Effective reflectivity of “transparent-cover-radiation-absorbing heat-exchange-panel” system of flat solar collectors

An analytic expression is proposed to calculate the effective reflectivity of the “transparent-cover-radiation-absorbing heat-exchange-panel” system of flat solar collectors, considering the reflectivity of the radiation-absorbing surface of the heat-exchange panel. A practical example is presented...

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Bibliographic Details
Published in:Applied solar energy 2008-06, Vol.44 (2), p.100-102
Main Authors: Avezova, N. R., Avezov, R. R., Samiev, K. A.
Format: Article
Language:English
Subjects:
Electrical Machines and Networks
Engineering
Power Electronics
Radiation
Solar collectors
Solar energy
Solar radiation
Solar Units and Their Application
Studies
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Summary:An analytic expression is proposed to calculate the effective reflectivity of the “transparent-cover-radiation-absorbing heat-exchange-panel” system of flat solar collectors, considering the reflectivity of the radiation-absorbing surface of the heat-exchange panel. A practical example is presented of the calculation of the effective reflectivity of this system with single-layer transparent cover as a function of the integral coefficient of total solar radiation reflection by the radiation-absorbing surface of the heat-exchange panel.
ISSN:0003-701X
1934-9424
DOI:10.3103/S0003701X08020096