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EXERGY ANALYSIS AND DETERMINATION OF IRREVERSIBILTY OF A THERMAL POWER PLANT

ArticleAçık Erişim

Özet

The exergy analysis and determination of irreversibility İ of a thermal power plant with 210 MW are presented in this study. The first- (ηI) and second-law (ηII) efficiencies, losses, and İ are computed for each component in the plant. The highest energy loss (43.538%) occurs with heat transfer to cooling water of the condenser, whereas the second loss (14.138%) occurs in the boiler. The highest İ value in the cycle (86.87%) occurs in the boiler followed by the turbine (5.95%). The ηI and ηII efficiencies of the whole plant are 38.64% and 31.68%, respectively. In addition, effects of the efficiencies in the temperature range from 5°C to 30°C are investigated. The ηI efficiency of the whole plant does not change, whereas the ηII efficiency decreases with increasing reference temperatures. In addition, the ηII efficiency is associated with environmental impact and sustainability. © 2022 by Begell House, Inc.

Anahtar Kelimeler

energyexergyirreversibilitysustainabilitythermodynamic analysisBoilersCooling waterEnergy dissipationEnvironmental impactHeat transferSustainable developmentThermoanalysisAddition effectEfficiency lossExergy AnalysisReference temperatureSecond lawTemperature rangeThermal-power plantsWhole plantsThermoelectric power plants
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Tam Kayıt
AlanDeğerDil
dc.contributor.authorAta, İsmail
dc.contributor.authorTanürün, H. Erdi
dc.contributor.authorUzun, Sinem
dc.contributor.authorBayrak, Sebile
dc.contributor.authorAcır, Adem
dc.date.accessioned2026-10-18T20:27:44.385255461Z
dc.date.available2026-10-18T20:27:44.385255461Z
dc.date.issued2022
dc.description.abstractThe exergy analysis and determination of irreversibility İ of a thermal power plant with 210 MW are presented in this study. The first- (ηI) and second-law (ηII) efficiencies, losses, and İ are computed for each component in the plant. The highest energy loss (43.538%) occurs with heat transfer to cooling water of the condenser, whereas the second loss (14.138%) occurs in the boiler. The highest İ value in the cycle (86.87%) occurs in the boiler followed by the turbine (5.95%). The ηI and ηII efficiencies of the whole plant are 38.64% and 31.68%, respectively. In addition, effects of the efficiencies in the temperature range from 5°C to 30°C are investigated. The ηI efficiency of the whole plant does not change, whereas the ηII efficiency decreases with increasing reference temperatures. In addition, the ηII efficiency is associated with environmental impact and sustainability. © 2022 by Begell House, Inc.
dc.identifier.doi10.1615/heattransres.2021039997
dc.identifier.eissn2162-6561
dc.identifier.endpage12
dc.identifier.issn1064-2285
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85127464254
dc.identifier.startpage1
dc.identifier.urihttps://rdlopen.rawdatalibrary.net/r/ebyu/12880
dc.identifier.volume53
dc.identifier.wosWOS:000743391300001
dc.language.isoen
dc.publisherBegell House Inc.
dc.relation.ispartofHeat Transfer Research
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectenergy
dc.subjectexergy
dc.subjectirreversibility
dc.subjectsustainability
dc.subjectthermodynamic analysis
dc.subjectBoilers
dc.subjectCooling water
dc.subjectEnergy dissipation
dc.subjectEnvironmental impact
dc.subjectHeat transfer
dc.subjectSustainable development
dc.subjectThermoanalysis
dc.subjectAddition effect
dc.subjectEfficiency loss
dc.subjectExergy Analysis
dc.subjectReference temperature
dc.subjectSecond law
dc.subjectTemperature range
dc.subjectThermal-power plants
dc.subjectWhole plants
dc.subjectThermoelectric power plants
dc.titleEXERGY ANALYSIS AND DETERMINATION OF IRREVERSIBILTY OF A THERMAL POWER PLANT
dc.typeArticle
dspace.entity.typePublication
rdl.citation.scopus1
rdl.citation.wos0
rdl.source.indexSCOPUS
rdl.source.indexWOS
rdl.wos.indexScience Citation Index Expanded (SCI-EXPANDED)