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Adsorption solar air conditioning system for Singapore climate
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Tamainot-Telto, Zacharie, Metcalf, Steven J. and Ng Yande, Neilson (2022) Adsorption solar air conditioning system for Singapore climate. Energies, 15 (18). 6537. doi:10.3390/en15186537 ISSN 1996-1073.
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Official URL: https://doi.org/10.3390/en15186537
Abstract
The design of an adsorption solar air conditioning system is investigated by using a model with activated carbon-methanol working pair. This system is analysed with the solar insolation levels and ambient temperatures in Singapore. The proposed design mainly consists of two tubular reactor heat exchangers (TRHEXs) operating out of phase and driven by heat from an evacuated tube solar collector (ETSC). The pair of TRHEXs acts as a thermal compressor and contain about 2.275 kg of activated carbon per reactor. The evacuated tube solar collector (ETSC) has better performance and is more cost effective than the flat plate solar collector (FPSC), even though it has a higher cost per unit. On the hottest day of year, the proposed adsorption system has a maximum cooling power of 2.6 kW and a COP of 0.43 at a maximum driving temperature of 139°C with 9.8 m2 ETSC area. The system has a total estimated cost of €10,550 corresponding to about S$14,800 with a 7-year payback time. At similar cooling capacities, the adsorption air conditioning system is expected to be more cost effective than the conventional system beyond an expected period of 7 years, with an expected lifetime of 15 to 20 years.
Item Type: | Journal Article | ||||||||||
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Subjects: | Q Science > QD Chemistry T Technology > T Technology (General) T Technology > TH Building construction T Technology > TJ Mechanical engineering and machinery |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||||
Library of Congress Subject Headings (LCSH): | Adsorption, Air conditioning, Solar air conditioning, Cooling systems, Solar collector industry | ||||||||||
Journal or Publication Title: | Energies | ||||||||||
Publisher: | M.D.P.I.A.G. | ||||||||||
ISSN: | 1996-1073 | ||||||||||
Official Date: | 7 September 2022 | ||||||||||
Dates: |
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Volume: | 15 | ||||||||||
Number: | 18 | ||||||||||
Article Number: | 6537 | ||||||||||
DOI: | 10.3390/en15186537 | ||||||||||
Status: | Peer Reviewed | ||||||||||
Publication Status: | Published | ||||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||||
Date of first compliant deposit: | 6 September 2022 | ||||||||||
Date of first compliant Open Access: | 8 September 2022 | ||||||||||
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