DOI: 10.1016/J.ENERGY.2004.04.040
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摘要: Abstract For many solar-related applications, it is important to separately predict the direct and diffuse components of irradiance or illuminance. Under clear skies, turbidity plays a determinant role in quantitatively affecting these components. In this paper, various aspects effect on both spectral broadband radiation are addressed, as well uncertainty predictions due inaccurate data, current improvements obtaining necessary data.