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KIVA-3V Main Process

KIVA-3V Main Process. 2003.07.02. ITAPE 5. ITAPE 17. Modified kiva-3v code. Chem.dat. Composition. Comkiva.i. Main KIVA3V code ( modified ). radikiva.i. react.f. Soot.f. Output. utility.f. second.f. coliden.f. radikiva.f. breakkhrt.f. Parameter. IPREP

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KIVA-3V Main Process

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  1. KIVA-3V Main Process 2003.07.02

  2. ITAPE 5 ITAPE 17 Modified kiva-3v code Chem.dat Composition Comkiva.i Main KIVA3V code ( modified ) radikiva.i react.f Soot.f Output utility.f second.f coliden.f radikiva.f breakkhrt.f

  3. Parameter IPREP Squish + Stroke=fluid zone (only reference) Block Physical coordinate according to piston moving condition ITAPE5 Squish + Stroke=fluid zone (real data)

  4. Grid Quality Bad Good 1) Smoothen line with additional point 2) Correspondence of grid numbers for interface between blocks with user-defined physical coordinates

  5. Mesh Movement #1 -180 ATDC -160 ATDC -140 ATDC

  6. Mesh Movement #2 -120 ATDC -100 ATDC -80 ATDC

  7. Mesh Movement #3 -60 ATDC -40 ATDC -20 ATDC -0.0 ATDC

  8. Dat.Dynamic • Crank Angle, degrees • Tumble about the x-axis, none : TRx • Tumble about the y-axis, none : TRy • swirl, none : SR • angular momentum about the x-axis, g-cm^2/s : AMomx • angular momentum about the y-axis, g-cm^2/s : Amomy • angular momentum about the z-axis, g-cm^2/s : Amomz • total angular momentum, g-cm^2/s : Totamom • total kinetic energy, g-cm^2/s^2 : TotKE

  9. DAT.Inject • Crank Angle, degrees • Amount of Fuel Injected, g : Injfuel • Amount of Fuel Vapor in Combustion Chamber, g : Vapor • Amount of Liquid Fuel in Combustion Chamber, g : Liquid • Fraction of Volume with 0.0 <=Equivalence Ratio< 0.5, none : Phi1 • Fraction of Volume with 0.5 <=Equivalence Ratio<= 1.5, none : Phi2 • Fraction of Volume with Equivalence Ratio> 1.5, none : Phi3 • Amount of Liquid Fuel on Cylinder Wall, g : FL@wall • Amount of Liquid Fuel on Piston, g : FL@Pstn • * Ref : Sum for Fraction of Volume = 1.0

  10. Dat.Thermo • Crank Angle, degrees • Average Cylinder Pressure, MPa (Fundamental) : Press • Average Cylinder Temperature, K (Fundamental) : Temp • Average Cylinder Density, g/cm^3 (addition) : Density • Cylinder Volume, cm^3 (addition) : Volume • Cylinder Total Mass, gram (addition) : Mass • Heat Release Rate, J/deg (Fundamental) : X • Accumulated Heat Release, J (Fundamental) : X • NOx, g/kg-fuel (Fundamental) : X • Soot, g/kg-fuel (Fundamental) : X

  11. Dat.Turb • Crank Angle, degrees • Turbulence Kinetic Energy, cm^2/s^2 : TKE • Turbulence Dissipation Rate, cm^2/s^3 : EPS • Turbulence Intensity, cm/s : intensity • Turbulence Length Scale, cm : Length • Turbulence Viscosity, cm^2/s : vt

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