Using the estalished theory of eccentric annulus laminar helical flow of Binghamfluid, numeral simulation of the field of laminar axial flow of Bingham fluid in eccentricannulus is accomplished.

• 应用所建立的宾汉流体偏心环空螺旋流理论,对偏心环空中宾汉流体轴向流流场进行了数值模拟,使流场分析定量化,得到了速度及视粘度分布图像。