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Optical and thermal comparison between ordinary and mirror blades reflector for solar parabolic trough collector

机译：太阳能抛物槽收集器的普通和镜面反射器之间的光学和热比较

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For technical and economic reasons the realization of a parabolic trough concentrator prototype seems very difficult, this is due to the parabolic form of mirror, mention that there are two solutions that can be made, using a reflective sheet where the disadvantages of it are low reflectivity quality and short life, the second solution is the use of mirror blades placed on a parabolic shaped support. In this work we try to understand the difference between mirror blades concentrator and ordinary parabolic concentrator trough. We make an optical and thermal simulation of two concentrator types. For the optical simulation we use TracePro software, we suppose that the concentrators are oriented directly towards the sun and the irradiance value is 1000 w/m². For the thermal simulation we use TRNSYS software, we simulated the two concentrators throughout the year in the Ghardaia region in Algeria. The results showed that there is a difference between the two concentrator types due to deformation of the concentration line, causes a decrease of concentration factor and subsequently a decrease of captured useful energy.
机译：出于技术和经济原因，抛物槽式聚光器原型的实现似乎非常困难，这是由于反射镜的抛物线形式所致，提到可以使用反射片实现两种解决方案，其缺点是反射率低高质量和短寿命，第二个解决方案是使用放置在抛物线形支架上的镜面刀片。在这项工作中，我们试图了解镜面叶片集中器和普通抛物面集中器槽之间的区别。我们对两种聚光器类型进行了光学和热模拟。对于光学仿真，我们使用TracePro软件，我们假设聚光器直接对准太阳，辐照度值为1000 w /m²。对于热模拟，我们使用TRNSYS软件，我们全年对阿尔及利亚Ghardaia地区的两个集中器进行了模拟。结果表明，由于集中线的变形，两种集中器之间存在差异，导致集中系数降低，随后捕获的有用能量降低。

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