A preliminary DEM-CFD study of blood flow

摘要：

Blood is a typical non-Newtonian fluid which consists of a Newtonian plasma fluid and discrete particulate phases in which red blood cells (RBCs) are the main component. A 3D DEM-CFD methodology originally used for fluidized bed simulations has been adapted to simulate blood flow in two microvessels. Calculations for three cases (Fluid Only, Fluid and RBCs and Fluid and Adhesive RBCs) have been conducted to investigate the effects of the presence of particles and adhesion on the non-Newtonian rheology. It is found that the DEM results agree well with the power law fitting curves and the power index is very sensitive to the average fluid velocity when adhesion is considered but almost independent of the average fluid velocity when non-adhesive RBCs are considered

关键词： Discrete Element Method (DEM) blood flow non-Newtonian fluid power law

作者: Wenbin Zhang Colin Thornton Gerard Nash Mostafa Barigou

作者单位: Department of Chemical Engineering,The University of Birmingham,Birmingham B 15 2TT,UK Department of Civil Engineering,The University of Birmingham,Birmingham B 15 2TT,UK Department of Physiology,The University of Birmingham,Birmingham B 15 2TT,UK

会议类型: 国际会议

会议名称: 国际离散元及非连续介质力学数值模拟研讨会(北京离散元08)(International Symposium RCUK-China Summer School on Discrete Element Methods and Numerical Modelling of Discontinuum Mechanics)(Beijing DEM08)

会议地点: 北京

会议语种:英文

页码: 258-267

在线出版日期: 2008-09-24（万方平台首次上网日期，不代表论文的发表时间）