{"title":"Optimisation of absorption power cycle for generator temperatures 60–210°C with LiBr water as a working fluid","authors":"Rahul S. Patil, S. Bhagwat","doi":"10.1080/00194506.2021.1963851","DOIUrl":null,"url":null,"abstract":"ABSTRACT In this work, the absorption power cycle (APC) and reheated absorption power cycle (RHAPC) have been optimised based on the LiBr concentration in the generator and absorber for a wide range of operating temperatures of the generator and absorber. The mathematical model and simulation of the APC and RHAPC are done by using the highly accurate thermodynamic correlations available in the literature. Sensitivity analysis of the exergy and thermal efficiency of the power cycle has been done for operating parameters such as LiBr concentration and the generator temperature. This technique will be helpful to choose an optimised operating parameter for designing the power cycle for practical applications. For APC, the highest thermal efficiency is 19.91% and for RHAPC, it is 29.5%. Economic analysis has been performed for APC and RHAPC operating at optimised operating conditions. GRAPHICAL ABSTRACT","PeriodicalId":13430,"journal":{"name":"Indian Chemical Engineer","volume":"64 1","pages":"243 - 255"},"PeriodicalIF":0.9000,"publicationDate":"2021-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Indian Chemical Engineer","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/00194506.2021.1963851","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, CHEMICAL","Score":null,"Total":0}
引用次数: 0
Abstract
ABSTRACT In this work, the absorption power cycle (APC) and reheated absorption power cycle (RHAPC) have been optimised based on the LiBr concentration in the generator and absorber for a wide range of operating temperatures of the generator and absorber. The mathematical model and simulation of the APC and RHAPC are done by using the highly accurate thermodynamic correlations available in the literature. Sensitivity analysis of the exergy and thermal efficiency of the power cycle has been done for operating parameters such as LiBr concentration and the generator temperature. This technique will be helpful to choose an optimised operating parameter for designing the power cycle for practical applications. For APC, the highest thermal efficiency is 19.91% and for RHAPC, it is 29.5%. Economic analysis has been performed for APC and RHAPC operating at optimised operating conditions. GRAPHICAL ABSTRACT
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