Solar radiation

20 abril 2015, 12:30 • Pedro Jorge Martins Coelho

Solar radiation: the extra-terrestrial solar radiation, sun-earth geometric relationship, solar time and angles. Calculation of the angle of incidence for horizontal, tilted and vertical surfaces. Calculation of the total amount of radiation incident on a surface during a period of time, neglecting the earth atmosphere.

Atmospheric extinction of solar radiation. Direct and diffuse components.

Solar collectors: energy balance and collector efficiency.