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computed flow through an artificial heart valveReport discusses computations of blood flow through prosthetic tilting disk valve. Computational procedure developed in simulation used to design better artificial hearts and valves by reducing or eliminating following adverse flow characteristics: large pressure losses, which prevent hearts from working efficiently; separated and secondary flows, which causes clotting; and high turbulent shear stresses, which damages red blood cells. Report reiterates and expands upon part of NASA technical memorandum "Computed Flow Through an Artificial Heart and Valve" (ARC-12983). Also based partly on research described in "Numerical Simulation of Flow Through an Artificial Heart" (ARC-12478).
Document ID
Document Type
Other - NASA Tech Brief
Rogers, Stewart E.
(NASA Ames Research Center, Moffett Field, CA.)
Kwak, Dochan
(NASA Ames Research Center, Moffett Field, CA.)
Kiris, Cetin
(Stanford Univ.)
Chang, I-Dee
(Stanford Univ.)
Date Acquired
August 16, 2013
Publication Date
December 1, 1994
Publication Information
Publication: NASA Tech Briefs
Volume: 18
Issue: 12
ISSN: 0145-319X
Subject Category
Report/Patent Number
Distribution Limits
Work of the US Gov. Public Use Permitted.

Related Records

IDRelationTitleA90-22243/TBSee AlsoNumerical Simulation Of The Incompressible Internal Flow Through A Tilting Disk Valve.