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首页> 外文期刊>Research Journal of Physical Sciences >Determination of the optimal tilt angle for a tilted solar panel in Kathmandu, Nepal using isotropic model
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Determination of the optimal tilt angle for a tilted solar panel in Kathmandu, Nepal using isotropic model

机译：用各向同性模型确定尼泊尔加德满都倾斜太阳能电池板的最佳倾斜角

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摘要

Different types of geographical and climatological parameters are necessary to evaluate the performance of a solar panel. A solar device will perform efficiently if it receives maximum solar radiation throughout the day. To achieve this, the angle of tilt of the panel should be optimized periodically. This project aims to calculate the optimal angle oftilt for any solar panel located in Kathmandu (27.7°N latitude) for every month using Liu and Jordan's Isotropic Model. The monthly and the annual optimum tilt angles are calculated for a south facing tilted surface which are almost equivalent to the latitude of the site. Further, the optimum tilt angle decreases from a peak value of 28° in January to a minimum of 20° in July and again rises to a maximum of 28° in December. It is found that the tilt angle should be optimized annually or monthly in order to boost the effectiveness of the sun oriented collector as opposed to setting it on the level ground which is the usual practice. However, there will be an annual loss of 0.0714% in irradiance if the optimization process is conducted annually instead of monthly.
机译：评估太阳能电池板的性能需要不同类型的地理和气候参数。如果太阳能设备全天接收最大的太阳辐射，则它将高效地运行。为此，应定期优化面板的倾斜角度。该项目旨在使用Liu和Jordan的各向同性模型来计算每个加德满都（纬度27.7°N）的太阳能板的最佳倾斜角。计算面向南方的倾斜表面的月度和年度最佳倾斜角，这些角度几乎等于该地点的纬度。此外，最佳倾斜角从一月份的峰值28°减小到七月份的最小值20°，然后在十二月份再次增大到最大值28°。已经发现，应该每年或每月对倾斜角进行优化，以提高面向太阳的集热器的效率，而不是像通常那样将其设置在水平地面上。但是，如果优化过程是每年而不是每月进行一次，则辐照度每年将损失0.0714％。

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