Study on the radiative heat transfer characteristics of one solar simulator

2013 International Conference on Materials for Renewable Energy and Environment Pub Date : 2013-08-01 DOI:10.1109/ICMREE.2013.6893604

Jinglong Du, X. Huang, D. Tang

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引用次数: 2

Abstract

One high-flux solar simulator facility has been developed for all-weather indoor testing of dish/Stirling solar power generation system. This solar simulator composed of multiple xenon arc lamps combined with a faceted paraboloidal dish concentrator. The Monte-Carlo ray-tracing method is utilized to predict the radiation flux distributions of the concentrator-receiver system, and the numerical result is validated by experiment, the deviation of total radiation flux in the focal receiver between the experimental data and the ray-tracing results is about 0.32%. Then the radiation flux profiles on the receiver surface for faceted real concentrator and ideal paraboloidal concentrator are analyzed respectively. The results indicated that a faceted concentrator combined with 12 Xe-arc lamps can provided uniform irradiance on the receiver surface, it is beneficial for the long-term reliable and efficient operation of the stirling engine. The designed solar simulator can provide enough radiation power at the receiver aperture. It can be used as an experiment platform for stirling engine.

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某太阳模拟器的辐射换热特性研究

研制了一套用于碟式/斯特林太阳能发电系统室内全天候测试的高通量太阳模拟装置。这个太阳模拟器由多个氙气弧光灯和一个面抛物面碟状聚光器组成。利用蒙特卡罗射线追迹法对聚光接收机系统的辐射通量分布进行了预测，并通过实验验证了数值结果，焦点接收机的总辐射通量与实验数据的偏差约为0.32%。然后分别分析了面形实聚光器和理想抛物面聚光器在接收面上的辐射通量分布。结果表明:采用面形聚光器组合12个氙弧灯，可在接收面上提供均匀的辐照度，有利于斯特林发动机的长期可靠高效运行。所设计的太阳模拟器能够在接收孔径处提供足够的辐射功率。它可以作为斯特林发动机的实验平台。

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2013 International Conference on Materials for Renewable Energy and Environment

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