6.2.4.21 Pset_OutsideDesignCriteria
6.2.4.21.1 Semantic definition
Outside air conditions used as the basis for calculating thermal loads at peak conditions, as well as the weather data location from which these conditions were obtained.
HISTORY: New property set in IFC Release 1.0.
6.2.4.21.2 Applicable entities
6.2.4.21.3 Properties
| Name | Property Type | Data Type | Description | |
|---|---|---|---|---|
| HeatingDryBulb | IfcPropertySingleValue | IfcThermodynamicTemperatureMeasure |
Dry bulb temperature for heating design. At outside. |
|
| HeatingWetBulb | IfcPropertySingleValue | IfcThermodynamicTemperatureMeasure |
Outside wet bulb temperature for heating design. |
|
| HeatingDesignDay | IfcPropertySingleValue | IfcDateTime |
The month, day and time that has been selected for the heating design calculations. |
|
| CoolingDryBulb | IfcPropertySingleValue | IfcThermodynamicTemperatureMeasure |
Dry bulb temperature, usually for for cooling design. Outside dry bulb temperature |
|
| CoolingWetBulb | IfcPropertySingleValue | IfcThermodynamicTemperatureMeasure |
Outside wet bulb temperature for cooling design. |
|
| CoolingDesignDay | IfcPropertySingleValue | IfcDateTime |
The month, day and time that has been selected for the cooling design calculations. |
|
| WeatherDataStation | IfcPropertySingleValue | IfcText |
The site weather data station description or reference to the data source from which weather data was obtained for use in calculations. |
|
| WeatherDataDate | IfcPropertySingleValue | IfcDateTime |
The date for which the weather data was gathered. |
|
| BuildingThermalExposure | IfcPropertyEnumeratedValue | PEnum_BuildingThermalExposure |
The thermal exposure expected by the building based on surrounding site conditions. |
|
| PrevailingWindDirection | IfcPropertySingleValue | IfcPlaneAngleMeasure |
The prevailing wind angle direction measured from True North (0 degrees) in a clockwise direction. |
|
| PrevailingWindVelocity | IfcPropertySingleValue | IfcLinearVelocityMeasure |
The design wind velocity coming from the direction specified by the PrevailingWindDirection attribute. |