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September 19, 2013, 01:32 |
dual fuel(RCCI engine)
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#1 |
Senior Member
amin u3fi
Join Date: Feb 2013
Posts: 137
Rep Power: 13 |
hi dears...
I am simulating dual fuel DME/CH4 with AVL FIRE 2011. I couple Chemical kinetics with CFD for this simulation and Spray mode is active in this simulation. the start of injection is 15CA BTDC. when my simulation arrive in start of injection the calculation doesn't progress and the last message in .fla file is: %fire-W-cyveloc, U velocity is limited with 2000 m/s from current velocity=24658.8 m/s for Droplet No.=1 For Spray momentum coupling Momentum Source = 1 is recommended ! Momentumratio (Spray/Gasphase)=0.00000 %fire-W-cyveloc, W velocity is limited with 2000 m/s from current velocity=-5386.16 m/s for Droplet No.=1 For Spray momentum coupling Momentum Source = 1 is recommended ! Momentumratio (Spray/Gasphase)=0.00000 %fire-W-cyveloc, V velocity is limited with 2000 m/s from current velocity=-2.083323E+07 m/s for Droplet No.=36 For Spray momentum coupling Momentum Source = 1 is recommended ! Momentumratio (Spray/Gasphase)=-1.4889 I need your help for solve this problem... amin_u50 best regards Last edited by amin_u50; September 19, 2013 at 10:16. |
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