Jianguo He, Ming Li, Zeqiang Mo, Jinduo Wang, Jin Yu, Shoujun Dai, Yanzhong Chen, Wenqi Ge, Yang Liu, Lianwen Fan. Longitudinal forced convection heat transfer for high power slab laser media[J]. Infrared and Laser Engineering, 2020, 49(9): 20200556
- Infrared and Laser Engineering
- Vol. 49, Issue 9, 20200556 (2020)
Fig. 1. Side-faces even pumping and cooling schematic for slab amplifer
Fig. 2. Schematic diagrams of cooling configuration. (a) Cavity forced convection; (b) Conduction through micro-channel heat sink; (c) Longitudinal forced convection
Fig. 3. Temperature contour on the x-z center cross section of laser slab. (a) Cavity forced convective configuration; (b) Micro-channel conductive configuration; (c) Longitudinal forced convective configuration
Fig. 4. Different parameters of longitudinal forced convective configuration vs the inlet flow rate, insert figure is temperature variance varying with the inlet flow rate
Fig. 5. Relationships of the different parameter differences vs inlet flow about fully developed and developing flow
Fig. 6. Simulation result of convective heat transfer coefficient vs x axis at the slab surface
Fig. 7. Effection of the surface roughness on performance of cooling system
Fig. 8. Crystal end faces temperature in investigation with laser amplifier working in longitudinal forced convection- infrared thermal imager (up) and simulation results (down)
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Table 1.
Simulation results of several cooling configurations
几种冷却方案的模拟结果
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Table 2.
Crystal end faces temperature in investigation with laser amplifier working in longitudinal forced convection
纵向强制对流冷却方案中实验用激光放大器工作状态晶体端面温度
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