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Nahme-Griffith number,
Nakashima, CY
Nanoparticles, for heat transfer augmentation,
Naphthalene:
Napthenes:
National practice, in mechanical design, guide to,
Natural convection:
Natural draft cooling towers:
Natural frequency of tube vibration in heat exchangers,
Navier-Stokes equation,
Neon:
Neopentane:
Net free area, in double-pipe heat exchangers,
Netherlands, guide to national mechanical design practice,
Networks, of heat exchangers, pinch analysis method for design of,
Neumann boundary conditions, finite difference method,
Nickel, thermal and mechanical properties
Nickel alloys,
Nickel steels,
Niessen, R,
Nitric oxide:
Nitriles:
Nitrobenzene:
Nitro derivatives:
Nitroethane:
Nitrogen:
Nitrogen dioxide:
Nitrogen peroxide:
Nitromethane:
m-Nitrotoluene:
Nitrous oxide
Noise:
Nonadecane:
Nonadecene:
Nonane:
Nonene:
Nonanol:
Nonaqueous fluids, critical heat flux in,
Non-circular microchannels:
Noncondensables:
Nondestructive testing, of heat exchangers
Nongray media, interaction phenomena with,
Nonmetallic materials:
Non-Newtonian flow:
Nonparticipating media, radiation interaction in,
Nonuniform heat flux, critical heat flux with,
Non-wetting surfaces, in condensation augmentation,
North, C,
No-tubes-in-window shells, calculation of heat transfer and pressure drop in,
Nozzles:
Nowell, D G,
Nucleate boiling:
Nuclear industry, fouling problems in,
Nucleation:
Nucleation sites:
Nuclei, formation in supersaturated vapor,
Number of transfer units (NTU):
Numerical methods:
application in furnace prediction,
for cases in which flow patterns must be calculated,
Nusselt:
Nusselt-Graetz problem, in laminar heat transfer in ducts,
Nusselt number:
Computation of heat-transfer performance via CFD
applications,
discretization,
finite difference equations for,
solution procedure,
for the solution of heat exchangers with a prescribed flow pattern,
in transient conduction calculations,
Index
HEDH
A
B
C
D
E
F
G
H
I
J
K
L
M
N
Nahme-Griffith number,
Nakashima, CY
Nanoparticles, for heat transfer augmentation,
Naphthalene:
Napthenes:
National practice, in mechanical design, guide to,
Natural convection:
Natural draft cooling towers:
Natural frequency of tube vibration in heat exchangers,
Navier-Stokes equation,
Neon:
Neopentane:
Net free area, in double-pipe heat exchangers,
Netherlands, guide to national mechanical design practice,
Networks, of heat exchangers, pinch analysis method for design of,
Neumann boundary conditions, finite difference method,
Nickel, thermal and mechanical properties
Nickel alloys,
Nickel steels,
Niessen, R,
Nitric oxide:
Nitriles:
Nitrobenzene:
Nitro derivatives:
Nitroethane:
Nitrogen:
Nitrogen dioxide:
Nitrogen peroxide:
Nitromethane:
m-Nitrotoluene:
Nitrous oxide
Noise:
Nonadecane:
Nonadecene:
Nonane:
Nonene:
Nonanol:
Nonaqueous fluids, critical heat flux in,
Non-circular microchannels:
Noncondensables:
Nondestructive testing, of heat exchangers
Nongray media, interaction phenomena with,
Nonmetallic materials:
Non-Newtonian flow:
Nonparticipating media, radiation interaction in,
Nonuniform heat flux, critical heat flux with,
Non-wetting surfaces, in condensation augmentation,
North, C,
No-tubes-in-window shells, calculation of heat transfer and pressure drop in,
Nozzles:
Nowell, D G,
Nucleate boiling:
Nuclear industry, fouling problems in,
Nucleation:
Nucleation sites:
Nuclei, formation in supersaturated vapor,
Number of transfer units (NTU):
Numerical methods:
O
P
Q
R
S
T
U
V
W
X
Y
Z
application in furnace prediction,
for cases in which flow patterns must be calculated,
Nusselt:
Nusselt-Graetz problem, in laminar heat transfer in ducts,
Nusselt number:
Computation of heat-transfer performance via CFD
applications,
discretization,
finite difference equations for,
solution procedure,
for the solution of heat exchangers with a prescribed flow pattern,
in transient conduction calculations,
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Computation of heat-transfer performance via CFD
DOI 10.1615/hedhme.a.000103
1.4 NUMERICAL SOLUTION PROCEDURES
1.4.2 Computation of Heat Transfer Performance via Computational Fluid Dynamic
E. O. Pankova and D. Brian Spalding
A. INTRODUCTION
The purpose of Section 103 is to apply computational fluid dynamics (CFD) to problems in which the flow pattern is presumed to be known. Some of these were dealt with analytically in Section 1.2 and Section 1.3 in conjunction with further presumptions concerning uniformity of fluid properties, uniformity of heat transfer coefficient, and independence of time. It will be shown that the CFD solutions agree with the analytical ones when the grid is sufficiently fine.
Then, each of the last-mentioned presumptions will be removed one by one. Thus, it will be demonstrated that CFD can take into account effects that arise in practice but that the analytical methods are forced to neglect. In addition, some of the effects of the presence of baffles and the existence of tube-baffle-clearance leakages will be demonstrated.
B. COUNTERFLOW
(a) Computational Model
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