7.5.4.37 Pset_DuctFittingPHistory
7.5.4.37.1 Semantic definition
Duct fitting performance history common attributes.
7.5.4.37.2 Applicable entities
7.5.4.37.3 Properties
| Name | Property Type | Data Type | Description | |
|---|---|---|---|---|
| LossCoefficient | IfcPropertyReferenceValue | IfcTimeSeries |
Dimensionless loss coefficient used for calculating fluid resistance representing the ratio of total pressure loss to velocity pressure at a referenced cross-section. |
|
| AtmosphericPressure | IfcPropertyReferenceValue | IfcTimeSeries |
Ambient atmospheric pressure. |
|
| AirFlowLeakage | IfcPropertyReferenceValue | IfcTimeSeries |
Volumetric leakage flow rate. |