Flow visualization in mechanical heart valves: occluder rebound and cavitation potential

V. Kini, C. Bachmann, A. Fontaine, S. Deutsch, J. M. Tarbell

Research output: Contribution to journalArticle

38 Scopus citations

Abstract

Particle image velocimetry (PIV) based investigation was carried out to account for the effect of valve rebound on the local fluid flow patterns and thus, by inference, on the local pressures and the cavitational potential. Actual flow rate measurements were used to confirm the average velocity at nozzle exit. The results indicate that the sudden stopping and subsequent rebound motion of the occluder on the higher-speed major orifice side plays a role in the initiation of the vaporous cavitation field there.

Original languageEnglish (US)
Pages (from-to)431-441
Number of pages11
JournalAnnals of Biomedical Engineering
Volume28
Issue number4
DOIs
StatePublished - Jan 1 2000

All Science Journal Classification (ASJC) codes

  • Biomedical Engineering

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