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

机译：太阳能抛物线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，抛物线槽浓缩器原型的实现似乎非常困难，这是由于抛物线形式的镜子，提到有两种可以制造的解决方案，其中使用它的缺点是低反射率质量和短暂的寿命，第二种解决方案是在抛物线形支撑上使用镜子刀片。在这项工作中，我们试图了解镜子叶片集中器和普通抛物面集中槽之间的差异。我们采用两种集中器类型的光学和热模拟。对于光学仿真，我们使用TracePro软件，我们假设集中器直接向太阳定向，辐照值为1000W / m＆＃x00b2;对于热仿真，我们使用Trnsys软件，我们在阿尔及利亚的Ghardaia地区全年模拟了两年集中器。结果表明，由于浓度线的变形，两个浓缩器类型之间存在差异，导致浓度因子的降低，随后减少捕获的有用能量。

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