Wall stresses and platelet adhesion in a T-junction

Denz Lee, Yueh Lin Chiu, Chau Ying Jen

研究成果: Article同行評審

8 引文 斯高帕斯(Scopus)

摘要

In the present study, the authors continued their investigation of the correlation between the hemodynamic stresses and platelet adhesion onto a wall in various geometries. The distribution of platelet adhesion in the initial stage onto the wall in a T-Junction was documented. A finite volume method was employed to obtain the detailed flow field and the stress distribution. Peak adhesion was found to occur around the apex of the flow divider. Direct impingement of blood flow onto the surface resulted in high adhesion. On the other hand, near the recirculation region, higher adhesion due to frequent platelet collision would also occur. A parameter Vn/|Vl| devised previously was used to assess the effect of fluid dynamic factors and was found to be a useful indicator of the peak adhesion. The parameter was also applied to other geometries. It was found that in direct impingement areas, the role of the normal stress could be as important as that of the shear stress.

原文English
頁(從 - 到)303-310
頁數8
期刊Proceedings of the National Science Council, Republic of China, Part A: Physical Science and Engineering
23
發行號2
出版狀態Published - 1999 三月 1

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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