Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Schematic of experimental set-up. The rectangle marked out in the figure indicates the regions where the LDV measurements are made. (b) Photograph of experimental set-up. (c) Flow visualization with a light sheet illuminating the centerline of the valve indicating the recirculation regions near the leaflets during the valve closing phase. (d) Numerical simulation results show qualitatively similar re-circulation regions.
