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Wind buffeting of large telescopes

机译:大型望远镜的风振

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Unsteady wind loads due to turbulence within the telescope enclosure are one of the largest dynamic disturbances for ground-based optical telescopes. The desire to minimize the response to the wind influences the design of the telescope enclosure, structure, and control systems. There is now significant experience in detailed integrated modeling to predict image jitter due to wind. Based on this experience, a relatively simple model is proposed that is verified (from a more detailed model) to capture the relevant physics. In addition to illustrating the important elements of the telescope design that influence wind response, this model is used to understand the sensitivity of telescope image jitter to a wide range of design parameters.
机译:望远镜外壳内部湍流引起的不稳定风载荷是地面光学望远镜最大的动态干扰之一。最小化对风的响应的需求影响了望远镜外壳,结构和控制系统的设计。现在,在详细的集成建模中具有丰富的经验,可以预测由于风造成的图像抖动。基于此经验,提出了一个相对简单的模型,该模型经过了验证(从更详细的模型中),可以捕获相关的物理学。除了说明影响风响应的望远镜设计的重要元素之外,该模型还用于了解望远镜图像抖动对各种设计参数的敏感性。

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