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fabrizio del dongo June 4, 2008 12:05

solar collector and selective behaviour of glasses
hallo, I'am modelling a building with an air solar collector. I am using the solar ray tracing to have the correct heat flux on the verical surface of the collector facing the south direction. The maximum temperature of the vertical surfaces of the collector is 45C. The date is the 9th of genuary at 14.00. In my opinon this value of temperature is too low probably because the model isn't able to consider the selective behaviour of glass. Can anyone help me to model the greenhouse effect between the glass and the opaque surface of the collectors? I am using solar ray tracing and rosseland radiantion model. Thank you

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