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[EnergyPlus_Support] Re: F-VALUE



No solution as of yet.  ASHRAE only gives you values for a completely thermally broken slab which is a nice idea but often not feasible.  There is really no way to compute these values as far as I understand.

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "James" <jhuemoe@...> wrote:
>
> Trying to figure out the best method for modeling the foundation.
> 
> How do you properly account for the F-Value when your floor slab is broken up into many different zones?  I assume that the F-value only works for the exterior perimeter of the building slab but energy plus cant seem to differentiate between and interior perimeter and and exterior perimeter slab.
> 
> Also does anyone know how to calculate the F-Factor to ensure minimum values are being met?
> 
> Also what are some other methods for modeling a slab on grade?
>




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