Computational fluid dynamics modeling and hemolysis analysis of axial blood pumps with various impeller structures |
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Authors: | XIA Dongdong ZHAO Chunzhang ZHANG Xiwen BAI Jing |
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Abstract: | The flow fields in the blood pump were analyzed three- dimensionally using computational fluid dynamics (CFD). Hemolysis of the pump was calculated based on the changes in shear stress and related exposure times along the particle trace lines using a forward Euler approach. In this "way, how different impeller structures and rotational speeds affect the hemolysis was particularly acquired. As a result, impeller with long-short alternant vanes behaved best in hemolysis property and can be utilized to axial blood pumps development and design. |
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Keywords: | axial blood pump computational fluid dynamics hemolysis |
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