Exergoeconomic analysis of a geothermal organic Rankine cycle power plant using the SPECO method

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dc.contributor.authorErgun, Alper
dc.contributor.authorOzkaymak, Mehmet
dc.contributor.authorKoc, Gonca Aksoy
dc.contributor.authorOzkan, Salih
dc.contributor.authorKaya, Durmus
dc.date.accessioned2024-09-29T15:50:40Z
dc.date.available2024-09-29T15:50:40Z
dc.date.issued2017
dc.departmentKarabük Üniversitesien_US
dc.description.abstractIn this study, exergy and exergoeconomic analyses were performed for a geothermal, Rankine cycle (Binary) power plant that generates 7.5 MW of power. The exergy analysis showed that the highest destruction of exergy, that is, about 3200 kW, occurred in the vaporizer. The losses were about 2670, 1700, 1035, 880, 421, 349, 306, and 33 kW in the turbine, recuperator, condenser, separator, organic fluid pump, production pump, preheater, and injection pump, respectively. The exergy efficiency of the system was calculated as 32.3% at the reference temperature of 25 degrees C. The unit cost of the electricity produced in this plant is 7.96 $/Gj according to the exergoeconomic analysis that was made using the specific exergy cost (SPECO) method. It was determined that using low temperature sources is meaning significant. Thus, thermodynamic and thermoeconomic (exergoeconomic) analyses should be conducted in current plants to identify the inefficient equipment that is increasing costs. (c) 2017 American Institute of Chemical Engineers Environ Prog, 36: 936-942, 2017en_US
dc.description.sponsorshipTuzla Geothermal, Inc., Turkeyen_US
dc.description.sponsorshipThe authors are grateful for the support that was provided by Tuzla Geothermal, Inc., Turkey.en_US
dc.identifier.doi10.1002/ep.12532
dc.identifier.endpage942en_US
dc.identifier.issn1944-7442
dc.identifier.issn1944-7450
dc.identifier.issue3en_US
dc.identifier.scopus2-s2.0-85008485939en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage936en_US
dc.identifier.urihttps://doi.org/10.1002/ep.12532
dc.identifier.urihttps://hdl.handle.net/20.500.14619/3671
dc.identifier.volume36en_US
dc.identifier.wosWOS:000401549600039en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherWileyen_US
dc.relation.ispartofEnvironmental Progress & Sustainable Energyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectexergoeconomyen_US
dc.subjectSPECOen_US
dc.subjectexergy analysisen_US
dc.subjectorganic Rankine cycleen_US
dc.titleExergoeconomic analysis of a geothermal organic Rankine cycle power plant using the SPECO methoden_US
dc.typeArticleen_US

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