Functions

Surface heat transfer

FastSmoothBuildings.Envelope.Functions, package (source)

Class	Description
interiorConvection	Heat from a room surface to the air: natural convection, or a fixed coefficient
skyExchange	Long-wave exchange with sky and ground (Buildings SkyRadiationExchange)
gapConductance	Conductance of a vertical gas gap between two panes per unit area: convection of the gas (Buildings.HeatTransfer.Windows.BaseClasses.GasConvection and convectionVerticalCavity) and long-wave exchange between the two panes, opaque to it, at their temperatures (Buildings exchanges exactly)
overhangSunlitFraction	Fraction of a window lit by the direct sun below an overhang: the superposition of rectangles of Buildings.HeatTransfer.Windows.BaseClasses.Overhang, with its smooth minima, maxima and steps, explicit
sideFinsSunlitFraction	Fraction of a window lit by the direct sun between two side fins: the superposition of rectangles of Buildings.HeatTransfer.Windows.BaseClasses.SideFins, with its smooth minima, maxima and steps, explicit
exteriorExchange	Heat from an outer surface to the outside: natural and wind-driven convection (Buildings TemperatureWind) or a fixed coefficient, and long-wave exchange with sky and ground

Heat transfer at the surfaces: interior convection, exchange with sky and ground, conductance of the gas gaps, sunlit fractions of a window under an overhang and between side fins.