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TPLS 혈액주머니 내의 3차원 비정상유동에 대한 수치해석 연구: 액추에이터 속도의 영향
정기석(G.S. Jung),성현찬(H.C. Seang),박명수(M.S. Park),고형종(H.J. Ko),심은보(E.B. Shim),민병구(B.G. Min),박찬영(C.Y. Park) 한국전산유체공학회 2003 한국전산유체공학회 학술대회논문집 Vol.2003 No.-
This paper reports the numerical results far blood flow of the sac squeezed by moving actuator in the TPLS(Twin Pulse Life Support System). Blood flow in the sac is assumed to be 3-dimensional unsteady newtonian fluid. where the blood flow interacts with the sac, which is activated by the moving actuator. The flow field is simulated numerically by using the FEM code, ADINA. It is well known that hemolysis is closely related to shear stress acted on blood flow. According to this fact, we simulate four models with different speed for moving actuator and examine the distribution of shear stress for each model. Numerical results show that maximum shear stress is strongly dependent on the actuator speed.