| OCR Text |
Show Process Gas Fluid Dynamics Gas Phase Chemistry Turbulence Radiation Devolatilization Char Oxidation Particle Mechanics Solution Technique NOx Formation Table I. Components in PCGC-3 Description Navier Stokes equations Newtonian fluid Eulerian equations Favre - averaged Fast chemistry, mixing limited Chemical equilibrium calculated by minimization of Gibbs free energy Coupled with turbulence using probability density function (PDF) , and mixture fractions Prandtl mixing length Standard k-e model Non-linear k-e model Adjusted for effects of particles Discrete-ordinates approach S4-24 directions Two-step model Ubhayakar constants Particle swelling allowed First order reactions CO is primary product PSI -CELL approach Langrangian equations Particle dispersion based on particle drag and gas turbulence SIMPLER, SIMPLEC, SIMPLEST TEACH method for differencing central and upwind finite-differencing Two fuel-NO mechanisms Thermal NO Global gas phase reactions Heterogeneous NO reduction 10 References 7,8 9 10,11 12 13 14 15,16 17 18 7 19 14 20 21 22,23 |
