Mathematical expressions of velocities, shear stresses for Newtonian laminar field near the pins in pin barrel extruder and machine's power are presented.

基于牛顿流体模型，给出销钉机筒挤出机内销钉附近流场的应力分布和速度分布的数学表达式，提出销钉消耗功率的计算方法。

youdao

Field synergy principle is based on the steady state laminar thermal boundary layer integral equations and has been validated by the experimental data and numerical simulations.

场协同原理是基于稳态时层流热边界层的积分方程得到的，其正确性已得到了实验及数值验证。

youdao

Based on computational fluid dynamics, the distribution of laminar flow-field and pressure difference are obtained by numerical simulation on flow through orifice plate in detail.

以计算流体力学为工具，详细分析计算了流体流过孔板的层流流场分布以及压力降。

youdao