基于Matlab的重庆地区太阳辐射仿真

针对年日照时数或累年日太阳辐射月均值误差较大,而逐时太阳辐射观测值虽然准确度较高,却数据量巨大,不便于研究使用和工程运用这一问题,结合太阳辐射数学模型和重庆市气象统计数据,采用先分别计算散射辐射和直射辐射,然后进行叠加的方式,利用Matlab软件建立了重庆地区太阳辐射仿真模型。仿真计算结果表明,该模型准确度较好,为进一步研究打下了良好基础。

The Simulation of Solar Radiation in Chongqing Based on Matlab

Annual sunshine hours and monthly mean daily global radiation that are used to calculate approximately have great error.The observation values of solar radiation per hour are huge and hard to study and apply.Aiming at this problem,in combination with the sun radiation mathematical model and meteorological statistics in Chongqing,and on the basis of the serial operation of first calculation of diffusive radiation and direct radiation in turn and second superposition of the calculation results,the simulation model of solar radiation in Chongqing is established with application of Matlab.The simulation results show that the model is of high degree of accuracy and of solid basis for the further study.