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首页> 外文期刊>Energy Conversion & Management >CORRELATION OF TOTAL SOLAR RADIATION WITH COMMON METEOROLOGICAL PARAMETERS FOR YOLA AND CALABAR, NIGERIA
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CORRELATION OF TOTAL SOLAR RADIATION WITH COMMON METEOROLOGICAL PARAMETERS FOR YOLA AND CALABAR, NIGERIA

机译:尼日利亚约拉和卡拉巴拉的总太阳辐射与常见气象参数的相关性

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摘要

An attempt has been made to correlate the total solar radiation for Yola and Calabar with available meteorological data on sunshine duration, maximum air temperature and relative humidity using some of the model equations recently proposed. Yearly and seasonal (wet and dry seasons) variations have been considered. For Calabar, excellent fits (standard error of estimate, Se ≤ 0.005, adjusted coefficient of determination, R_a~2 ≥ 0.994, maximum percentage error, MPE ≤ 2%) are achieved using 3- or 4-par-ameter model equations for both yearly and seasonal variations. For Yola, an 8-parameter model equation is necessary to obtain a good yearly fit (Se = 0.008, R_a~2 = 0.989, MPE = 2%), while 4-parameter model equations for the two seasons give satisfactory fits (MPE ≤ 2.5%). However, using smaller time intervals (of 3 or 4 months), much better fits (MPE < 1%) can be obtained using only 2- or 3-parameter model equations as appropriate.
机译:尝试使用最近提出的一些模型方程式,将约拉和卡拉巴尔的总太阳辐射与日照时间,最高气温和相对湿度的可用气象数据相关联。已经考虑了年度和季节性(湿季和旱季)的变化。对于Calabar,使用3-或4-参数模型方程,可以实现极好的拟合(估计标准误差,Se≤0.005,调整的测定系数,R_a〜2≥0.994,最大百分比误差,MPE≤2%)。每年和季节性变化。对于Yola,必须使用8参数模型方程式才能获得良好的年度拟合度(Se = 0.008,R_a〜2 = 0.989,MPE = 2%),而两个季节的4参数模型方程式具有令人满意的拟合度(MPE≤ 2.5%)。但是,使用较小的时间间隔(3或4个月),仅使用2或3参数模型方程式即可获得更好的拟合度(MPE <1%)。

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