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考虑了辐射、传导和对流传热,在改变输入功率、环境温度、管外空气对流、不锈钢套管内表面光洁度、冷却水温度和保温层厚度的情况下,计算两种不同结构的金属蒸气激光管内径向温度的分布。结果表明,减薄Al_2O_3纤维的厚度,适当缩小管子的直径,对放电管的温度影响不大。此外,提高不锈钢套管内表面的光洁度,有利于温度的升高。
Taking into account the radiation, conduction and convection heat transfer, under the condition of changing the input power, the ambient temperature, the air convection outside the pipe, the inner surface finish of the stainless steel casing, the cooling water temperature and the thickness of the thermal insulation layer, two different structures of metal vapor laser tubes Inner radial temperature distribution. The results show that reducing the thickness of Al 2 O 3 fiber and properly reducing the diameter of the tube have little effect on the discharge tube temperature. In addition, to improve the surface finish of the stainless steel casing is conducive to the temperature rise.