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Frank November 29, 2000 19:08

open channel flow
 
I'm working with cfd for 5 years about compressor-flow. Now I was asked if it is possible to calculate the water-flow in an open channel with a propeller in it. And as a special feature the channel is a closed system: the water comes back to the propeller.

1.) Do you know of literature about such a configuration ?

2.) Do I need VOF for the surface ?

3.) Which turbulence-model ?

4.) Do you have other hints to that configuration. I never had such a case and I do not know how to simulate this.

Thanks a lot for your help

Frank

John C. Chien December 3, 2000 05:47

Re: open channel flow
 
(1). Why don't you do the journal search first, to see if someone has done something like that. (2). A propellar must have more than two blades on it. And the flow over the propellar is definitely 3-D, especially, with the free surface on the top of it. And it is also a transient, moving boundary problem. (3). I would say it is a good PhD thesis, but I am not sure whether there is a market for it. (4). It is easier just to put a propeller in the closed loop open channel duct, and forget about the CFD simulation.

Ghanshyam Singh December 14, 2000 13:15

Re: open channel flow
 
I am agree with John, there are situations where doing experiment is faster and cheaper then CFD. There is limit for any thing to crazy for.

GS

Jon Lewin December 15, 2000 04:32

Re: open channel flow
 
Are you men or mice?........


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