7.5.2.19 IfcFanTypeEnum
7.5.2.19.1 Semantic definition
Enumeration defining the typical types of fans.
7.5.2.19.2 Type values
| Type | Description |
|---|---|
CENTRIFUGALAIRFOIL
|
Air flows through the impeller radially using blades that are airfoil shaped. |
CENTRIFUGALBACKWARDINCLINEDCURVED
|
Air flows through the impeller radially using blades that are backward curved. |
CENTRIFUGALFORWARDCURVED
|
Air flows through the impeller radially using blades that are forward curved. |
CENTRIFUGALRADIAL
|
Air flows through the impeller radially using blades that are uncurved or slightly forward curved. |
PROPELLORAXIAL
|
Air flows through the impeller axially and small hub-to-tip ratio impeller mounted in an orifice plate or inlet ring. |
TUBEAXIAL
|
Air flows through the impeller axially with reduced tip clearance and operating at higher tip speeds. |
VANEAXIAL
|
Air flows through the impeller axially with guide vanes and reduced running blade tip clearance. |
USERDEFINED
|
User-defined fan type. |
NOTDEFINED
|
Undefined fan type. |
7.5.2.19.3 Formal representation
TYPE IfcFanTypeEnum = ENUMERATION OF
(CENTRIFUGALAIRFOIL
,CENTRIFUGALBACKWARDINCLINEDCURVED
,CENTRIFUGALFORWARDCURVED
,CENTRIFUGALRADIAL
,PROPELLORAXIAL
,TUBEAXIAL
,VANEAXIAL
,USERDEFINED
,NOTDEFINED);
END_TYPE;