Dump-combustor
I have to simulate a 2-D dump-combustor.
The chamber is about 100mm long and 25mm wide. I followed tutorial-11's example. Turbulent: k-eps standard Species: finite-rate/eddy dissipation Materials: cp mixture... density:ideal gas boundary condition ------------------ a single inlet: mass-flow with fuel-oxider @ supersonic/gauge pressure 15 atm (anyway my flux is subsonic) outlet: pressure outlet 1 atm operative condition: 0 atm Initialize -------- from-all zones and I raise T to 2000 K. Limits ----- T max 4000 K It doesn't converge. I don't know my setting in Fluent is wrong or I use a bad mesh. How many nodes should I use? I usually use 'map' mesh with 0.2mm interval. |
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