Feasibility of using solar pv waste heat to regenerate liquid desiccant in solar liquid desiccant air conditioning system

Zulkurnain Hassan and Mohd Suffian Misaran@Misran and Nancy Julius Siambun and Ag Sufiyan Abd Hamid and Mohd Amran Madlan (2021) Feasibility of using solar pv waste heat to regenerate liquid desiccant in solar liquid desiccant air conditioning system. Journal of Advanced Research in Experimental Fluid Mechanics and Heat Transfer, 2. pp. 10-16. ISSN 2756-8202

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Abstract

(Hybrid Photovoltaic (PV) units are systems that produce both electrical and thermal energy in a single unit. The purpose of this research is to investigate the feasibility of using PV solar waste heat to regenerate liquid desiccant in the solar air conditioning system. A typical liquid desiccant regenerator requires a temperature range between 50 ̊C and 60 ̊C. Thus, the heat recovery system is designed on a 50W solar PV that focuses on recovering, delivering, and transferring of heat from panel PV to heat the circulating water. This paper also discusses the comparison of output power and efficiency between heat recovered and a standard solar photovoltaic panel. The calculated maximum output power for heat recovered and standard solar PV system was 52.20W and 40.15W, with an efficiency of 11.72% and 9.65% respectively. The maximum temperature for the heat recovered system was 55.10 ̊C at 1.00 pm and the standard system was found at 62.30 ̊C. The experiment results show that stored water temperature in the reservoir able to reach 55 ̊C, within the range of a preferred liquid desiccant regenerator. Thus, it is possible to utilise the solar PV waste heat for desiccant solution regeneration and simultaneously benefit from the added benefit of improved efficiency.

Item Type:	Article
Keyword:	PV Temperature , Liquid desiccants , Waste heat , Solar panel , Cooling system
Subjects:	T Technology > TJ Mechanical engineering and machinery > TJ1-1570 Mechanical engineering and machinery > TJ807-830 Renewable energy sources
Department:	FACULTY > Faculty of Engineering
Depositing User:	SAFRUDIN BIN DARUN -
Date Deposited:	20 Sep 2021 14:19
Last Modified:	20 Sep 2021 14:19
URI:	https://eprints.ums.edu.my/id/eprint/30355

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