| Kinetic modeling of a high power fast-axial-flow CO_2 laser with computational fluid dynamics method |
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| 作者单位： | National Engineering Research Center for Laser Processing Institute of Optoelectronics Sciences and Engineering，Huazhong University of Science and Technology，Wuhan 430074，National Engineering Research Center for Laser Processing，Institute of Optoelectronics Sciences and Engineering，Huazhong University of Science and Technology，Wuhan 430074 |
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| 摘 要： | A new computational fluid dynamics (CFD) method for the simulation of fast-axial-flow CO_2 laser is developed.The model which is solved by CFD software uses a set of dynamic differential equations to describe the dynamic process in one discharge tube.The velocity,temperature,pressure and turbulence energy distributions in discharge passage are presented.There is a good agreement between the theoret- ical prediction and the experimental results.This result indicates that the parameters of the laser have significant effect on the flow distribution in the discharge passage.It is helpful to optimize the output of high power CO_2 laser by mastering its kinetic characteristics.
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