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北京地区太阳散射辐射模型

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摘要 进行建筑物空调系统全年或季节能耗分析以及太阳能系统设计分析时,需要已知太阳总辐射和散射辐射数据。我国大多数地区只有总辐射观测,没有直接辐射或散射辐射观测,因此需要一种估计散射的方法。根据北京地区近10年(1995-2004)的实测数据,分析了日散射与日总射和日照时长的关系,分别建立了日散射的九个多项式拟合模型。模型的精确性通过平均百分误差、平均偏差和均方根误差来进行对比。结果表明,模型9的精度最高。
作者 程小军
出处 《武警工程学院学报》 2009年第6期69-72,共4页 Journal of Engineering College of Armed Police Force
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