Navigation by alphabet
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Damage, sources of heat exchangers
Damkohler number:
Damping:
Davis and Anderson criterion, for onset of nucleate boiling,
Decal, heat transfer medium,
Decane:
1-Decanol:
1-Decene:
Degradation temperature, of polymers,
Demisters, wire mesh, for multistage flash evaporators,
Dengler and Addoms correlation, for forced convective heat transfer in two-phase flow,
Density:
Deposition of droplets in annular flow
Deposition in fouling,
Desalination plants:
Desuperheaters for use in association with evaporators,
Developing flow in ducts:
Dew-poin corrosion,
Diathermanous fluid,
1,1-Dibromoethane:
Dibromomethane:
1,2-Dibromotetrafluoroethane (Refrigerant 114B2):
Dibutylamine:
Dibutyl ether:
Dichloroacetic acid:
o-Dichlorobenzene:
Dichlorodifluoromethane (see Refrigerant 12)
1,1-Dichloroethane (Refrigerant 150a):
1,2-Dichloroethane (Refrigerant 150):
1,1-Dichloroethylene:
cis-1,2-Dichloroethylene:
trans-1,2-Dichloroethylene:
Dichlorofluoromethane (see Refrigerant 21)
Dichloromethane (Refrigerant 30):
1,2-Dichlorotetrafluoroethane (Refrigerant 114)
1,2,3-Dichlorotrifluoroethane (Refrigerant 123)
Dielectric constant, of water,
Diethylamine:
n,n-Diethylaniline:
Diethylene glycol:
Diethyl ether:
Diethyl ketone:
Diethylsulfide:
Differential condensation:
Differential formulations for nonisothermal gas radiation,
Differential resistance term in heat exchanger design,
Differential vector operators in heat conduction,
Diffraction models for radiative heat transfer from surfaces,
Diffuse surfaces, radiative heat transfer between,
Diffuse wall passages, radiative heat transfer in,
Diffusers, single-phase flow and pressure drop in,
Diffusion, in multi-component condensation,
n,n-Diffusion coefficients:
1,1-Difluoroethane (Refrigerant 152a):
Difluoromethane (Refrigerant 32):
Diiodomethane:
Diisobutylamine:
Diisopropylamine:
Diisopropylether:
Dimensional analysis:
Dimensionless groups:
Dimethylacetylene:
Dimethylamine:
Dimethylaniline:
2,2-Dimethylbutane:
2,3-Dimethylbutane:
1,1-Dimethylcyclopentane:
Dimethylether:
Dimethylketone:
2,2-Dimethylpropane (neopentane):
Dimethylsulfide:
Dimpled surfaces, heat exchangers with,
1,4-Dioxane:
Diphenyl:
Diphenylamine:
Diphenylether:
Diphenylmethane:
Dipropyl ether:
Diisopropyl ether:
Dipropyl ketone:
Direct contact heat exchangers
Direct contact heat transfer,
Direct numerical simulation, of turbulence,
Dirichlet boundary condition, finite difference method,
Dished heads:
Discretization in numerical analysis:
Disk-and-doughnut baffled heat exchangers,
Disks, free convective heat transfer from inclined,
Dispersants, for fouling control,
Dispersed flow (liquid-liquid),
Dissipation of turbulent energy,
Distillation:
Distribution:
Dittus-Boelter equation, for single-phase forced convective heat transfer,
Dividing flow, loss coefficients in,
Dodecane:
1-Dodecene:
Donohue method, for shell-side heat transfer in shell-and-tube heat exchangers,
Double-pipe heat exchangers:
Double segmental baffled heat exchangers,
Downward facing surfaces, free convective heat transfer from,
Downward flow in vertical tubes, flow patterns in gas/liquid,
Dowtherm A:
Dowtherm J:
Dowtherms, as heat transfer media,
Drag coefficient:
Drag force:
Drag reduction,
Drainage, of condensate,
Dreitser, G,
Drift flux model for two-phase flows,
Drogemuller, P,
Droplets:
Dropwise condensation
Dropwise Condensation
Condensation Enhancement
condensation of steam in,
effect of non-condensing gas on,
introduction
mechanisms of,
of organic fluids,
promotors for,
Dry wall desuperheating (in condensation),
Dryers:
Drying loft,
Drying rates, prediction of,
Dryout:
Ducts, single-phase fluid flow and pressure drop in,
Duplex stainless steels,
Durand correlation for heterogeneous conveyance in solid/liquid flow,
Dynamically stable foam,
Dyphyl, heat transfer media,
Dzyubenko, B,
Index
HEDH
A
B
C
D
Damage, sources of heat exchangers
Damkohler number:
Damping:
Davis and Anderson criterion, for onset of nucleate boiling,
Decal, heat transfer medium,
Decane:
1-Decanol:
1-Decene:
Degradation temperature, of polymers,
Demisters, wire mesh, for multistage flash evaporators,
Dengler and Addoms correlation, for forced convective heat transfer in two-phase flow,
Density:
Deposition of droplets in annular flow
Deposition in fouling,
Desalination plants:
Desuperheaters for use in association with evaporators,
Developing flow in ducts:
Dew-poin corrosion,
Diathermanous fluid,
1,1-Dibromoethane:
Dibromomethane:
1,2-Dibromotetrafluoroethane (Refrigerant 114B2):
Dibutylamine:
Dibutyl ether:
Dichloroacetic acid:
o-Dichlorobenzene:
Dichlorodifluoromethane (see Refrigerant 12)
1,1-Dichloroethane (Refrigerant 150a):
1,2-Dichloroethane (Refrigerant 150):
1,1-Dichloroethylene:
cis-1,2-Dichloroethylene:
trans-1,2-Dichloroethylene:
Dichlorofluoromethane (see Refrigerant 21)
Dichloromethane (Refrigerant 30):
1,2-Dichlorotetrafluoroethane (Refrigerant 114)
1,2,3-Dichlorotrifluoroethane (Refrigerant 123)
Dielectric constant, of water,
Diethylamine:
n,n-Diethylaniline:
Diethylene glycol:
Diethyl ether:
Diethyl ketone:
Diethylsulfide:
Differential condensation:
Differential formulations for nonisothermal gas radiation,
Differential resistance term in heat exchanger design,
Differential vector operators in heat conduction,
Diffraction models for radiative heat transfer from surfaces,
Diffuse surfaces, radiative heat transfer between,
Diffuse wall passages, radiative heat transfer in,
Diffusers, single-phase flow and pressure drop in,
Diffusion, in multi-component condensation,
n,n-Diffusion coefficients:
1,1-Difluoroethane (Refrigerant 152a):
Difluoromethane (Refrigerant 32):
Diiodomethane:
Diisobutylamine:
Diisopropylamine:
Diisopropylether:
Dimensional analysis:
Dimensionless groups:
Dimethylacetylene:
Dimethylamine:
Dimethylaniline:
2,2-Dimethylbutane:
2,3-Dimethylbutane:
1,1-Dimethylcyclopentane:
Dimethylether:
Dimethylketone:
2,2-Dimethylpropane (neopentane):
Dimethylsulfide:
Dimpled surfaces, heat exchangers with,
1,4-Dioxane:
Diphenyl:
Diphenylamine:
Diphenylether:
Diphenylmethane:
Dipropyl ether:
Diisopropyl ether:
Dipropyl ketone:
Direct contact heat exchangers
Direct contact heat transfer,
Direct numerical simulation, of turbulence,
Dirichlet boundary condition, finite difference method,
Dished heads:
Discretization in numerical analysis:
Disk-and-doughnut baffled heat exchangers,
Disks, free convective heat transfer from inclined,
Dispersants, for fouling control,
Dispersed flow (liquid-liquid),
Dissipation of turbulent energy,
Distillation:
Distribution:
Dittus-Boelter equation, for single-phase forced convective heat transfer,
Dividing flow, loss coefficients in,
Dodecane:
1-Dodecene:
Donohue method, for shell-side heat transfer in shell-and-tube heat exchangers,
Double-pipe heat exchangers:
Double segmental baffled heat exchangers,
Downward facing surfaces, free convective heat transfer from,
Downward flow in vertical tubes, flow patterns in gas/liquid,
Dowtherm A:
Dowtherm J:
Dowtherms, as heat transfer media,
Drag coefficient:
Drag force:
Drag reduction,
Drainage, of condensate,
Dreitser, G,
Drift flux model for two-phase flows,
Drogemuller, P,
Droplets:
Dropwise condensation
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Dropwise Condensation
Condensation Enhancement
condensation of steam in,
effect of non-condensing gas on,
introduction
mechanisms of,
of organic fluids,
promotors for,
Dry wall desuperheating (in condensation),
Dryers:
Drying loft,
Drying rates, prediction of,
Dryout:
Ducts, single-phase fluid flow and pressure drop in,
Duplex stainless steels,
Durand correlation for heterogeneous conveyance in solid/liquid flow,
Dynamically stable foam,
Dyphyl, heat transfer media,
Dzyubenko, B,
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General Introduction
DOI 10.1615/hedhme.a.000184
2.6.1 General introduction
D. Buttenvorth
A. Modes of condensation
Condensate may form from vapor in a number of different ways as illustrated in Figure 1. These ways are as follows:
- Filmwise condensation: The condensate forms a continuous film on the cooled surface. This is the most important mode of condensation occurring in industrial equipment and is discussed in Section 185.
- Homogeneous condensation: The vapor condenses out as droplets suspended in the gas phase, thus forming a fog. A necessary condition for this to occur is that the vapor is below saturation temperature, which may be achieved (as illustrated) by increasing the pressure as the vapor flows through a smooth expansion in flow area. In condensers, however, it usually occurs when condensing high-molecular-weight vapors in the presence of noncondensable gas. This topic is dealt with in Section 190.
- Dropwise condensation: This occurs when the condensate is formed as droplets on a cooled surface instead of as a continuous film. High heat transfer coefficients can be obtained with dropwise condensation, but this Is difficult to maintain continuously in heat exchangers. This topic is discussed in Section 188.
- Direct contact condensation: This occurs when vapor is brought directly into contact with a cold liquid.
- Condensation of vapor mixtures forming immiscible liquids: A typical example of this is when a steam-hydrocarbon mixture is condensed. The patterns formed by the liquid phases are complicated and varied as described in Section 187, where this topic is presented.
B. Resistances to condensation
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