[esp-r] Calculation of solar gains through complex shading devices

[Germán Molina Larrain]

Hello,

I am German Molina, and I am doing my MSc. on complex shading systems, and
how to treat them for simulation purposes (Lighting and Solar Heat Gains).
I do not really use ESPr or any other thermal simulation tools, just
Radiance for now.

Finished my literature review, I realized that one method used for lighting
(the Three-phase method) might be good to be a good estimator of the Solar
Heat Gains through complex fenestration systems... later I found out that
some people did this, and actually nowadays something very similar can be
implemented in EnergyPlus.

Long story short, I think (it is waiting for a validation) that I can
accurately calculate the Solar Heat Gains through virtually any complex
fenestration system of known BSDF matrices; and not only net solar heat
gains, but I think I can also say where the solar radiation is going
(calculate the fraction that goes to the ceiling, to the floor, etc.). How
difficult would it be to use this output as an input for ESPr? For what I
understand, ESPr does not handle very well these kind of systems?

What I am proposing can be actually reduced to just one phrase: Lets use
Radiance to what it does best (radiation transport) and ESPr to what I
think it does best (Thermal simulation).

THANKS VERY MUCH

German Molina
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