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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
F-correction method:
F-factor charts and equations for various heat exchanger configurations,
F-factor method:
F-type shells:
Fabrication:
Failure modes of heat exchangers,
Falling films, direct contact heat transfer in,
Falling film evaporator:
Fanno flow,
Fans in air-cooled heat exchangers:
Fatigue as failure mode of a heat exchanger
Fatigue life, of expansion bellows,
Fawcett, R
Fedor's method, for critical temperature,
Fenghour, A
Ferritic stainless steels, as material of construction,
Fick's law for diffusion,
Film boiling:
Film model, condenser design by
Film temperature, definition of for turbulent flow over flat plate,
Films in heat exchangers,
Filmwise condensation:
Fincotherm, heat transfer medium,
Finite-difference equations:
Finite difference methods:
Finite-element methods:
Fins (see also Extended surfaces):
Fire-tube boiler,
Fired heaters,
Fires, room, radiation interaction phenomena in,
Firsova, E V,
Fixed beds:
Fixed tubesheet, shell-and-tube exchangers:
Flanges, mechanical design of in heat exchangers,
Flash evaporation
Flat absorber of thermal radiation,
Flat heads:
Flat plate:
Flat reflector of thermal radiation,
Floating head designs for shell-and-tube heat exchangers:
code guidelines for
detailed constructional features,
discussion,
example of calculation of heat exchanger mechanical design with,
expansion bellows for,
flanges in,
Flooded type evaporator, in refrigeration,
Flooding phenomena:
Flow distribution:
Flow-induced vibration,
Flow regimes:
Flow stream analysis method for segmentally baffled shell and tube heat exchangers,
Flue gases, fouling by,
Fluid elastic instability as source of flow-induced vibration,
Fluid flow, lost work in,
Fluid mechanics, Eulerian formulation for,
Fluid-to-particle heat transfer in fluidized beds,
Fluidized bed dryer:
Fluidized bed gravity conveyors,
Fluidized beds:
Fluids:
Fluorine:
Fluorobenzene:
Fluoroethane (Refrigerant 161):
Fluoromethane (Refrigerant 41):
Fluted tubes:
Flux method, for modeling radiation in furnaces,
Flux relationships in heat exchangers,
Fogging in condensation
Food processing, fouling of heat exchangers in,
Forced flow reboilers:
Formaldehyde:
Formamide:
Formic acid:
Forster and Zuber correlation for nucleate boiling,
Fouling,
Foam systems, heat transfer in,
Four phase flows, examples,
Fourier law for conduction
Fourier number (Fo):
Frames for plate heat exchangers,
France, guide to national practice for mechanical design,
Free convection:
Free-fall velocity, of particles,
Free-stream turbulence, effect on flow over cylinders,
Freeze protection of air-cooled heat exchangers,
Freezing, of condensate in condensers
Fresnel relations in reflection of radiation,
Fretting corrosion,
Friction factor:
Friction multipliers in gas-liquid flow:
Friction velocity, definition,
Friedel correlation for frictional pressure gradient in straight channels,
Froude number:
Fuels, properties of,
Fuller, R K,
Furan:
Furfural:
Furnaces:
Fusion welding, of tubes into tubesheets in shell-and-tube heat exchangers,
Index
HEDH
A
B
C
D
E
F
F-correction method:
F-factor charts and equations for various heat exchanger configurations,
F-factor method:
F-type shells:
Fabrication:
Failure modes of heat exchangers,
Falling films, direct contact heat transfer in,
Falling film evaporator:
Fanno flow,
Fans in air-cooled heat exchangers:
Fatigue as failure mode of a heat exchanger
Fatigue life, of expansion bellows,
Fawcett, R
Fedor's method, for critical temperature,
Fenghour, A
Ferritic stainless steels, as material of construction,
Fick's law for diffusion,
Film boiling:
Film model, condenser design by
Film temperature, definition of for turbulent flow over flat plate,
Films in heat exchangers,
Filmwise condensation:
Fincotherm, heat transfer medium,
Finite-difference equations:
Finite difference methods:
Finite-element methods:
Fins (see also Extended surfaces):
Fire-tube boiler,
Fired heaters,
Fires, room, radiation interaction phenomena in,
Firsova, E V,
Fixed beds:
Fixed tubesheet, shell-and-tube exchangers:
Flanges, mechanical design of in heat exchangers,
Flash evaporation
Flat absorber of thermal radiation,
Flat heads:
Flat plate:
Flat reflector of thermal radiation,
Floating head designs for shell-and-tube heat exchangers:
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
code guidelines for
detailed constructional features,
discussion,
example of calculation of heat exchanger mechanical design with,
expansion bellows for,
flanges in,
Flooded type evaporator, in refrigeration,
Flooding phenomena:
Flow distribution:
Flow-induced vibration,
Flow regimes:
Flow stream analysis method for segmentally baffled shell and tube heat exchangers,
Flue gases, fouling by,
Fluid elastic instability as source of flow-induced vibration,
Fluid flow, lost work in,
Fluid mechanics, Eulerian formulation for,
Fluid-to-particle heat transfer in fluidized beds,
Fluidized bed dryer:
Fluidized bed gravity conveyors,
Fluidized beds:
Fluids:
Fluorine:
Fluorobenzene:
Fluoroethane (Refrigerant 161):
Fluoromethane (Refrigerant 41):
Fluted tubes:
Flux method, for modeling radiation in furnaces,
Flux relationships in heat exchangers,
Fogging in condensation
Food processing, fouling of heat exchangers in,
Forced flow reboilers:
Formaldehyde:
Formamide:
Formic acid:
Forster and Zuber correlation for nucleate boiling,
Fouling,
Foam systems, heat transfer in,
Four phase flows, examples,
Fourier law for conduction
Fourier number (Fo):
Frames for plate heat exchangers,
France, guide to national practice for mechanical design,
Free convection:
Free-fall velocity, of particles,
Free-stream turbulence, effect on flow over cylinders,
Freeze protection of air-cooled heat exchangers,
Freezing, of condensate in condensers
Fresnel relations in reflection of radiation,
Fretting corrosion,
Friction factor:
Friction multipliers in gas-liquid flow:
Friction velocity, definition,
Friedel correlation for frictional pressure gradient in straight channels,
Froude number:
Fuels, properties of,
Fuller, R K,
Furan:
Furfural:
Furnaces:
Fusion welding, of tubes into tubesheets in shell-and-tube heat exchangers,
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Input Data and Recommended Practices
DOI 10.1615/hedhme.a.000251
3.3.5 Input data and recommended practices
J. Taborek
In this section we deal with three subjects:
- The basic set of input data as required for shell-side rating calculations, but also including those required for design of the overall exchanger, that is, including tube-side flow. These are presented in Table 1.
- Detailed comments to the input data, to give guidance to the designer as to proper practices and standards.
- Preliminary calculations of correlational parameters derived from the input data, as required for subsequent calculations.
Table 1 Input data required for rating of segmentally baffled shell-and-tube exchangers
| Item | Symbol | Units | Description |
|---|---|---|---|
| Shell-side geometry data | |||
| Tube and tube layout | |||
| 1 | Ds | mm | Inside shell diameter |
| 2 | Dt | mm | Tube outside diameter |
| 3 | Ltw | mm | Tube wall thickness |
| 4 | Dti | mm | Inside tube diameter |
| 5 | λtw | W/m K | Tube wall material thermal conductivity |
| 6 | Ltp | mm | Tube layout pitch |
| 7 | θtp | deg | Tube layout characteristic angle |
| Tube length (Refer to Figure 2) | |||
| 8 | Lto | mm | Overall nominal tube length |
| 9 | Lti | mm | Baffled tube length |
| 10 | Lta | mm | Effective tube length for heat transfer area |
| Baffle geometry (Figure 7) | |||
| 11 | Bc | % | Baffle cut as percent of Ds |
| 12 | Lbc | mm | Central baffle spacing |
| 13a | Lbi | mm | Inlet baffle spacing (optional) |
| 13b | Lbo | mm | Outlet baffle spacing (optional) |
| Nozzle | |||
| 14 | CN | code | Shell-side nozzle, impingement protection, annular distributor |
| Tube bundle geometry | |||
| 15 | Ntt | Total number of tubes or holes in tubesheet for U-tubes | |
| 16 | Ntp | Number of tube passes | |
| 17 | Nss | Number of sealing strips (pairs) | |
| 18 | CB | code | Tube bundle type (FX, UT, SRFH, PFH, PTFH) |
| 19 | Ltb | mm | Tube OD (Dt)-to-baffle hole clearance (diametral), Figure 12 |
| 20 | Lsb | mm | Inside shell-to-baffle clearance (diametral), Figure 13 |
| 21 | Lbb | mm | Inside shell-to-tube bundle bypass clearance (diametral), Figure 14 |
| Temperatures | |||
| 22 | Tsi | °C | Shell-side temperature inlet |
| 23 | Tso | °C | Shell-side temperature outlet |
| 24 | Tti | °C | Tube-side temperature inlet |
| 25 | Tto | °C | Tube-side temperature outlet |
| Shell-side process information | |||
| 26 | Ṁs | kg/s | Shell fluid mass flow rate |
| At shell fluid mean temperature | |||
| 27 | ρs | kg/m3 | Density |
| 28 | λs | W/m K | Thermal conductivity |
| 29 | (cp)s | J/kg K | Specific heat |
| 30 | ηs | cP = mPa/s | Dynamic viscosity (may require two values) |
| 31 | Rf,o | mK/W | Shell-side fouling resistance (referred to shell-side surface) |
| Tube-side process information | |||
| 32 | Ṁt | kg/s | Tube fluid mass flow rate |
| At tube fluid mean temperature | |||
| 33 | ρt | kg/m3 | Density |
| 34 | λt | W/m K | Thermal conductivity |
| 35 | (cp)t | J/kg K | Specific heat |
| 36 | ηt | cP = mPa/s | Dynamic viscosity (may require two values) |
| 37 | Rf,i | m K/W | Tube-side fouling resistance (referred to inside tube surface) |
| Special information | |||
| 38 | αs | W/m2 K | Shell-side heat transfer coefficient; if specified, omit items as shown in comments |
| 39 | αt | W/m2 K | Tube-side heat transfer coefficient; if specified, omit items as shown in comments |
| 40 | (Δps)max | kPa | Maximum permissible pressure drop, shell side |
| 41 | (Δpt)max | kPa | Maximum permissible pressure drop, tube side |
| 42 | (vt)max | m/s | Maximum permissible tube-side flow velocity (optional) |
| 43 | (vt)min | m/s | Minimum acceptable tube-side flow velocity (optional) |
A. Basic input data
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