Duct Settings Air Viscosity Property

Note: This API is now obsolete.

The kinematic viscosity of air in ft^2/s.

Namespace: Autodesk.Revit.DB.Mechanical
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)

Syntax

[ObsoleteAttribute("This property is deprecated in Revit 2025 and may be removed in a later version of Revit. Prefer AirDynamicViscosity instead.")]
public double AirViscosity { get; set; }

<ObsoleteAttribute("This property is deprecated in Revit 2025 and may be removed in a later version of Revit. Prefer AirDynamicViscosity instead.")>
Public Property AirViscosity As Double
	Get
	Set

public:
[ObsoleteAttribute(L"This property is deprecated in Revit 2025 and may be removed in a later version of Revit. Prefer AirDynamicViscosity instead.")]
property double AirViscosity {
	double get ();
	void set (double value);
}

[<ObsoleteAttribute("This property is deprecated in Revit 2025 and may be removed in a later version of Revit. Prefer AirDynamicViscosity instead.")>]
member AirViscosity : float with get, set

Property Value

Double

Exceptions

Exception	Condition
ArgumentOutOfRangeException	When setting this property: The given value for airKinematicViscosity must be non-negative.

Reference

DuctSettings Class

Autodesk.Revit.DB.Mechanical Namespace

AirViscosity Property

Duct Settings Air Viscosity Property

Property Value

Reference

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