Equations for solar heat gain through windows

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DOIResolve DOI: http://doi.org/10.1016/0038-092X(65)90207-0
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Proceedings titleSolar Energy
ConferenceRegional Technical Conference of the Engineering Institute of Canada, 9 May 1964, Kingston, Ontario, Canada
Pages8186; # of pages: 6
Subjectheat gains; insolation (sunshine); windows; equations (maths); Heat performance
AbstractAn 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 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.
Publication date
AffiliationNational Research Council Canada; NRC Institute for Research in Construction
Peer reviewedNo
NRC number8527
NPARC number20378699
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Record identifier0f701c83-6a5f-406e-811c-d4958a8aadd2
Record created2012-07-24
Record modified2016-05-09
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