ESTIMATION OF SOLAR RADIATION IN AUSTRALASIAN LOCALITIES ON CLEAR DAYS.
COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANIZATION MELBOURNE (AUSTRALIA) DIV OF BUILDING RESEARCH
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The derivation of empirical relations expressing direct and diffuse solar radiation as functions of solar altitude and angle of incidence from measurements made in Melbourne is described, and methods are suggested for calculating direct and diffuse solar radiation on horizontal, vertical, and sloping surfaces in other Australasian localities. Clear-sky conditions only are dealt with but methods are available Tonne and Normann 1959 Page 1961 for estimation of the radiation on cloudy days using clear-sky data and hours of sunshine. The transmission of direct solar radiation through glass is also considered. Author