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Expressions for absorptance of the cover plates with/without an absorbing surface
Author(s) -
Bhargava A. K.,
Prakash J.,
Sabberwal S. P.
Publication year - 1983
Publication title -
international journal of energy research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.808
H-Index - 95
eISSN - 1099-114X
pISSN - 0363-907X
DOI - 10.1002/er.4440070202
Subject(s) - cover (algebra) , insolation , absorptance , surface (topology) , materials science , thermal , optics , angle of incidence (optics) , physics , geometry , meteorology , mathematics , reflectivity , geology , engineering , mechanical engineering , climatology
Expressions are obtained for calculating the fraction of insolation absorbed by each plate of a cover system for solar thermal devices having n non‐identical plates in the presence/absence of an absorbing surface below the cover system. The average angle of incidence, averaged over 277 clear days of 1974, is obtained for the absorbing surface and for a cover system having one, two or three plates.