Economic and Technical Assessing the Hybridization of Solar Combined Cycle System with Fossil Fuel and Rock Bed Thermal Energy Storage in Neom City

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dc.authoridAl Shammre, Abdullah/0009-0004-4591-0769
dc.contributor.authorAkroot, Abdulrazzak
dc.contributor.authorAl Shammre, Abdullah Sultan
dc.date.accessioned2024-09-29T16:08:12Z
dc.date.available2024-09-29T16:08:12Z
dc.date.issued2024
dc.departmentKarabük Üniversitesien_US
dc.description.abstractRising energy demands, the depletion of fossil fuels, and their environmental impact necessitate a shift towards sustainable power generation. Concentrating solar power (CSP) offers a promising solution. This study examines a hybridization of a combined cycle power plant (CCPP) based on solar energy with fossil fuel and energy storage in rock layers to increase Saudi Arabia's electricity production from renewable energy. The fuel is used to keep the temperature at the inlet of the gas turbine at 1000 degrees C, ensuring the power produced by the Rankine cycle remains constant. During the summer, the sun is the main source of power generation, whereas in the winter, reliance on fuel increases significantly. The Brayton cycle operates for 10 h during peak solar radiation periods, storing exhaust heat in rock beds. For the remaining 14 h of the day, this stored heat is discharged to operate the Rankine steam cycle. Simulations and optimizations are performed, and the system is evaluated using a comprehensive 4E analysis (energy, exergy, exergoconomic, and environmental) alongside a sustainability assessment. A parametric evaluation examines the effect of key factors on system performance. The rock bed storage system compensates for solar intermittency, enabling power generation even without sunlight. The study reveals that the system generated 12.334 MW in June, achieving an energy efficiency of 37% and an exergy efficiency of 40.35%. The average electricity cost during this period was 0.0303 USD/kWh, and the carbon footprint was 0.108 kg CO2/kWh. In contrast, during January, the system produced 13.276 MW with an energy efficiency of 37.91% and an exergy efficiency of 44.16%. The average electricity cost in January was 0.045 USD/kWh, and the carbon footprint was 0.1 kg CO2/kWh. Interestingly, solar energy played a significant role: it contributed 81.42% of the heat in June, while in January, it accounted for 46.77%. The reduced electricity costs during June are primarily attributed to the abundant sunshine, which significantly powered the system.en_US
dc.description.sponsorshipKing Faisal University, Saudi Arabia [KFU241351]en_US
dc.description.sponsorshipThis work was supported by the Deanship of Scientific Research, Vice Presidency for Graduate Studies and Scientific Research, King Faisal University, Saudi Arabia (Grant No. KFU241351).en_US
dc.identifier.doi10.3390/pr12071433
dc.identifier.issn2227-9717
dc.identifier.issue7en_US
dc.identifier.scopus2-s2.0-85199610003en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.3390/pr12071433
dc.identifier.urihttps://hdl.handle.net/20.500.14619/7422
dc.identifier.volume12en_US
dc.identifier.wosWOS:001277276800001en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherMdpien_US
dc.relation.ispartofProcessesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectcombined cycle power plant (CCPP)en_US
dc.subjectconcentrating solar power (CSP)en_US
dc.subjectexergoconomicen_US
dc.subjectrock bed storage system (RBES)en_US
dc.subjectNeom Cityen_US
dc.titleEconomic and Technical Assessing the Hybridization of Solar Combined Cycle System with Fossil Fuel and Rock Bed Thermal Energy Storage in Neom Cityen_US
dc.typeArticleen_US

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