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k-e turbulence model and heat transfert (Comsol)

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Old   November 26, 2007, 08:53
Default k-e turbulence model and heat transfert (Comsol)
Bache Julien
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Hi everyone

I tried to model a turbulent flow for a water to water heat exchanger. I expected the temperature inside my pipe to be kind of constant along the same "z". Instead of that I obtained a temperature profile similar to the previous obtained with the laminar navier Stokes equations (i.e. without vorticity).

How could I obtain a better mix in my pipe? did someone manage to do this?
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