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For a clear day, the normal direct solar irradiation GND is 900 w/m2 and the diffuse...

For a clear day, the normal direct solar irradiation GND is 900 w/m2 and the diffuse solar irradiation Gd is 150 w/m2. The solar angle of incidence on the window is 30°. At this angle of incidence, the transmittance of direct radiation and diffuse radiation are 0.75 and 0.8, respectively, while the absorptance of direct radiation and diffuse radiation are 0.05 and 0.4, respectively.

What is the total solar radiation on the window?

What is the total solar heat gain to the room through window?

Engineering   Mechanical-Engineering   
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