{"title":"The Effects of Buoyancy Force on the Irreversibility of Three-Dimensional Step Flow in an Inclined Duct","authors":"M. Atashafrooz, Tahereh Asadi","doi":"10.24874/jsscm.2019.13.01.01","DOIUrl":null,"url":null,"abstract":"This research deals with the study of the irreversibility of three-dimensional mixed convection flow in an inclined duct with step. To reach this goal, an analysis of entropy generation is carried out according to the second law of thermodynamics. The effects of buoyancy force on the flow irreversibility are analyzed with all details. The results show that the values of entropy generation number and Bejan number are intensively dependent on the Grashof number and duct inclination angle, so that the effects of Grashof number on the mentioned parameters are much higher for the vertical ducts.","PeriodicalId":42945,"journal":{"name":"Journal of the Serbian Society for Computational Mechanics","volume":null,"pages":null},"PeriodicalIF":0.5000,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of the Serbian Society for Computational Mechanics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.24874/jsscm.2019.13.01.01","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 3
Abstract
This research deals with the study of the irreversibility of three-dimensional mixed convection flow in an inclined duct with step. To reach this goal, an analysis of entropy generation is carried out according to the second law of thermodynamics. The effects of buoyancy force on the flow irreversibility are analyzed with all details. The results show that the values of entropy generation number and Bejan number are intensively dependent on the Grashof number and duct inclination angle, so that the effects of Grashof number on the mentioned parameters are much higher for the vertical ducts.
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