Design Optimization of Internal Axial Flow Ventricle Assist Device (VAD) using CFD Model.

Abstract

Every year everywhere throughout the world, Millions of patients from new-born children to grown-ups are determined to have heart disappointment. Aless number of contributor hearts accessible for the patients brings about a gigantic interest of mechanical type circulatory system, as a ventricular assist device (VAD). As of now mechanical help is generally encouraging option in contrast to heart transplantation. Ventricle Assist Device (VAD) were initially used to give mechanical help in patients anticipating arranged heart transplantation. VAD is a mechanical circulatory device that is used to partially replace function of heart failure i.e., to direct blood away from failing ventricle and guide flow to the circulation. VAD is analogous to pump (Blood Pump), so the performance characteristics of the pump is very important like pump curves (H-Q curves). The H-Q curve shows the head the pump pump can perform at a given stream. Plan strategy adopted for this object is computational fluiddynamics (CFD). CFD based structure to decide the response of the pressure rise, flow rate for optimization purpose.