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Published in:
2011 | OriginalPaper | Chapter
Spatial Correlation in Mechanical Heart Valve Leakage Jets
Authors : G. L. Wang, G. D’Avenio, C. Daniele, M. Grigioni
Published in: International Conference on Advancements of Medicine and Health Care through Technology
Publisher: Springer Berlin Heidelberg
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Turbulent flow can be generated by prosthetic devices at the blood stream level, causing a mechanical stress on the blood particle. This mechanical stress can entail adverse impacts of prostheses’ recipients, such as hemolysis.
The experimental research is on the quantitative investigation of the flow field of mechanical bileaflet valve using Particle Image Velocimetry(PIV). Two major measurements focused on leakage jets study were taken. One is standard nozzle measurement and the other one is mechanical valve measurement. These quantitative data could be utilized as basis for a CFD simulation of relevant phenomena. The self-preservation of leakage jets was evaluated with a new method spatial correlation.