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

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

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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