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Forum: OpenFOAM

November 16, 2010, 14:22

Replies: 22

HeatFlux in buoyantBoussinesq

Views: 18,220

Posted By David_010

Hi ubaid snGrad is the gradient normal to a...

Hi ubaid

snGrad is the gradient normal to a surface. The gradient term can be evaluated in different manners, and in the case of the temperature gradient at the wall, the heat flux expression...

Forum: OpenFOAM

November 15, 2010, 19:21

Replies: 22

HeatFlux in buoyantBoussinesq

Views: 18,220

Posted By David_010

Hi ubaid Take a look to this thread: ...

Hi ubaid

Take a look to this thread:

http://www.cfd-online.com/Forums/openfoam/70502-heatflux-buoyantboussinesq.html

I think it will be useful for you. I don´t know why the author calls...

Forum: OpenFOAM

November 15, 2010, 17:29

Replies: 22

HeatFlux in buoyantBoussinesq

Views: 18,220

Posted By David_010

Hi ubaid, I am workig with that solver for...

Hi ubaid,

I am workig with that solver for laminar regime. kappaEff is the thermal diffusivity, wich in an exclusive laminar solver is called DT. In fact, it is calculated as nu/Pr, which gives...

Forum: OpenFOAM

February 9, 2010, 03:01

Replies: 22

HeatFlux in buoyantBoussinesq

Views: 18,220

Posted By David_010

Hi Thomas I'm using...

Hi Thomas

I'm using buoyantBoussinesqSimpleFoam for solve laminar flow (laminar RASmodel) in an annular duct with constan heat flux in the outer wall. My question is: Why does exist a boundary...

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