|
[Sponsors] |
April 6, 2006, 12:55 |
Profiles of u, k and eps in a pipe flow
|
#1 |
Guest
Posts: n/a
|
Hi all,
I am looking for the (experimental) profiles of velocity, turbulent kinetic energy (k) and it's dissipation rate (epsilon) in a fully developed pipe flow. I mean: U(r,Re), k(r,Re) and epsilon(r,Re). r is the radial coordinate and Re is the Reynolds number. I want them to define the inlet of my simulation domain. Can anybody provide any reference in this regard? Thanks a lot |
|
April 7, 2006, 09:00 |
Re: Profiles of u, k and eps in a pipe flow
|
#2 |
Guest
Posts: n/a
|
I don't know, but have a look on www.efluids.com , that might help.
|
|
April 8, 2006, 22:40 |
Re: Profiles of u, k and eps in a pipe flow
|
#3 |
Guest
Posts: n/a
|
I usually run a separate calculation on a domain 100D with uniform inflow and constant k and epsilon set so that the turbulence Reynolds number = 10 * real Re. 100D is usually enough to attain dvelopped profiles for U, k nad epsilon. note that epsilon cannot be measured. runnningg 100d will give you consistent fields at the out flow. Use those as your boundray conditions
|
|
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
Complex problem: Open Channel Flow | lett | FLUENT | 18 | November 10, 2018 18:30 |
Problems with Cyclic & init. BCs for turbulent (k-eps) pipe flow | florian_krause | OpenFOAM | 3 | December 1, 2012 04:11 |
lenght and number of nodes for an orifice meter flow problem - k-eps model | fofo | FLUENT | 0 | November 15, 2009 03:49 |
Stabilizing turbulence equation in channel flow | Biga | Main CFD Forum | 5 | March 22, 2005 20:06 |
Profiles | John | FLUENT | 5 | May 29, 2002 12:04 |