NUMERICAL STUDY ON HEMOLYSIS INDUCED BY SPEED-CHANGING HEART PUMP

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JABBARIFAR MUHAMMAD; RIASI ALIREZA

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Journal: Modares Mechanical Engineering Year:2018 | Volume:18 | Issue:2 Page(s): 273-280

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Title

NUMERICAL STUDY ON HEMOLYSIS INDUCED BY SPEED-CHANGING HEART PUMP

Author(s)

JABBARIFAR MUHAMMAD | RIASI ALIREZA | Issue Writer Certificate

Keywords

HEMOLYSISQ1

HEART PUMPQ1

TRANSIENT SIMULATIONQ1

Abstract

Today, heart disease is the first cause of death in the world. The HEART PUMP is a mechanical device used to help heart patients. The blood of people who use the HEART PUMP, due to being in contact with the mechanical device, suffers from damage such as thrombosis and HEMOLYSIS. When the HEART PUMP starts from a resting state, its angular velocity increases in a short period of time, and then operates at a constant rate. Transient blood flow analysis is very valuable when the pump speed is changing. In this paper, the fluid flow inside the HEART PUMP and the amount of damage to the red blood cells were numerically analyzed. In this analysis, the effect of shear stress caused by the blades of the pump into the red blood cells was also investigated. In this study, blood was assumed as a Newtonian, viscous, and incompressible fluid, and a sliding mesh method was used to identify changes in the velocity of the blades of the pump to the problem. Total pressure and flow rate at the inlet and outlet of the pump as well as relative velocity through the blade passages have been discussed. Finally, the HEMOLYSIS created during the simulation period was calculated. In the study, HEMOLYSIS analysis showed that the HEART PUMP during starting period causes serious damage to the red blood cells and the possibility of rupturing the red blood cells in this short period of time is high.

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APA: Copy

JABBARIFAR, MUHAMMAD, & RIASI, ALIREZA. (2018). NUMERICAL STUDY ON HEMOLYSIS INDUCED BY SPEED-CHANGING HEART PUMP. MODARES MECHANICAL ENGINEERING, 18(2 ), 273-280. SID. https://sid.ir/paper/178671/en

Vancouver: Copy

JABBARIFAR MUHAMMAD, RIASI ALIREZA. NUMERICAL STUDY ON HEMOLYSIS INDUCED BY SPEED-CHANGING HEART PUMP. MODARES MECHANICAL ENGINEERING[Internet]. 2018;18(2 ):273-280. Available from: https://sid.ir/paper/178671/en

IEEE: Copy

MUHAMMAD JABBARIFAR, and ALIREZA RIASI, “NUMERICAL STUDY ON HEMOLYSIS INDUCED BY SPEED-CHANGING HEART PUMP,” MODARES MECHANICAL ENGINEERING, vol. 18, no. 2 , pp. 273–280, 2018, [Online]. Available: https://sid.ir/paper/178671/en

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