Exergy analysis and optimization of combined brayton and rankine cycles

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dc.authorid0009-0002-9161-4034
dc.authorid0000-0003-0040-9167
dc.authorid0000-0002-2193-3411
dc.contributor.authorBozkurt, Ali
dc.contributor.authorKeven, Arzu
dc.contributor.authorKaraali, Rabi
dc.date.accessioned2026-07-22T14:12:19Z
dc.date.available2026-07-22T14:12:19Z
dc.date.issued2026
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Mekatronik Mühendisliği Bölümü
dc.description.abstractThere are many energy sources on the World that can be classified as renewable and non-renewable energies. The non-renewable energies which are exhaustible and often harmful to the environment. The usage of all these renewable and non-renewable energies efficiently is very important in technology and industry. The concept of exergy and exergy analysis is very important methods to show the inefficiencies and the irreversibility’s in a system and its devices. In this study, exergy analysis methods are applied to efficient combine cycle and cogeneration systems. The destruction of exergy has been examined for combined cycles and cogeneration system to find the optimum working conditions. It is found that as the pump pressure of the Rankine cycle increases from 400 kPa to 7600 kPa, the exergy efficiency increases from 76% to 85%, and as the compression pressure of the Brayton cycle increases from 400 kPa to 2200 kPa, the exergy efficiency increases from 72% to 79%. When these operating conditions, where the two cycles will operate at their optimum, are applied together, the exergy efficiency of the all cycle exceeds 86%. When the operating conditions, where the Brayton and Rankine cycles are at their maximum efficiency, are applied together, the optimum operating conditions of the system are obtained.
dc.identifier.citationBozkurt, A., Keven, A., & Karaali, R. (2026). Exergy analysis and optimization of combined brayton and rankine cycles. International Journal of Computational and Experimental Science and Engineering, 12(2), pp. 458-463. https://doi.org/10.22399/ijcesen.5240
dc.identifier.doi10.22399/ijcesen.5240
dc.identifier.endpage463
dc.identifier.issn2149-9144
dc.identifier.issue2
dc.identifier.startpage458
dc.identifier.urihttps://doi.org/10.22399/ijcesen.5240
dc.identifier.urihttps://hdl.handle.net/20.500.13055/1550
dc.identifier.volume12
dc.indekslendigikaynakScopus
dc.indekslendigikaynakTR-Dizin
dc.institutionauthorKaraali, Rabi
dc.institutionauthorid0000-0002-2193-3411
dc.language.isoen
dc.publisherProf. Dr. Ä°skender AKKURT
dc.relation.ispartofInternational Journal of Computational and Experimental Science and Engineering
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectBrayton
dc.subjectRankine
dc.subjectEnergy
dc.subjectExergy
dc.subjectOptimization
dc.titleExergy analysis and optimization of combined brayton and rankine cycles
dc.typeArticle
dspace.entity.typePublication

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