|March 18, 2004, 14:10||
your written sources define them somethings like this;
lets denote entropy flux as Ef.
then, convective CEf = C. Ef nonconvective NEf = N. Ef
where C is a parameter (like velocity or its gradients) related to the mass motion. N is a parameter in a case of zero mass motion (in human scale).
for ex., in a conductive heat transfer, you can use NEf as velocity (at human scale) is zero there. In micro scales, all fluxes can be considered as convective as all matters/photons/etc having a mass, hence mass transportation. Ok? No, your books define these differently?
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