[Nek5000-users] Prandtl number in the heat transport equation

[nek5000-users at lists.mcs.anl.gov]

Hi Paul,

p8=1 or p8=-Pe?

Maybe you meant p7=-Pe?.

Thanks


On Wed, 2011-03-09 at 10:42 -0600, nek5000-users at lists.mcs.anl.gov
wrote:
> Hi Alex,
> 
> I typically set p1 and p8 to unity, then set p2 = -Re and p8= -Pe,
> where Pe is the Peclet number and Pr is then Pe/Re.
> 
> Paul
> 
> 
> On Wed, 9 Mar 2011, nek5000-users at lists.mcs.anl.gov wrote:
> 
> > Hi,
> >
> > How can I set the Pr number in the fully-developed channel flow with
> > scalar transport (constant but different scalar values at the walls)?.
> > This parameter is part of the coefficient of the diffusive term in the
> > heat transport equation (1/Re/Pr).
> >
> > Should I use parameters 7 (RHOCP) and 8 (CONDUCT) in the rea file?.
> >
> > Thanks.
> >
> > -- 
> > Alexandre Fabregat, PhD.
> >
> > Mail: afabrega at uottawa.ca
> > Phone: 630 562-5800 (ext. 6293)
> > Office: B207
> >
> > Mechanical Engineering Department
> > University of Ottawa
> > 161 Louis Pasteur, K1N6N5, Ottawa ON
> >
> > _______________________________________________
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> >
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-- 
Alexandre Fabregat, PhD.

Mail: afabrega at uottawa.ca
Phone: 630 562-5800 (ext. 6293)
Office: B207

Mechanical Engineering Department
University of Ottawa
161 Louis Pasteur, K1N6N5, Ottawa ON