Design and manufacture of a large-area collimation solar simulator
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摘要: 设计并研制了一种大面积准直型太阳模拟器,其有效辐照面直径达到1 100 mm,平均辐照度达到1.3个太阳常数(AM0),光束准直角为1.59。首先给出了太阳模拟器的光学系统,分别从光源选择和布局,椭球镜设计和准直镜设计进行了阐述;介绍了太阳模拟器的光机结构;进行了系统的仿真和实现。实验表明,太阳模拟器的平均辐照度达到1 760 W/m2,辐照不均匀度达到4.6%,辐照体不均匀度达到5.96%,辐照不稳定度达到1.36%,光谱匹配在300~1 400 nm波长范围内满足ASTM E927-10中AM0 B级要求,为航天有效载荷的热真空试验和热平衡试验提供了一个准确可靠的平台。Abstract: A large-area collimation solar simulator is designed and manufactured. The diameter of effective irradiated surface reaches 1 100 mm, the average irradiance reaches 1.3 sun constants(AM0), and the angle of collimation beam is 1.59. This paper firstly describes the optical system of the solar simulator, and expounds the light source selection and layout, ellipsoidal reflector and collimating mirror design respectively. Secondly, this paper introduces the system structure, and then expounds the system simulation and implementation. The experiments show that the average irradiance reaches 1 760 W/m2; the irradiance non-uniformity reaches 4.6%; the irradiance temporal instability is up to 1.36%; and the solar simulator spectral match meets the ASTM E927-10 the AM0 class B requirements in the wavelength range of 300-1400 nm. The solar simulator provides a precise and reliable platform of thermal vacuum and heat balance tests for the space payload.
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Key words:
- solar simulator /
- collimation beam /
- large area /
- off-Axis
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