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Showing results 1 to 5 of 5 Search took 0.00 seconds. Search: Posts Made By: Chrisi1984

Forum: OpenFOAM Running, Solving & CFD October 4, 2013, 11:49

Replies: 12 Thin Wall Heat Transfer BC for rhoSimpleFoam Views: 6,555 Posted By Chrisi1984 Hi, Tw is the wall temperature d is the... Hi, Tw is the wall temperature d is the wall thickness l is the thermal conductivity of the wall. The reason for the iterative solution is that you cannot calculate the heatflux through...

Forum: OpenFOAM Running, Solving & CFD April 3, 2013, 15:03

Replies: 12 Thin Wall Heat Transfer BC for rhoSimpleFoam Views: 6,555 Posted By Chrisi1984 Dear all. Due to some diverging problems, I... Dear all. Due to some diverging problems, I modified the bc a little bit. It now looks that way: One additional remark: alphaEff is derived from the used solver. I used that bc for the...

Forum: OpenFOAM Running, Solving & CFD September 15, 2010, 04:11

Replies: 12 Thin Wall Heat Transfer BC for rhoSimpleFoam Views: 6,555 Posted By Chrisi1984 Hi! Tinf is the air temperature of the... Hi! Tinf is the air temperature of the environment which cools or heats your boundary. Trad is the radiation temperature of your environment which can be different to the air temperature. ...

Forum: OpenFOAM Running, Solving & CFD September 7, 2010, 07:06

Replies: 12 Thin Wall Heat Transfer BC for rhoSimpleFoam Views: 6,555 Posted By Chrisi1984 Hi Stefano, alphaEff=(alpha_lam+alphat) is... Hi Stefano, alphaEff=(alpha_lam+alphat) is derived and need not be defined. cp is of the fluid (here air) alphaa is the heat transfer coefficient of the outer surface of the pipe. The...

Forum: OpenFOAM Running, Solving & CFD September 6, 2010, 07:38

Replies: 12 Thin Wall Heat Transfer BC for rhoSimpleFoam Views: 6,555 Posted By Chrisi1984 Hi Stefano, I used "groovyBC" to solve the... Hi Stefano, I used "groovyBC" to solve the problem you described. Here http://openfoamwiki.net/index.php/Contrib_groovyBC#These_pseudo-functions_are_defined: you can read how to use this boundary...

Showing results 1 to 5 of 5

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