太阳辐射两级区化方法及其应用
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TU119.2

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国家自然科学基金(51325803、51608423);陕西省自然科学基础研究计划(2017JM5127)


Two-stage regionalization method and application of solar irradiation
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    摘要:

    完整准确的太阳辐射数据是利用太阳能的前提,但实测数据严重匮乏,建立太阳辐射区域估算模型可以有效解决数据缺失的问题。提出太阳辐射两级区划方法,以晴空指数为一级区划指标,日照时数和平均温度为二级区划指标,对中国太阳辐射气候进行区域划分,共得到17个太阳辐射区,通过建立区域模型计算该区域内无辐射实测数据台站的日总辐射量。以陕西省为例,计算全省范围内33个台站的日总辐射量,结果显示,累年平均日总辐射量由陕北北部、陕北中部至关中、陕南逐渐递减,分布状况与纬度、气候和地形对太阳辐射强度的影响机理相符,表明太阳辐射两级区化方法可以用于日总辐射量计算中。

    Abstract:

    Complete and accurate radiation data is the precondition for using solar energy,but measured data is severely lacking. The data situation can be change effectively by establishing solar radiation area estimation model Two-stage regionalization method for solar irradiation is proposed. Clearness index and mean temperature as the first-level and second-level index of regionalization separately are employing, solar climate can be divided into 17 solar zones in China. In each zone, daily global irradiation(DGI) data of the stations without measured data will be calculated with proper regional model. Taking shaanxi province as an example to estimate province-wide 33 stations DGI data, the result shows that the amount of yearly mean DGI gradually decreases from northernmost shaanxi, northern shaanxi, guanzhong region, to southern shaanxi. The solar mapping corresponds with the principle that local latitude, climate and terrain have influence on solar radiation intensity. This result indicates that two-stage regionalization method can be used in estimating DGI.

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引用本文

于瑛,杨柳,白鲁建.太阳辐射两级区化方法及其应用[J].土木与环境工程学报(中英文),2018,40(2):116-123. Yu Ying, Yang Liu, BaiLujian. Two-stage regionalization method and application of solar irradiation[J]. JOURNAL OF CIVIL AND ENVIRONMENTAL ENGINEERING,2018,40(2):116-123.10.11835/j. issn.1674-4764.2018.02.018

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  • 收稿日期:2017-06-19
  • 在线发布日期: 2018-03-08
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