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AuthorAlghool, Dana M.
AuthorElMekkawy, Tarek Y.
AuthorHaouari, Mohamed
AuthorElomri, Adel
Available date2023-01-23T08:18:14Z
Publication Date2022
Publication NameEnergy Science and Engineering
ResourceScopus
URIhttp://dx.doi.org/10.1002/ese3.1033
URIhttp://hdl.handle.net/10576/38714
AbstractThis research investigates the integration of solar energy with traditional cooling technologies using solar electric cooling systems. A holistic optimization process is introduced to enable the cost-effective design of such technology. Two mixed-integer linear programming (MILP) models are developed, one for a baseline conventional cooling system and the other for a solar electric cooling system. The MILP models determine the optimal system design and the hourly optimal quantities of electricity and cold water that should be produced and stored while satisfying the cooling demand. The models are tested and analyzed using real-world data, and multiple sensitivity analyses are conducted. Finally, an economic comparison of solar thermal and solar electric cooling systems against a baseline conventional cooling system is performed to determine the most cost-effective system. The findings indicate that the photovoltaic panels used in solar electric cooling cover 42% of the chiller demand for electricity. Moreover, the solar electric cooling system is found to be the most cost-effective, achieving ~5.5% and 55% cost savings compared with conventional and solar thermal cooling systems, respectively. A sensitivity analysis shows that the efficiency of photovoltaic panels has the greatest impact on the annual cost of solar electric cooling systems-their annual cost only increases by 10% when the price of electricity increases by 20%, making solar electric the most economical system. 2021 The Authors. Energy Science & Engineering published by Society of Chemical Industry and John Wiley & Sons Ltd.
SponsorThe publication of this article was funded by the Qatar National Library. This publication was made possible by the NPRP award [NPRP 10-0129-170280] from the Qatar National Research Fund (a member of The Qatar Foundation). The statements made herein are solely the responsibility of the authors.
Languageen
PublisherJohn Wiley and Sons Ltd
SubjectCooling systems
Cost benefit analysis
Cost effectiveness
Integer programming
Optimal systems
Photovoltaic cells
Sensitivity analysis
Solar energy
Solar heating
Solar power generation
Annual cost
Conventional cooling system
Mixed integer linear programming model
Optimal design
Optimal operation
Photovoltaic panels
Solar electric cooling system
Solar thermal
Solar thermal cooling system
Thermal cooling
Thermoelectric equipment
TitleOptimal design and operation of conventional, solar electric, and solar thermal district cooling systems
TypeArticle
Pagination324-339
Issue Number2
Volume Number10
dc.accessType Open Access


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