{"title":"Champ dynamique dans une cellule d'échangeur à vortex : 1. Régime d'entrée laminaire","authors":"Stéphane Petitot , Abdel Lyazid , René Devienne","doi":"10.1016/S1620-7742(01)01358-7","DOIUrl":null,"url":null,"abstract":"<div><p>Numerical simulation and LDV measurements are performed for laminar inlet flow condition in a vortex exchange chamber with isothermal conditions. Newtonian and non-Newtonian fluids were used. Experimental measurements are compared to results of numerical computations with good agreement. Both show the existence of a secondary flow generated by hydrodynamical instabilities due to streamline curvature. The main vortex flow appears then to be restricted by this secondary flow.</p></div>","PeriodicalId":100302,"journal":{"name":"Comptes Rendus de l'Académie des Sciences - Series IIB - Mechanics","volume":"329 7","pages":"Pages 503-508"},"PeriodicalIF":0.0000,"publicationDate":"2001-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1620-7742(01)01358-7","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Comptes Rendus de l'Académie des Sciences - Series IIB - Mechanics","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1620774201013587","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
Numerical simulation and LDV measurements are performed for laminar inlet flow condition in a vortex exchange chamber with isothermal conditions. Newtonian and non-Newtonian fluids were used. Experimental measurements are compared to results of numerical computations with good agreement. Both show the existence of a secondary flow generated by hydrodynamical instabilities due to streamline curvature. The main vortex flow appears then to be restricted by this secondary flow.
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