The influence of convective heat exchange on the temperature of a solarvoltaic array

The influence of convective heat exchange on the temperature of a solarvoltaic array (SVA) is studied. It is shown that the temperature of a SVA depends significantly on the wind velocity if the temperature of the environment is less than 30°C; the temperature decreases by 40%, while the wind veloci...

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Bibliographic Details
Published in:Applied solar energy 2014-10, Vol.50 (4), p.236-237
Main Authors: Tursunov, M. N., Dyskin, V. G., Turdiev, B. M., Yuldashev, I. A.
Format: Article
Language:English
Subjects:
Arrays
Electrical Machines and Networks
Engineering
Heat exchange
Heat transfer
Power Electronics
Radiation
Solar energy
Solar Power Plants and Their Application
Temperature
Velocity
Wind speed
Wind velocity
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Summary:The influence of convective heat exchange on the temperature of a solarvoltaic array (SVA) is studied. It is shown that the temperature of a SVA depends significantly on the wind velocity if the temperature of the environment is less than 30°C; the temperature decreases by 40%, while the wind velocity increases from 1 to 10 m/s. In this case use of a photo heat-regenerating unit is inefficient. If the environmental temperature is more than 30°C, then the change of the SVA temperature depends slightly on the wind velocity and it is necessary to cool it for the efficient operation of the SVA. At a wind velocity of less than 2 m/s the SVA is cooled both due to convective and radiation heat exchange. At a wind velocity of more than 2 m/s the convective heat exchange prevails over the radiation heat exchange.
ISSN:0003-701X
1934-9424
DOI:10.3103/S0003701X14040173