7.5.4.16 Pset_CoilPHistory
7.5.4.16.1 Semantic definition
Coil performance history common attributes. Sound attribute deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead.
7.5.4.16.2 Applicable entities
7.5.4.16.3 Properties
| Name | Property Type | Data Type | Description | |
|---|---|---|---|---|
| AtmosphericPressure | IfcPropertyReferenceValue | IfcTimeSeries | 
 Ambient atmospheric pressure.  | 
|
| AirPressureDropCurveHistory | IfcPropertyReferenceValue | IfcTimeSeries | 
 Air pressure drop curve, pressure drop – flow rate curve, AirPressureDrop = f (AirflowRate).  | 
|
| SoundCurveHistory | IfcPropertyReferenceValue | IfcTimeSeries | 
 Regenerated sound versus air-flow rate.  | 
|
| FaceVelocity | IfcPropertyReferenceValue | IfcTimeSeries | 
 Air velocity through the coil.  |