Pset_DistributionSystemTypeVentilation |
Definition from IAI: This property set is used to define the general characteristics of the duct design parameters within a system.
HISTORY: New property set in IFC Release 2.0. Renamed from Pset_DuctDesignCriteria in IFC 2x4. |
Property Name (mandatory) |
Property Description and Allowed Values |
Property Value |
DesignName |
A name for the design values. |
|
n/a |
DuctSizingMethod |
Enumeration that identifies the methodology to be used to size system components. |
constantfriction |
constantpressure |
staticregain |
other |
notknown |
unset |
|
unset |
PressureClass |
Nominal pressure rating of the system components. (Data type = PressureMeasure) |
|
0. |
LeakageClass |
Nominal leakage rating for the system components. |
|
0. |
FrictionLoss |
The pressure loss due to friction per unit length. (Data type = PressureMeasure/LengthMeasure) |
|
0. |
ScrapFactor |
Sheet metal scrap factor. |
|
0. |
Organization |
buildingSMART United Kingdom and Ireland Chapter |
bS UKI |
MaximumVelocity |
The maximum design velocity of the air in the duct or fitting. |
|
0. |
AspectRatio |
The default aspect ratio. |
|
0. |
MinimumHeight |
The minimum duct height for rectangular, oval or round duct. |
|
0. |
MinimumWidth |
The minimum duct width for oval or rectangular duct. |
|
0. |