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July 27, 2009, 07:49 |
Nozzle analysis
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#1 |
Member
mistry
Join Date: Apr 2009
Location: India
Posts: 69
Rep Power: 17 |
Sir,
i want to do transient analysis of convergent nozzle. For boundary conditions: Fluid : ideal air. Inlet: subsonic and supersonic conditions, i know pressure at inlet,velocity also. for steady state analysis i want to vary pressure. outlet: pressure ( I WANT TO SPECIFY- how to specify). relative pressure i take 0 bar wall condition: no slip turbulent model :K-Epsilon for transient condition: refering to Fluent tutorial: Pexit(t)=0.12sin(wt)+Pexit how to specify time step how do i proceed? I tried with steady state specifying mass flowrate at inlet and pressure at exit but i is not converging.i think by boundary conditions are wrong... please suggest me |
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