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-   -   parabolic velocity profile? (http://www.cfd-online.com/Forums/fluent/40220-parabolic-velocity-profile.html)

bssdyl March 20, 2006 11:19

parabolic velocity profile?
 
in vertical falling film,the flow should be parabolic.but in fluent,how i can get this profile.there are four boundary conditions:liquid velocity inlet,liquid pressure outlet,vapor pressure inlet and wall.thanks!

Stanislav Kraev March 21, 2006 10:10

Re: parabolic velocity profile?
 
Did you tried to set up velocity inlet BC with profile instead of constant value?

bssdyl March 21, 2006 11:52

Re: parabolic velocity profile?
 
i try to set up parabolic velocity profile in computational domain,because i have known it.how can i finish it?

Stanislav Kraev March 22, 2006 02:07

Re: parabolic velocity profile?
 
What do you mean "finish"? What problem do you have with velocity profile?

bssdyl March 22, 2006 12:32

Re: parabolic velocity profile?
 
i consider a problem of vertical falling film.accroding to nusselt theory, velocity profile of film is parabolic.


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