José V. Boscá

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The purpose of this paper is to analyze the external factor perturbations on solar radiation. Firstly, the influence on the photon distribution function in the space of frequencies is analyzed and, later, the modification generated in equations of internal energy, entropy, and radiation is viewed in order to deduce an expression to calculate the spectral(More)
Taking advantage of UV (290295-385 nm) irradiance measurements is one of the objectives of this paper. A new index termed kt’’ is established for this band. This new index works as a ‘zenith angle independent clearness index’ for band measurements and has similar applications to those of kt for broadband measurements. The new index may be applied to(More)
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