数值模拟了流体在不同圆锥角度和不同入口尺寸的新型涡旋发生器中的压力分布和传热特性。
Numerically simulates the pressure distribution and heat transfer characteristics of fluid in a new vortex generator with different conic angles and different inlet sizes.
和传统的高斯光束不同，涡旋光束传输后的光斑尺寸没有较为统一的定义。
Different from the traditional Gaussian beam, there is no generous definition for vortex beam after propagation.
提出了均方根光斑尺寸以及等效光斑尺寸的定义，并分别采用这两种定义对涡旋光束的光斑展宽进行了分析。
The mean-square width and the equivalent-beam width are put forward to investigate the spreading of vortex beam while propagating.
数值计算进一步说明，等效光斑尺寸更适合用来表征涡旋光束传输后的光斑大小。
Calculation results reveal that the equivalent beam length is more suitable to describe the beam size of vortex beam after propagation.
数值计算进一步说明，等效光斑尺寸更适合用来表征涡旋光束传输后的光斑大小。
Calculation results reveal that the equivalent beam length is more suitable to describe the beam size of vortex beam after propagation.
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