Abstract
An analysis of solar-radiation records obtained at Scarborough, Ontario, indicates that the insolation in Canada can be significantly greater than the values given by Moon's 1 standard solar-radiation curves. It is possible to represent the solar data by a single analytical expression involving an atmospheric extinction coefficient and an apparent value of the solar constant. This expression allows the calculation of insolation on any surface and the determination of the time and date when the maximum insolation can occur for any surface. Simple expressions relate the time, date, latitude, building orientation, and the type of window glass and shading with the solar heat gain through windows. These can be used to program any digital computer to compute design values of the instantaneous heat gain through the windows of a building.
Highlights
An analysis of solar-radiation records obtained at positioii of the suii arc certaiiily iiot ne\v
12asic Equatio~isfor Solar Irracliation data by a si~lgleanal3 tical cspression involving an Dcsigii valucs oi' the solar ~,adiatioiircachiiig the atinospheric evtinctio~l coefficient and ail 31)- suifacc1 of t t ~ cearth shoulcl bc based oil a statistical parent value of the solar constant. 'l'his c~pression analysis of solar-radiatioii rcco~~clsI.f tlicy are iiot a1lotc.s the calculation of insolation on an? surfacc available, thc oiily altcriiativc is to calculate thc valucs and the determination of the time :~nc-dl ate when tliat \vould obtain lor sorilc assumc~clatinosphcrc~.Iii the ~ nasimu minsolation can occur for any sur- 1940 lloolil folloitrccl this latter course aiid published face
Sinlple expressions relate the time, date, his proposed standard solar-radiation curves for enlatitude, building orientation, and the type of' giilccriilg use. These data have bccu used siilce that window glass and shading with the solar heat gain tirile for no st cngincerii~gdesign calculations iiivolviiig through \c-indows.These can be used to program solar ci~crgy.I n the rncantinlc, there has becii a great any digital computer to con~putedesign values of increase in tlic number of stations ~nakirigcoiiti~iuous the instantaileous heat gain through the windows mrasurrmeuts of solar radiation, so that it has become of a building
Summary
An analysis of solar-radiation records obtained at positioii of the suii arc certaiiily iiot ne\v. Sinlple expressions relate the time, date, his proposed standard solar-radiation curves for enlatitude, building orientation, and the type of' giilccriilg use.
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