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首页> 外文会议>Nonimaging optics: efficient design for illumination and solar concentration XIII - commemorating the 50th anniversary of nonimaging optics >Design of a segmented nonimaging Fresnel lens optimized for non-tracking solar collection
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Design of a segmented nonimaging Fresnel lens optimized for non-tracking solar collection

机译：分段非成像菲涅耳透镜的设计，针对非跟踪太阳能收集进行了优化

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摘要

The success of solar systems, such as photovoltaic and sunlight illumination systems, is principally determined by the primary optical element used as collector. On this subject, the design of a segmented nonimaging Fresnel lens is presented; this collector is formed by the conjunction of different zones for solar collection, where every zone is made of a nonimaging Fresnel lens that collects a specific angular range of sunlight, according to the solar radiation of the northeast received in Mexico. Every collector section focus in a common area. The different zones are designed considering the apparent solar movement due to the daytime and the seasonal displacement over the year. The collector total performance is presented, including spatial and angular distribution. The collector presents an average performance over 80%, with an acceptance half-angle of 120°, and a collection area similar to that in a collector with 45° of acceptance half-angle.
机译：太阳能系统（例如光伏和日光照明系统）的成功主要取决于用作收集器的主要光学元件。在这个问题上，提出了分段非成像菲涅耳透镜的设计。该收集器由不同区域的太阳能收集区组成，每个区域均由非成像菲涅耳透镜构成，该透镜根据墨西哥东北部接收到的太阳辐射，收集特定角度的阳光。每个收集器部分都集中在一个公共区域。设计不同区域时要考虑到由于白天和一年中的季节性位移而引起的明显太阳运动。介绍了收集器的总体性能，包括空间和角度分布。该收集器表现出超过80％的平均性能，接收半角为120°，其收集区域类似于具有45°接收半角的收集器。

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