The properties of turbulent effects including intensity fluctuation, beam spread, spot quiver, and pathlength fluctuation of laser propagating through a folded Path are discussed.
本文讨论激光在折叠光路上传输时强度起伏、光束扩展、光束抖动和光程长度起伏等湍流效应的性质。
2
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 turbulent diffusion theory.
把焊接电弧作为一个发尘点源，应用大气湍流扩散理论，建立了焊接过程中烟尘扩散的数学模型。
3
The characteristic of the cracked beam spot are studied statistically for different emitting beam shapes and beam qualities, and with different turbulent effects.