, the proposed cooling system has the ability to achieve the desired supply air conditions. The system can achieve high coefficient of performance (COP) under different conditions. The dehumidifier has a sensible heat ratio (SHR) in the range of 0.3–0.6 for different design, climatic, and operating conditions. The system can remove latent load efficiently in applications which require good humidity control. View Full-Text
Keywords: thermal cooling; liquid desiccant dehumidification; rotary wheel; parametric study; solar energy thermal cooling; liquid desiccant dehumidification; rotary wheel; parametric study; solar energy
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Rafique, M.M.; Rehman, S.; Alhems, L.M.; Lashin, A. Parametric Analysis of a Rotary Type Liquid Desiccant Air Conditioning System. Energies 2016, 9, 305.

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