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  • Title: Computational fluid dynamic analyses to establish design process of centrifugal blood pumps.
    Author: Miyazoe Y, Sawairi T, Ito K, Konishi Y, Yamane T, Nishida M, Masuzawa T, Takiura K, Taenaka Y.
    Journal: Artif Organs; 1998 May; 22(5):381-5. PubMed ID: 9609345.
    Abstract:
    To establish quantitative, efficient design theories for centrifugal blood pumps, computational fluid dynamics (CFD) analyses were compared to the results of flow visualization tests and hemolysis tests, mainly on the Nikkiso centrifugal blood pump. The results turned out to coincide in the velocity vector plots. CFD analysis revealed that the smaller the gap is, the greater the shear stress becomes. This tendency becomes even greater with a radial gap change. Hemolysis study also indicated that the smaller the gap is, the greater the hemolysis. CFD analysis in comparison with hemolysis tests could be a useful index for developing blood pumps in the future.
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