定日镜场的优化设计

Optimal Design of Heliostat Hield

高度概括研究目的、方法、结果及结论,展示该研究的创新之处。列出具体的实验条件及主要实验数据。力戒空洞,删除评论性语句。以新能源为主体的新型电力系统,是我国实现“碳达峰”“碳中和”目标的举措之一。塔式太阳能光热发电是一种低碳环保的新型清洁能源技术,因此塔式太阳能热发电电站中定日镜场优化布置问题在当前具有重大意义。本文从已有的数学出发,利用数学模型,借助matlab编程,将吸收塔建于该圆形定日镜场中心,利用几何模型公式计算出太阳高度角、太阳方位角、太阳赤纬角,进而计算出每个定日镜的光学效率,根据给定的月幅照度数据,计算每个时段辐照度,计算出每个定日镜接收的辐照热量并汇总得到总输出功率,再算出单位镜面面积的平均输出功率,最后得到定日镜场的年平均光学效率、年平均输出热功率,以及单位镜面面积年平均输出热功率,有助于合理设计定日镜场的位置以提高转化效率。

The purpose,methods,results and conclusions of the research are highly summarized,and the innovation of the research is demonstrated.The specific experimental conditions and main experimental data are listed.Refrain from voidness and delete critical statements.The new power system with new energy as the main body is one of the measures to achieve the goal of"carbon peak"and"carbon neutrality"in China.wer solar thermal power generation is a new clean energy technology of low carbon ande nvironmental protection,so the optimization of heliostat field layout in tower solar thermal power plants is of great significance at present.Based on the existing mathematics,this paper uses mathematical models and matlab programming to build the absorption tower in the center of the circular heliostat field,and uses the geometric model formula to calculate the solar altitude Angle,solar azimuth Angle and solar declination Angle,and then calculates the optical efficiency of each heliostat.According to the given monthly illuminance data,the irradiance of each period is calculated.The irradiated heat received by each heliostat is calculated and the total output power is summarized,and then the average output power per unit mirror area is calculated.Finally,the annual average optical efficiency,annual average thermal output power and annual average thermal output power per unit mirror area are obtained,which is helpful to rationally design the position of the heliostat field and improve the conversion efficiency.