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[EnergyPlus_Support] RoomAirModel - RoomAirSettings:ThreeNodeDisplacementVentilation

io ref:
"The model should be used with caution in zones which have large heat gains or losses through exterior walls or windows or which have considerable direct solar gain."

Can someone elaborate why? I have a factory 12 x 90 x 150 m with 25% skylight/roof so large solar gains an high machine heat gains (CNC milling machines) and 15 W/m² lighting.

Supply air is brought in at 0-1 m and exhaust is up at ceiling height.

Any clarification is welcome.



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