S2S radiation model
see also radiative heat transfer
advantages 110
clustering 116
equations 116
gray-diffuse model 116
limitations 110
theory 116
Saffman's lift force 241
saving
see also automatic file saving
data files
scalar dissipation 156
scalar transport equations 12
scale, color
see colormap
scattering 118
phase function
Delta-Eddington 115
linear-anisotropic 112 113 115
user-defined 115
Schiller and Naumann model 323
Schmidt number 128
Schnerr and Sauer
cavitation model 343
second-order accuracy 366
secondary breakup
discrete phase 273
secondary mixture fraction 145 145
sedimentation 290 291 294 293
segregated algorithm 361 361
segregated solver
density interpolation schemes 372
frozen flux formulation 375
pressure interpolation schemes 371
selective noncatalytic reduction (SNCR) 217
ammonia injection 217
urea injection 217
semi-transparent interior walls 115
semi-transparent media 115
semi-transparent walls 118
sensible enthalpy 107
sequential solution 361 361 361
seven-step reduced mechanism 217
shell conduction
DO/energy coupling 115
shock waves 396
simple-effectiveness-model 119
features 122
restrictions 121
SIMPLE algorithm 373
SIMPLEC algorithm 373
skewness correction 373
Singhal et al.
cavitation model 343
single rotating reference frame 31
site species 132
Six DOF solver 39
size functions, local remeshing using 40
skewness
correction 373 373
skewness-neighbor coupling 373
sliding meshes 37
constraints 37
initial conditions for 33
mesh interface shapes 37
mesh setup 37
theory 38
slip velocity 313
sloshing 293
slow-chemistry flames 160
slug flow 290 291 294
slurry flow 290 291 294
Smagorinsky-Lilly subgrid-scale model 95
smoother
Gauss-Seidel 385
ILU 385
smoothing 116
boundary layer 40
residuals 380
solid-solid reactions 138
solid decomposition reactions 139
solid deposition reactions 140
solid species 132
solid zone
convection in a moving 107
solidification and melting 349
limitations 351
overview 350
theory 352
solids pressure 324
radial distribution function 324
solution 359
see also calculations, solver
accuracy 366
numerical scheme 360
process 359 359
under-relaxation 374 374
solver 359
see also calculations, solution
density-based 376 362
explicit 362
implicit 362
differentiable limiter 369
discretization 365
gradient limiters 369
differentiable limiter 369
multidimensional limiter 369
standard limiter 369
Green-Gauss cell-based 368
Green-Gauss node-based 368
least squares cell-based 368
linearization
explicit 362
implicit 362
multi-stage scheme 380
multidimensional limiter 369
multigrid 382 364
algebraic (AMG) 385 382
full-approximation storage (FAS) 386 382
full (FMG), limitations on 389
full (FMG) 387
node vs. cell discretization 368
numerical scheme 360
overview of 360
pressure-based 361 361 361 370
standard limiter 369
soot model 227
coal-derived 229
Moss-Brookes 229
coal-derived soot extension 229
turbulence-chemistry interaction 229
Moss-Brookes-Hall 229
turbulence-chemistry interaction 229
one-step 229
radiation effects 117
restrictions 228
theory 229
two-step 229
source terms
heterogeneous reactions 347
SOx model 219
coal 225
formation 220 219
gaseous fuel 223
liquid fuel 224
PDF functions in 226
turbulence-chemistry interaction 226
Spalart-Allmaras
RANS model 89
Spalart-Allmaras model 48
spark model 198
limitations 199
overview 199
species
see also product formation
diffusion 128 107
slow-forming product 145
sources 130
transport 126
species diffusion terms 107
species transport
multiphase 345
heterogeneous reactions 347
limitations 346
momentum transfer 347
specular boundaries 118
specular semi-transparent walls 115
specular walls 118
spray modeling
atomizers 267
breakup 273
droplet collision 276
dynamic drag 249
wall-film 260
wall-jet 259
spring-based smoothing method 40
SST k-omega
RANS model 91
SST k-omega model 67
SST transition model 72
stability 374
stagnation pressure 24
stagnation temperature 24
standard deviation 415
on a surface 416
standard k-epsilon model 58
standard k-omega model 66
standard limiter 369
steady laminar flamelet model 159
see also flamelet model
assumptions and limitations 159
introduction 160
non-adiabatic 163
stiff chemistry
multiphase 348
stochastic particle tracking 242
stoichiometric ratio 145
Stokes-Cunningham law 247
Stokes number 294
strain rate 156
stratified flow 291 293 290 294
streamwise-periodic flow 15
stretch factor 173
sub-micron particles 241 247
subgrid-scale models 95
dynamic kinetic energy model 95
dynamic Smagorinsky-Lilly model 95
Smagorinsky-Lilly model 95
WALE model 95
subsonic 23
supersonic 23
surface-to-surface (S2S) radiation model 110
see also radiative heat transfer
advantages 110
clustering 116
equations 116
gray-diffuse model 116
limitations 110 110
theory 116
surface coverage reaction
rate modification 131
surface deposition 132
surface integrals 415
area 416
area-weighted average 416
computing 416
facet field variables 416
facet maximum 416
facet minimum 416
field variable sum 416
flow rate 416
integral 416
mass-weighted average 416
mass flow rate 416
standard deviation 416
vertex field variables 416
vertex maximum 416
vertex minimum 416
volume flow rate 416
surface integration 415
surface reactions
see particle surface reactions, wall surface reactions
surface tension 305
surfaces
computing integrals 416
swelling
coefficient 255
swirl velocity 20
swirling flows 20 19 371
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