[EnergyPlus_Support] UFAD diffuser

["Long Phan" <ltb.phan@xxxxxxxxx>]

Hi All,

I am trying to model the perforated floor tiles in an UFAD system. I do not know whether E+ has model for it. So I went on and tried to use RoomAirSettng:UnderFloorAirDistributionInterior Object. 

For the Field: Diffuser Type, I did not see any suitable model for the perforated floor tiles. What E+ has are Swirl|VariableArea|Honrizontal Swirl|LinearBarGrilles|Custom Option. But none of them could represent the correct perforated floor tiles, so I thought that I might have to use the Custom option for my particular diffuser type. When I had to specify the Coefficient A,B, C, D, and E in the equation Kc =A*Gamma**B + C + D*Gamma + E*Gamma**2 since for the Custom Option I had to provide these parameter values. Any ideas?

Thanks,
Long



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