Energy-exergy analysis of gas turbine cycle in a combined cycle power plant

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dc.contributor.authorHacihafizoglu, Oktay
dc.date.accessioned2024-06-12T11:12:42Z
dc.date.available2024-06-12T11:12:42Z
dc.date.issued2011
dc.departmentTrakya Üniversitesien_US
dc.description.abstractIn this study, the performance characteristics of a gas turbine cycle in a combined cycle power plant (CCPP) were examined for a set of design and operational parameters. In this context, the effect of inlet air cooling (IAC), gas turbine inlet temperature (TIT) and steam injection gas turbine (STIG) on gas turbine power, thermal and exergy efficiency were taken into consideration. The analysis was carried using theoretical calculations by taking the experimentally measured data of a GT 13 D2 type gas turbine in operation conditions as a starting point. The results show that cooling the compressor inlet air temperature from 30 degrees C to 0 degrees C leads to 13.6% and 4% increase in power output and thermal efficiency, respectively. The results also indicate that changing the turbine inlet temperature from 990 degrees C to 1750 degrees C leads to an increase in thermal efficiency by 11% and exergy efficiency by 39% as well as an increase in turbine power output, as 130%. STIG method provides almost the same amount of power increase like IAC method and it is seen that the amount of increase in efficiency in this method is in a higher level compared to IAC method. Moreover, the amount of 5% compressor inlet air steam injection to combustion chamber leads to an increase in thermal efficiency by 10.6% and exergy efficiency by 37% and as well as an increase in turbine power output, as 11%.en_US
dc.identifier.endpage138en_US
dc.identifier.issn1308-772X
dc.identifier.issue1en_US
dc.identifier.scopus2-s2.0-82355185183en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage123en_US
dc.identifier.urihttps://hdl.handle.net/20.500.14551/23279
dc.identifier.volume27en_US
dc.identifier.wosWOS:000282296300012en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSila Scienceen_US
dc.relation.ispartofEnergy Education Science And Technology Part A-Energy Science And Researchen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPower Planten_US
dc.subjectGas Turbineen_US
dc.subjectIACen_US
dc.subjectTITen_US
dc.subjectSTIGen_US
dc.subjectThermal Efficiencyen_US
dc.subjectExergy Efficiencyen_US
dc.subjectSteam-Injectionen_US
dc.subjectPerformance Improvementsen_US
dc.subjectHousehold Refrigeratoren_US
dc.subjectCooling Systemsen_US
dc.titleEnergy-exergy analysis of gas turbine cycle in a combined cycle power planten_US
dc.typeArticleen_US

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