Then the authors explain hypostasis of the velocity gradient and vortex, and make a try to unify the vortex coagulation theory and the conventional coagulation theory.

• 从根源上解释了紊流流场中速度梯度和旋涡的产生，试图把最近发展的涡旋混凝理论与传统的混凝理论进行统一。