Laminar Viscosity

dave0198 · August 8, 2010, 04:42

Hi,

Could someone please explain what laminar viscosity is, is it the same as kinematic viscosity, if not what is their relationship?

Many thanks
Dave

agd · August 9, 2010, 08:32

The term laminar viscosity may refer to either the kinematic or dynamic viscosity of the fluid, and is used to delineate the fluid viscosity (a fluid property) from the eddy viscosity in turbulence models. The eddy viscosity is not a property of the fluid, but can be considered as a property of the flow.

Sijnhaven · May 2, 2018, 09:41

Quote:

Originally Posted by agd

The term laminar viscosity may refer to either the kinematic or dynamic viscosity of the fluid, and is used to delineate the fluid viscosity (a fluid property) from the eddy viscosity in turbulence models. The eddy viscosity is not a property of the fluid, but can be considered as a property of the flow.

When using the MACRO C_MU_L(c,t) in a UDF, will it return the kinematic or dynamic viscosity?

LuckyTran · May 2, 2018, 20:20

Quote:

Originally Posted by Sijnhaven

When using the MACRO C_MU_L(c,t) in a UDF, will it return the kinematic or dynamic viscosity?

Dynamic viscosity.

August 8, 2010, 04:42	Laminar Viscosity	#1
dave0198 New Member Join Date: Jun 2010 Posts: 7 Rep Power: 15	Hi, Could someone please explain what laminar viscosity is, is it the same as kinematic viscosity, if not what is their relationship? Many thanks Dave ruhiparveen likes this.

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August 9, 2010, 08:32		#2
agd Senior Member Join Date: Jul 2009 Posts: 357 Rep Power: 18	The term laminar viscosity may refer to either the kinematic or dynamic viscosity of the fluid, and is used to delineate the fluid viscosity (a fluid property) from the eddy viscosity in turbulence models. The eddy viscosity is not a property of the fluid, but can be considered as a property of the flow.