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首页> 外文会议>Optical system alignment, tolerancing, and verification VIII >Dynamic mesh-based analysis of dynamic irradiance characteristics of solar simulator
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Dynamic mesh-based analysis of dynamic irradiance characteristics of solar simulator

机译：基于动态网格的太阳模拟器动态辐照特性分析

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摘要

The unsteady motion of a solar simulator was simulated using dynamic mesh technology in Fluent software. The dynamic irradiation characteristics of the simulator were studied under various conditions. Mesh updates were achieved using a dynamic layering method, and the periodic lifting motion of the simulator was defined using user-defined functions (UDF). Detailed dynamic irradiance characteristics were obtained for comparison with experimental results. The results showed that the simulator height and the number of light sources used were the main factors that affected the irradiance. The irradiance has a linear relationship with the simulator height, which means that the irradiance non-uniformity decreases with decreasing solar height; in addition, the sum of the irradiances under the various operating conditions matches the superposition of the irradiance. The dynamic irradiation numerical results are consistent with the experimental results at typical points, which verifies the reliability of the moving mesh numerical model. The validated model can be used to study various simulator conditions and provides forecast data for diurnal variation simulation of solar radiation.
机译：使用Fluent软件中的动态网格技术模拟了太阳模拟器的非稳态运动。在各种条件下研究了模拟器的动态辐射特性。使用动态分层方法可以实现网格更新，并且可以使用用户定义的函数（UDF）定义模拟器的周期性提升运动。获得了详细的动态辐照度特性以与实验结果进行比较。结果表明，模拟器的高度和使用的光源数量是影响辐照度的主要因素。辐照度与模拟器高度呈线性关系，这意味着辐照度不均匀度随太阳高度的减小而减小；另外，在各种操作条件下的辐照度总和与辐照度的叠加相匹配。动态辐照数值结果与典型点的实验结果吻合，验证了运动网格数值模型的可靠性。经过验证的模型可用于研究各种模拟器条件，并为太阳辐射的日变化模拟提供预测数据。

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  • 来源
  • 会议地点 San Diego CA(US)
  • 作者

    Qinglong Meng; Yanpeng Li; Yaxiu Gu;

  • 作者单位

    Chang'an University, School of Environmental Science and Engineering, 126 Yanta Road, Xi'an, China, 710054 Zhejiang University, The State Key Laboratory of Fluid Power Transmission and Control, 866 Yuhangtang Road, Hangzhou China, 310058;

    Chang'an University, School of Environmental Science and Engineering, 126 Yanta Road, Xi'an, China, 710054;

    Chang'an University, School of Environmental Science and Engineering, 126 Yanta Road, Xi'an, China, 710054;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    solar simulator; computational fluid dynamics; dynamic mesh; dynamic layering;

    机译：太阳模拟器计算流体动力学;动态网格动态分层;

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