Namespaces
- Autodesk.Revit.ApplicationServices Namespace
- Autodesk.Revit.Attributes Namespace
- Autodesk.Revit.Creation Namespace
- Autodesk.Revit.DB Namespace
- Autodesk.Revit.DB.Analysis Namespace
- Autodesk.Revit.DB.Architecture Namespace
- Autodesk.Revit.DB.DirectContext3D Namespace
- Autodesk.Revit.DB.Electrical Namespace
- Autodesk.Revit.DB.Events Namespace
- Autodesk.Revit.DB.ExtensibleStorage Namespace
- Autodesk.Revit.DB.ExternalService Namespace
- Autodesk.Revit.DB.Fabrication Namespace
- Autodesk.Revit.DB.IFC Namespace
- Autodesk.Revit.DB.Lighting Namespace
- Autodesk.Revit.DB.Macros Namespace
- Autodesk.Revit.DB.Mechanical Namespace
  - ComponentClassification Enumeration
  - ConditionType Enumeration
  - Duct Class
  - DuctFittingAndAccessoryConnectorData Class
  - DuctFittingAndAccessoryData Class
    - DuctFittingAndAccessoryData Members
    - DuctFittingAndAccessoryData Methods
    - DuctFittingAndAccessoryData Properties
      - AirViscosity Property
      - IsValidObject Property
      - Origin Property
      - PartType Property
      - ServerGUID Property
      - SystemClassification Property
  - DuctFittingAndAccessoryPressureDropData Class
  - DuctFittingAndAccessoryPressureDropItem Class
  - DuctFlowConfigurationType Enumeration
  - DuctInsulation Class
  - DuctInsulationType Class
  - DuctLining Class
  - DuctLiningType Class
  - DuctLossMethodType Enumeration
  - DuctPressureDropData Class
  - DuctSettings Class
  - DuctShape Enumeration
  - DuctSizeIterator Class
  - DuctSizes Class
  - DuctSizeSettingIterator Class
  - DuctSizeSettings Class
  - DuctSystemType Enumeration
  - DuctType Class
  - FlexDuct Class
  - FlexDuctType Class
  - IDuctFittingAndAccessoryPressureDropServer Interface
  - IDuctPressureDropServer Interface
  - MechanicalEquipment Class
  - MechanicalFitting Class
  - MechanicalSystem Class
  - MechanicalSystemType Class
  - MechanicalUtils Class
  - MEPBuildingConstruction Class
  - MEPBuildingConstructionSet Class
  - MEPBuildingConstructionSetIterator Class
  - MEPSection Class
  - MEPSpaceConstruction Class
  - OccupancyUnit Enumeration
  - ReturnAirflowType Enumeration
  - RiseDropSymbol Enumeration
  - Space Class
  - SpaceFilter Class
  - SpaceSet Class
  - SpaceSetIterator Class
  - SpaceTag Class
  - SpaceTagFilter Class
  - SpaceTagType Class
  - SpaceType Enumeration
  - SystemCalculationLevel Enumeration
  - Zone Class
- Autodesk.Revit.DB.Plumbing Namespace
- Autodesk.Revit.DB.PointClouds Namespace
- Autodesk.Revit.DB.Structure Namespace
- Autodesk.Revit.DB.Structure.StructuralSections Namespace
- Autodesk.Revit.DB.Visual Namespace
- Autodesk.Revit.Exceptions Namespace
- Autodesk.Revit.UI Namespace
- Autodesk.Revit.UI.Events Namespace
- Autodesk.Revit.UI.Macros Namespace
- Autodesk.Revit.UI.Mechanical Namespace
- Autodesk.Revit.UI.Plumbing Namespace
- Autodesk.Revit.UI.Selection Namespace
What's New

AirViscosity Property

The air viscosity of the duct fitting or duct accessory, Units: (kg/(ftÂ·s)).

Namespace: Autodesk.Revit.DB.Mechanical
Assembly: RevitAPI (in RevitAPI.dll) Version: 18.0.0.0 (18.2.0.13)
Since: 2014

Syntax

C#
public double AirViscosity { get; }

Visual Basic
Public ReadOnly Property AirViscosity As Double Get

Visual C++
public: property double AirViscosity { double get (); }

Syntax

See Also