Thesis shows that the insulator surface pollution process has matter with Brownian motion, the air drag force, turbulentdiffusion, gravity.
论文研究表明，绝缘子表面积污过程与布朗运动、气流曳力、湍流扩散、重力自沉降有关。
2
Based on turbulentdiffusion theory and the mechanism of liquid-gas interfacial mass transfer, a conceptual model of turbulent re-aeration process is proposed.
本文根据紊动扩散理论及气液界面质量传递过程，提出了紊动水体复氧过程的概化模型。
3
A mathematical model of fume diffusion in welding process was founded by considering welding arc as a spot source of generating fume and supplying the turbulentdiffusion theory.