The viscosity of the fluid has no direct effect on the velocity profile. 流体的粘度对速度场没有直接影响。
It shows that the numerical results of the flow field agree well with the experiment data through comparison. 并将颗粒速度场的模拟结果与文献的实验结果进行比较,结果表明流场的数值计算结果与文献中的试验值吻合较好。