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Forum: OpenFOAM Running, Solving & CFD

January 25, 2013, 19:10

Replies: 3

suitable boundary condition for scavenging process?

Views: 1,693

Posted By immortality

does someone know any experiment result of...

does someone know any experiment result of pressures at a scavenging process of a suddenly opened tube to surroundings?

Forum: OpenFOAM Running, Solving & CFD

January 25, 2013, 06:48

Replies: 3

suitable boundary condition for scavenging process?

Views: 1,693

Posted By immortality

fvSchemes: fluxScheme Kurganov; ...

fvSchemes:
fluxScheme Kurganov;

ddtSchemes
{
default Euler;
ddt(rho) Euler;
ddt(rhoU) Euler;
ddt(rhoE) Euler;
ddt(rho,U) Euler;

Forum: OpenFOAM Running, Solving & CFD

January 25, 2013, 01:11

Replies: 3

suitable boundary condition for scavenging process?

Views: 1,693

Posted By immortality

any guidance or idea?just a small tube with...

any guidance or idea?just a small tube with higher pressure fluid than outside.what's wrong with the modelling?what BC is appropriate? can be linear schemes unstable?
Any thought is appreciated.

Forum: OpenFOAM Running, Solving & CFD

January 24, 2013, 17:38

Replies: 3

suitable boundary condition for scavenging process?

Views: 1,693

Posted By immortality

suitable boundary condition for scavenging process?

I have found the cause of errors in my simulation.its at scavenging process.
there is a tube that is filled with
internalField: U=0,T=400K,p=250000pa
and suddenly one side...

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