薄片激光器喷流冷却技术

为了分析喷流冷却技术对薄片激光器的冷却效果,从湍流换热理论出发,定义了评定喷流冷却换热能力和冷却均匀性的两个参数:面均对流换热系数和平均最大温差。利用ANSYS CFX流体力学仿真软件,建立喷流冷却的物理模型,对多种喷板结构进行求解计算。设计加工了整套喷流冷却实验装置,并进行了模拟热源喷流冷却实验。分析结果表明,喷流冷却换热能力和冷却均匀性主要受喷板结构参数的影响,仿真计算结果可以定性地指导喷板结构参数的优化设计。

Study of jet cooling on disk laser

In order to analyze the effect of jet cooling technology on thin disk laser, starting from the turbulent heat transfer theory, we define two parameters h_a and the average maximum temperature difference for evaluation of jet cooling heat transfer capacity and cooling uniformity. Using the ANSYS CFX fluid dynamics simulation software, a physical model of jet cooling was built, and the multiple jet plate structure was calculated. Furthermore, the entire jet cooling experimental device was designed, and heat source jet cooling was simulated. The results show that jet cooling heat transfer capacity and cooling uniformity are mainly affected by the structural parameters of jet plate, and ANSYS CFX calculation results can be used to guide the optimization design of the structure parameters of jet plate.