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Simulation multiphase airlift reactor with Eulerian multiphase model question????

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Old   January 28, 2015, 02:15
Question Simulation multiphase airlift reactor with Eulerian multiphase model question????
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dilok kumyoo
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Hi , My name is dilok kumyoo . I try to validate simulation result with experimental data . I use eulerian and mixture multiphas model with k-epsilon turbulence model and superficial gas velocity in range 0.02-0.09 m/s . But the result of simulation is higher than experimental data with 30% eror .

- I don't know may be I miss the important point of simulation?
-The journal that i use for reference use ishi drag model but in fluent ishi drag can use when you use boiling model may i use another drag model for this case ? And drag model is influence to simulation result significant?

Ref: Chemical Engineering and Processing: Process Intensification

October 2003, Vol.42(10):733–742,*doi:10.1016/S0255-2701(02)00076-4

Hydrodynamics of internal air-lift reactors: experiments versus CFD simulationsJ.M. van BatenJ. EllenbergerR. Krishna
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airlift, eulerian multiphase model, mixture eulerian, mutiphase

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