한국전산유체공학회:학술대회논문집
- 2003.08a
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- Pages.206-211
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- 2003
Numerical Study of 3D Unsteady Flow in a Blood Sac of TPLS: Effect of Actuator Speed
TPLS 혈액주머니 내의 3차원 비정상유동에 대한 수치해석 연구: 액추에이터 속도의 영향
- Jung G. S. ;
- Seong H. C. ;
- Park M. S. ;
- Ko H. J. ;
- Shim E. B. ;
- Min B. G. ;
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Park C. Y.
- 정기석 (금오공과대학교 기계대학원) ;
- 성현찬 (금오공과대학교 기계대학원) ;
- 박명수 (금오공과대학교 기계대학원) ;
- 고형종 (금오공과대학교) ;
- 심은보 (강원대학교) ;
- 민병구 (서울대학교) ;
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박찬영
(서울대학교)
- Published : 2003.08.01
Abstract
This paper reports the numerical results for 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.