8.10.4.4 Pset_MaterialEnergy
8.10.4.4.1 Semantic definition
A set of extended material properties for energy calculation purposes.
8.10.4.4.2 Applicable entities
8.10.4.4.3 Properties
| Name | Property Type | Data Type | Description | |
|---|---|---|---|---|
| ViscosityTemperatureDerivative | IfcPropertySingleValue | IfcReal | 
 Viscosity temperature derivative.  | 
|
| MoistureCapacityThermalGradient | IfcPropertySingleValue | IfcReal | 
 Thermal gradient coefficient for moisture capacity. Based on water vapor density.  | 
|
| ThermalConductivityTemperatureDerivative | IfcPropertySingleValue | IfcReal | 
 Thermal conductivity temperature derivative.  | 
|
| SpecificHeatTemperatureDerivative | IfcPropertySingleValue | IfcReal | 
 Specific heat temperature derivative.  | 
|
| VisibleRefractionIndex | IfcPropertySingleValue | IfcReal | 
 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 | IfcPropertySingleValue | IfcReal | 
 Index of refraction (solar) defines the "bending" of the solar ray when it passes from one medium into another.  | 
|
| GasPressure | IfcPropertySingleValue | IfcPressureMeasure | 
 Fill pressure (e.g. for between-pane gas fills): the pressure exerted by a mass of gas confined in a constant volume.  |