Re: [EnergyPlus_Support] Surface:HeatTransfer:ExteriorNaturalVentedCavity

[fred buhl <wfbuhl@xxxxxxx>]

I believe that Surface:HeatTransfer:ExteriorNaturalVentedCavity can be 
used only for an
opaque outside surface. The other 2 options are described in Alexandra 
Pappas' reply.

Fred Buhl

Ian Doebber wrote:

>I'm investigating a double skin façade and want essentially to calculate the overall SC and U-value that varies hourly across my design day.  I started to use the 
>Surface:HeatTransfer:ExteriorNaturalVentedCavity but can this input incorporate an transparent material.  From the only material inputs of solar absorptivity and emmissivity, I'm assuming that E+ treats the baffle as an opaque surface.  Is there a way that I can model this baffle as transparent.  If not, what other modules can I use to model double skin façade that transmits light.
>
>THanks
>
>Ian
>
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