本文论述一个由流体力学和光学联系起来的新课题——激光通过湍流剪切层后的相位变化及峰值功率变化。
In this paper, the investigation of the variations of the peak power and phase Angle of a laser beam passing through a turbulent shear layer is discussed.
使用FLUENT软件，通过湍流模型和离散相模型对风机内部的二维流场和二维粒子运动轨迹进行了模拟。
Using the turbulence model and discrete phase model of FLUENT, the flow field and the track of the ash in the centrifugal blower was simulated.
采用积分变换技巧，推导出了环状光束通过湍流大气传输二阶矩束宽的解析表达式，并研究了湍流对环状光束扩展的影响。
The closed-form expression for the mean squared beam width of annular beams propagating through atmospheric turbulence is derived by using the integral transform technique.
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