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October 3, 2012, 16:11 |
WALL thermal condition = CONVECTION
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#1 |
Member
sagila
Join Date: May 2012
Posts: 39
Rep Power: 13 |
Dear all,
I have to choose “convection” as the thermal condition for my WALL boundary condition. Then, what shall be used for “heat transfer coefficient (W/m2.K)”? Does it mean “convection heat transfer coefficient (h)” or “overall heat transfer coefficient (U)”? Another question: when a wall thickness is defined and there is NO shell conduction, shall I define “heat transfer coefficient” and “free stream temperature” on the wall surface and zone which is NOT facing my fluid zone? Thanks in advance. |
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October 4, 2012, 00:53 |
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#2 |
Member
sagila
Join Date: May 2012
Posts: 39
Rep Power: 13 |
Dear All,
I would appreciate if anyone could help me. Thanks. |
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October 4, 2012, 01:43 |
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#3 |
Senior Member
Vaze
Join Date: Jun 2009
Posts: 172
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In order to take care of wall conduction, you'll have to user 'U' otherwise consider 'h'.
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October 4, 2012, 02:08 |
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#4 |
Member
sagila
Join Date: May 2012
Posts: 39
Rep Power: 13 |
Hi Mahesh,
Thank you for your reply. Do you mean I should use "U" for my second question, otherwise I should use "h"? |
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October 4, 2012, 03:26 |
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#5 |
Senior Member
Vaze
Join Date: Jun 2009
Posts: 172
Rep Power: 16 |
When you define wall thickness in Fluent, use 'h', if not then use 'U'.
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