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为将高功率轴快流CO_2激光器放电过程中产生的大量热量带走,保持放电区气体温度接近常温,更利于激光器稳定运行,对于气体循环系统的优化设计至关重要。先就其气体循环系统组成及重要性进行阐述,后对其各个组成方面的研究发展进行综述,并对已有的模型建立以及数值模拟的发展进行综述,并运用计算流体动力学方法对气体流场进行数值模拟,通过对模拟结果分析得到对气体循环系统进行优化设计的方向,最后对课题组已经进行的一些工作进行阐述。
In order to take away a large amount of heat generated during the discharge process of fast-flowing CO 2 laser on a high-power axis, keeping the temperature of the gas in the discharge zone close to room temperature is more conducive to the stable operation of the laser and is very important for the optimization design of the gas circulation system. Firstly, the composition and importance of its gas circulation system are described. Then the research and development of each component of the gas circulation system are reviewed. The existing models and the development of numerical simulation are reviewed. Computational fluid dynamics Field numerical simulation, through the analysis of the simulation results obtained gas circulation system optimization design direction, and finally some of the task group has been carried out.