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首页> 外文期刊>Journal of astornomical telescopes, instruments, and systems >Noncontact temperature estimation method on the actively cooled primary mirror surface of large ground-based solar telescope
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Noncontact temperature estimation method on the actively cooled primary mirror surface of large ground-based solar telescope

机译：非接触温度估算方法主动冷却主镜的表面地面太阳望远镜

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摘要

To control the mirror seeing effect and the thermal deformation, the actively cooled primary mirror is utilized in a large ground-based solar telescope. Due to direct solar illumination and high reflectivity of the mirror surface coating, the traditional contact or noncontact temperature measuring methods of the mirror surface are not available. A noncontact temperature estimation method based on the analytical heat transfer model of actively cooled primary mirror of a solar telescope is proposed. The experimental validation has been carried out on the actively cooled honeycomb mirror with 600-mm diameter. When the temperature on the mirror surface fluctuates between 23.7 deg and 26 deg, the corresponding estimation error is not more than 0.4 deg. The experimental results validate the correctness and accuracy of the proposed method.
机译：控制和镜子看到效果热变形,积极主冷却镜子在大型地面太阳能利用望远镜。高反射率的镜面涂料,传统的接触或非接触温度镜子表面的测量方法可用。基于传热分析方法模型的主动冷却主镜提出了太阳望远镜。在积极进行了验证冷却蜂窝镜子与600毫米直径。当温度在镜面上23.7度和26度之间波动,相应的估计误差不超过0.4度,实验结果验证该方法的正确性和准确性。

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