9-2 The Reflected Irradiance IRθ
Author: Source: Datetime: 2016-12-22 11:59:25
The reflected irradiance IRθAgFg-c = AcFc-g
Ac IRθ =ρ(IDH + IdH) AgFg-c
The slope of the reflected irradiance is isotropic, according to the law of angular coefficient interchange, there
Where, Ag is the ground area,Fg-c, Fc-g is the angular coefficient; ρ is the ground reflectivity; IRθ is the slope of the reflected irradiance.
While in closed space
In general, the total solar irradiance on the slant surface includes the solar direct irradiance IRθ on the slant surface, the solar scattering irradiance IRθ on the slant surface and the reflected irradiance IRθ on the slant surface.
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