| Name | Type | Description |
|---|
| ViscosityTemperatureDerivative |
P_SINGLEVALUE
/
IfcReal
|
 | Viscosity Temperature Derivative | Viscosity temperature derivative. |
|
| MoistureCapacityThermalGradient |
P_SINGLEVALUE
/
IfcReal
|
| Moisture Capacity Thermal Gradient | Thermal gradient coefficient for moisture capacity. Based on water vapor density. |
|
| ThermalConductivityTemperatureDerivative |
P_SINGLEVALUE
/
IfcReal
|
| Thermal Conductivity Temperature Derivative | Thermal conductivity temperature derivative. |
|
| SpecificHeatTemperatureDerivative |
P_SINGLEVALUE
/
IfcReal
|
| Specific Heat Temperature Derivative | Specific heat temperature derivative. |
|
| VisibleRefractionIndex |
P_SINGLEVALUE
/
IfcReal
|
| Visible Refraction Index | Index of refraction (visible) defines the "bending" of the sola! r ray in the visible spectrum when it passes from one medium into another. |
|
| SolarRefractionIndex |
P_SINGLEVALUE
/
IfcReal
|
| Solar Refraction Index | Index of refraction (solar) defines the "bending" of the solar ray when it passes from one medium into another. |
|
| GasPressure |
P_SINGLEVALUE
/
IfcPressureMeasure
|
| Gas Pressure | Fill pressure (e.g. for between-pane gas fills): the pressure exerted by a mass of gas confined in a constant volume. |
|
buildingSMART Data Dictionary
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