{"title":"The combined supercritical CO2-based binary mixture Brayton cycle/organic Rankine cycle: a thermodynamic parametric analysis","authors":"Di Xia, Jianjun Xiong, Minghong Zhu, Qi Chen","doi":"10.1117/12.2672656","DOIUrl":null,"url":null,"abstract":"A novel closed Brayton cycle is proposed that integrates a supercritical CO2 or CO2/xenon mixture as working fluid with the ORC in this paper.. The parametric study is performed to evaluate the impacts of some key parameters on the performance of the combined system, including the pressure ratio in sCO2, inlet temperature of turbine1 and evaporation temperature Results indicate that CO2/xenon mixture can improve the thermodynamic performance of the combined system, which brings the highest exergy efficiency of 58.80%. At the same time, CO2/xenon mixture presents lower efficiency and power.","PeriodicalId":290902,"journal":{"name":"International Conference on Mechatronics Engineering and Artificial Intelligence","volume":"4 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Conference on Mechatronics Engineering and Artificial Intelligence","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.2672656","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
A novel closed Brayton cycle is proposed that integrates a supercritical CO2 or CO2/xenon mixture as working fluid with the ORC in this paper.. The parametric study is performed to evaluate the impacts of some key parameters on the performance of the combined system, including the pressure ratio in sCO2, inlet temperature of turbine1 and evaporation temperature Results indicate that CO2/xenon mixture can improve the thermodynamic performance of the combined system, which brings the highest exergy efficiency of 58.80%. At the same time, CO2/xenon mixture presents lower efficiency and power.
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