N2O density 984
naming files, options for 76
NASTRAN files 175
exporting 120 135
during a transient calculation 140
importing 111
mapping data with 149
natural convection 470 786
high-Rayleigh-number flows 470
inputs for 470
modeling 470
operating density 470
solution procedure 470
natural time 297
navigation pane 28 906
Network Configuration dialog box 1427
New Material Name dialog box 1062 278
NH3 density 984
NIST real gas model 334
limitations 336
NIST Real Gas Models 336
no-slip condition 250 250 250
NO density 984
node values 980
for contours 892
for pathlines 894
for XY plots 933
nodes
display of 891 904
noise 655
non-blocking surfaces 475
non-condensable gases 740
non-conformal interface algorithm 187
non-conformal meshes 185
requirements for 188
non-equilibrium chemistry
rich flammability limit 547
non-gray discrete ordinates (DO) radiation model
absorption coefficient 477
black body emission factor 476
emissivity weighting factor 476
inputs for 476
refractive index 477
non-gray radiation
DO/energy coupling 476
non-gray radiation model
inputs for 476
non-isotropic thermal conductivity, user-defined 233
non-iterative time advancement (NITA) 807
inputs 787
supported models 787
non-Newtonian fluids 297
non-Newtonian power law 297
Non-Newtonian Power Law dialog box 297 1069
non-Newtonian viscosity 297
Carreau model 297
Cross model 297
Herschel-Bulkley model 297
power law 297
temperature dependent 297
non-premixed combustion model
ANSYS FLUENT solution secondary mixture fraction parameters 585
boundary conditions 576
condensed phase species 556
empirical fuels 546 558
equilibrium chemistry 542 537
flamelet data 568
flamelet model
see also flamelet model
for coal combustion 543 560 556
for liquid fuels 543
fuel inlet temperature 555
look-up tables 570 573 574
model compatibility 1459
non-adiabatic form 543
non-equilibrium chemistry
rich flammability limit 547
postprocessing 586
problem setup 541
secondary stream 545
solution parameters 585
solution parameters 570
solving 585
species selection 556
stability issues 572
non-reacting species transport 536
non-reflecting boundary conditions 257 244
general 259
limitations of 259 258
parallel processing with 258
target mass flow rate 244
turbo-specific 258
with mixing plane model 258
normalization 971
of residuals 812 812 812 812
NOx model 642 562
boundary conditions 643
coal 643
fuel 643
fuel streams 643
limitations 643
gaseous fuel 643
inputs for 643
intermediate N 2O 643
liquid fuel 643
model compatibility 1459
prompt 643
thermal 643
under-relaxation for 644
user-defined functions for 643
NOx Model dialog box 643 1045
NRBCs
see non-reflecting boundary conditions
ntu-model 489
features 490
restrictions 491
NTU Table dialog box 1031
numbering files 76
numerical diffusion 779 164
Nusselt number 984
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