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-   -   Fuel film on piston and cylinder (http://www.cfd-online.com/Forums/star-cd/100001-fuel-film-piston-cylinder.html)

kri321shna April 18, 2012 05:47

Fuel film on piston and cylinder
 
Hello

how to get the fuel film on the piston and cylinder in fuel-air mixing analysis in star cd.


this is how cell data stored
{ CELL DATA
SU "Velocity Component U" m/s
SV "Velocity Component V" m/s
SW "Velocity Component W" m/s
MassFlux "Mass Flux" kg/s
P "Pressure" Pa
PTER "Thermo. Pressure" Pa
TE "Turb Kinetic Energy" m2/s2
ED "Dissipation Rate" m2/s3
VIS "Turbulent Viscosity" Pa s
T "Temperature" K
H "Enthalpy" J/kg
DENS "Density" kg/m3
CP_M "Mean Specific Heat" J/kgK
CP "Specific Heat" J/kgK
COND "Conductivity" W/mK
CONC_001 "C8H18"
CONC_002 "N2"
CONC_003 "O2"
CONC_004 "WFMASS"
CONC_005 "WFTHICK"
CONC_006 "WFTEMP"
CONC_007 "RG"
VOID "Void Fraction"
}

Thanks in advance.

Regards,
Krishna

kri321shna April 18, 2012 07:41

1 Attachment(s)
wall date has saved as attached:

Pauli April 18, 2012 10:56

Assuming you activated the liquid film model & did all the appropriate setup steps. The liquid film information will be stored in the wall data. To get film thickness use the command: getw lfthk.

kri321shna April 18, 2012 23:50

Thank you so much for your reply.

i have tried that command getw lfthk,

it is giving this below error:

CREATING WALL BOUNDARY SHELLS
**INTERNAL ERROR - FAILED TO CREATE SHELLS FROM CELL FACE,ITER= 1
ICNEW,ICA,IFACE,ICTDUM=638898 535803 16 139
**ERROR - CREATING BOUNDARY SHELLS


i am following this procedure

1. loading the post date
2. events running
3. storing the time
4. getw lfthk


can you please suggest me.

Thanks in advance.

Pauli April 19, 2012 10:58

That sounds like a bug. You should contact cd-adapco support.


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