Experimental investigation of the fluid dynamic aspects of a bileaflet mechanical heart valve

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dc.contributor.authorMejia, Juan
dc.contributor.supervisorOshkai, Peter
dc.date.accessioned2009-11-17T20:44:57Z
dc.date.available2009-11-17T20:44:57Z
dc.date.copyright2006en
dc.date.issued2009-11-17T20:44:57Z
dc.degree.departmentDepartment of Mechanical Engineering
dc.degree.levelMaster of Applied Science M.A.Sc.en
dc.description.abstractTurbulent flow downstream of a bileaflet mechanical heart valve is investigated using digital particle image velocimetry. Evolution of flow structures during the systole and diastole phases of a typical cardiac cycle is characterized by obtaining global flow velocity measurements in multiple cross-sections of the flow field. Instantaneous and time-averaged patterns of flow velocity, vorticity, and streamline topology are used to illustrate the interaction between the unsteady vortices that results in elevation of shear stress levels. This image-based approach can potentially lead to development of methods of control of platelet activation and provides insight into the underlying flow physics.en
dc.identifier.urihttp://hdl.handle.net/1828/1861
dc.languageEnglisheng
dc.language.isoenen
dc.rightsAvailable to the World Wide Weben
dc.subjectheart valve prosthesisen
dc.subjectaortic valveen
dc.subject.lcshUVic Subject Index::Sciences and Engineering::Engineering::Mechanical engineeringen
dc.titleExperimental investigation of the fluid dynamic aspects of a bileaflet mechanical heart valveen
dc.typeThesisen

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