form drag

The experimental study of deformational resistance for 30MnSiV;

30MnSiV钢变形阻力的实验研究

The resistance of water flowing through wire at different velocities has been measured.

通过对水以不同速度经过滤网时流动阻力的测定 ,确定了滤网阻力与流水速度之间的对应关系 ,利用这种关系 ,试验测定了一种白纸板的成形阻力。