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Showing results 1 to 6 of 6 Search took 0.00 seconds. Search: Posts Made By: Bionico

Forum: FLUENT May 5, 2012, 04:57

Replies: 18 Turbulence model & y+ for Natural convection Views: 10,596 Posted By Bionico ok, I said this because I saw the continuity... ok, I said this because I saw the continuity residuals a bit high (it's difficult to push them under 1)

Forum: FLUENT May 4, 2012, 04:43

Replies: 18 Turbulence model & y+ for Natural convection Views: 10,596 Posted By Bionico I'll try with a laminar model, too! :) ... I'll try with a laminar model, too! :) Another question: this is a closed domain so it's possible that the mass (continuity) could be not conserved... right?

Forum: FLUENT May 3, 2012, 11:22

Replies: 18 Turbulence model & y+ for Natural convection Views: 10,596 Posted By Bionico the height is about 0.5 m (but there are also... the height is about 0.5 m (but there are also radiators 0.7-0.8 high!) I'm quite sure that it happens: the Rayleigh number is about 10^8 (so in the transition interval). In the lower part the flow...

Forum: FLUENT May 3, 2012, 09:04

Replies: 18 Turbulence model & y+ for Natural convection Views: 10,596 Posted By Bionico Thanks foamcfd! :) What about using II... Thanks foamcfd! :) What about using II order Upwind instead of I order for the discretization? Does it offer a great advantage? Here below 3 images of the system I should study:...

Forum: FLUENT May 3, 2012, 07:51

Replies: 18 Turbulence model & y+ for Natural convection Views: 10,596 Posted By Bionico Hi sicfred, thanks for your answer! :) I have a... Hi sicfred, thanks for your answer! :) I have a doubt: k-epsilon model shouldn't be very useful for boundary layer, so probably it can't predict accurately heat transfer (that depends strongly on...

Forum: FLUENT May 3, 2012, 05:22

Replies: 18 Turbulence model & y+ for Natural convection Views: 10,596 Posted By Bionico Turbulence model & y+ for Natural convection Hi everybody, I'm simulating a radiator in a room: since a I want to get a very accurate solution about the power generated by the radiator, I'm trying to create a model that let me to predict the...

Showing results 1 to 6 of 6

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