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Ideal gas:
Ilexan, heat transfer medium,
Illingworth, A,
Imbedded fins,
Immersed bodies:
Immersed tubes, in fluidized beds, heat transfer to,
Immiscible liquids, condensation of vapors producing
Impairment of heat transfer in combined free and forced convection in a vertical pipe,
Imperfectly diffuse surfaces:
Impingement damage in heat exchangers,
Impingement plate:
Impingement protection, in shell-and-tube heat exchangers,
Impinging jets:
Implicit equations, solution of
Inclined enclosures, free convective heat transfer in,
Inclined flow, effect of on heat transfer to cylinders,
Inclined pipes:
Inclined surfaces, free convective heat transfer from,
Inconel, spectral characteristics of reflectance from oxidized surface of,
Induced flow instabilities, in augmentation of heat transfer,
Injection:
Inlet effects in shell-and-tube heat exchangers,
In-line tube banks:
Inorganic compounds, solutions of, as heat transfer media,
Inorganic substances:
Instability, parallel channel, in condensers,
Insulators, thermal conductivity of,
Integral condensation:
Integral finned tubes:
Interaction coefficients in heat exchangers,
Interaction parameters for binary systems, tables,
Interfacial friction, in three-phase (liquid-liquid-gas) stratified flows,
Interfacial resistance, in condensation,
Interfacial roughness, relationships for, in annular gas-liquid flow,
Interfacial shear stress, effect on filmwise condensation, on vertical surface,
Intergrannular corrosion, of
Intermating troughs, as corrugation design in plate heat exchangers,
Intermittent flows:
Internal heat sources, temperature distribution in bodies with,
Internal heat transfer coefficient, use in transient conduction calculations,
Internal reboilers (in distillation columns), characteristics advantages and disadvantages of,
Internally finned tubes:
International codes for pressure vessels,
Interpenetrating continua (as representation of heat exchangers):
Intertube velocity, in tube banks,
Inviscid flow, compressible, with heat addition,
Iodine:
Iodobenzene:
Iodoethane:
Iodomethane:
ISO codes for mechanical design of heat exchangers,
Isobutane:
Isobutanol:
Isobutylamine:
Isobutylformate:
Isobutyric acid:
Isoparaffins:
Isopentane:
Isopentanol:
Isopropanol:
Isopropylacetate:
Isopropylamine:
Isopropylbenzene:
Isopropylcyclohexane:
Isothermal flow, compressible, in ducts,
Isothermal gas, radiation heat transfer to walls from,
Isotropic materials, elastic properties,
Isotropic scattering,
Italy, guide to national practice for heat exchanger mechanical design,
Index
HEDH
A
B
C
D
E
F
G
H
I
Ideal gas:
Ilexan, heat transfer medium,
Illingworth, A,
Imbedded fins,
Immersed bodies:
Immersed tubes, in fluidized beds, heat transfer to,
Immiscible liquids, condensation of vapors producing
Impairment of heat transfer in combined free and forced convection in a vertical pipe,
Imperfectly diffuse surfaces:
Impingement damage in heat exchangers,
Impingement plate:
Impingement protection, in shell-and-tube heat exchangers,
Impinging jets:
Implicit equations, solution of
Inclined enclosures, free convective heat transfer in,
Inclined flow, effect of on heat transfer to cylinders,
Inclined pipes:
Inclined surfaces, free convective heat transfer from,
Inconel, spectral characteristics of reflectance from oxidized surface of,
Induced flow instabilities, in augmentation of heat transfer,
Injection:
Inlet effects in shell-and-tube heat exchangers,
In-line tube banks:
Inorganic compounds, solutions of, as heat transfer media,
Inorganic substances:
Instability, parallel channel, in condensers,
Insulators, thermal conductivity of,
Integral condensation:
Integral finned tubes:
Interaction coefficients in heat exchangers,
Interaction parameters for binary systems, tables,
Interfacial friction, in three-phase (liquid-liquid-gas) stratified flows,
Interfacial resistance, in condensation,
Interfacial roughness, relationships for, in annular gas-liquid flow,
Interfacial shear stress, effect on filmwise condensation, on vertical surface,
Intergrannular corrosion, of
Intermating troughs, as corrugation design in plate heat exchangers,
Intermittent flows:
Internal heat sources, temperature distribution in bodies with,
Internal heat transfer coefficient, use in transient conduction calculations,
Internal reboilers (in distillation columns), characteristics advantages and disadvantages of,
Internally finned tubes:
International codes for pressure vessels,
Interpenetrating continua (as representation of heat exchangers):
Intertube velocity, in tube banks,
Inviscid flow, compressible, with heat addition,
Iodine:
Iodobenzene:
Iodoethane:
Iodomethane:
ISO codes for mechanical design of heat exchangers,
Isobutane:
Isobutanol:
Isobutylamine:
Isobutylformate:
Isobutyric acid:
Isoparaffins:
Isopentane:
Isopentanol:
Isopropanol:
Isopropylacetate:
Isopropylamine:
Isopropylbenzene:
Isopropylcyclohexane:
Isothermal flow, compressible, in ducts,
Isothermal gas, radiation heat transfer to walls from,
Isotropic materials, elastic properties,
Isotropic scattering,
Italy, guide to national practice for heat exchanger mechanical design,
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
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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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