SURFACECONVECTIONALGORITHM:OUTSIDE:USERCURVE
Used to describe a custom model equation for surface convection heat transfer coefficient If more than one curve is referenced they are all used and added together.
Name
Wind Speed Type for Curve
Type: choice
(WeatherFile, HeightAdjust, ParallelComponent or ParallelComponentHeightAdjust)
Default: HeightAdjust
Hf Function of Wind Speed Curve Name
Type: list of objects
(
CURVE:CUBIC,
CURVE:EXPONENTIALDECAY,
CURVE:FUNCTIONAL:PRESSUREDROP,
CURVE:SIGMOID,
CURVE:RECTANGULARHYPERBOLA2,
CURVE:DOUBLEEXPONENTIALDECAY,
TABLE:LOOKUP,
CURVE:RECTANGULARHYPERBOLA1,
CURVE:QUARTIC,
CURVE:EXPONENT,
CURVE:QUADRATIC,
CURVE:EXPONENTIALSKEWNORMAL or
CURVE:LINEAR)
Curve's "x" is wind speed of the type determined in the previous field (m/s)
Hn Function of Temperature Difference Curve Name
Type: list of objects
(
CURVE:CUBIC,
CURVE:EXPONENTIALDECAY,
CURVE:FUNCTIONAL:PRESSUREDROP,
CURVE:SIGMOID,
CURVE:RECTANGULARHYPERBOLA2,
CURVE:DOUBLEEXPONENTIALDECAY,
TABLE:LOOKUP,
CURVE:RECTANGULARHYPERBOLA1,
CURVE:QUARTIC,
CURVE:EXPONENT,
CURVE:QUADRATIC,
CURVE:EXPONENTIALSKEWNORMAL or
CURVE:LINEAR)
Curve's "x" is absolute value of delta-T (Surface temperature minus air temperature, (C))
Hn Function of Temperature Difference Divided by Height Curve Name
Type: list of objects
(
CURVE:CUBIC,
CURVE:EXPONENTIALDECAY,
CURVE:FUNCTIONAL:PRESSUREDROP,
CURVE:SIGMOID,
CURVE:RECTANGULARHYPERBOLA2,
CURVE:DOUBLEEXPONENTIALDECAY,
TABLE:LOOKUP,
CURVE:RECTANGULARHYPERBOLA1,
CURVE:QUARTIC,
CURVE:EXPONENT,
CURVE:QUADRATIC,
CURVE:EXPONENTIALSKEWNORMAL or
CURVE:LINEAR)
Curve's "x" is absolute value of delta-T/Height (Surface temp minus Air temp)/(vertical length scale), (C/m) when used for an outside face the vertical length scale is the exterior facade's overall height