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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
Hagen-Poiseuille law Hagen-Rubens relation, between electrical and optical constants, Hall Taylor, N S, Halogenated hydrocarbons: Handley and Heggs equation for fixed bed pressure drop, Hankinson and Thomson method, for liquid density: Hardening (precipative) of stainless steels, Hardwick, R, Harris, D, Hausen equation for developing laminar flow, Hays, G F Headers in shell-and-tube heat exchangers, Heads, in heat exchangers: Heat and mass transfer: Heat exchanger design, introduction, Heat exchangers:
condensers, corrosion and other damage, costing, definitions and quantitative relationships, description of, design, double pipe, effectiveness of: entropy generation in, F-correction method for F-factor charts for, fouling of, gas-liquid pressure drop in, heat pipe, mechanical design: air-cooled, networks of, pinch analysis method for, numerical solution methods for: with calculation of flow pattern, plate fin, plate, thermal design of, P-NTU method for practical aspects of operation, pressure drop in headers, nozzles, and turnarounds, representation as interpenetrating continua, safety of shell-and-tube (single phase), thermal design of suction line exchangers in refrigeration, twisted tube, with dimpled surfaces,
Introduction: Dimpled Surfaces for Heat Exchangers introduction to, experimental studies of, industrial applications of, numerical simulation of, vortex heat transfer enhancement in, vortex formation models in,
with tube inserts, Θ-method for Θ-method chart for,
Heat of vaporisation (see Enthalpy of vaporisation), of pure substances Heat pipes: Heat pumping, relation to heat exchanger network design, Heat storage (see Regenerators and thermal energy storage) entropy generation in, Heat transfer: Heat transfer coefficient: Heat transfer media, Heat transfer salt, Heat transfer regimes: Heat of vaporization, Heated cavity reflectometer, Heating media, for reboilers, Heavy water, physical properties of, Heggs, P J, Helical coils of circular cross section: Helical coils of rectangular cross section, Helical inserts, for enhancement of heat transfer in boiling, Helium: Helmholtz reciprocity principle, in radiative heat transfer, Henry, J A R, Henry-Fauske model, for critical two-phase flow, Henry's law, for partial pressure, Heptadecane: Heptadecene: Heptane: 1-Heptanol: 1-Heptene: Herman, K W, Hermes, C L L, Heterogeneous conveyance in horizontal pipes, Heterogeneous nucleation in boiling, Hewitt, G F Hexachloroethane (Refrigerant 116): Hexacyclopentane, superheated vapor properties, Hexadecane: Hexadecene: 1,5-Hexadiene: Hexagonal cells, in free convection, Hexamethylbenzene: Hexane: Hexanoic acid: 1-Hexanol: 1-Hexene: Hexylbenzene: Hexylcyclohexane: Hexylcyclopentane, Hicks equation, for fixed-bed pressure drop, High pressure closures, ASME VIII code guidance for, High-chrome steels, thermal and mechanical properties, High-finned tubes, correlations for single-phase heat transfer in flow over, Hills, P D Hohlraum cavity, Holdup, in liquid-liquid flow, Holland, guide to national practice for mechanical design of heat exchangers, Homogeneous condensation (fog formation), Homogeneous model: Homogeneous nucleation: Honeycombs: Hopkins, D, Horizontal condensers: Horizontal cylinders: Horizontal layers, of fluid, free convection heat transfer in, Horizontal pipes: Horizontal shell-side evaporator, Horizontal surfaces: Horizontal thermosiphon reboilers: Horizontal tube-side evaporator, Horizontal tubes: Hottel's rule, in absorption of radiation by gases, Hsu criterion, for onset of nucleate boiling, Hybrid cooling towers, Hydraulic conveyance: Hydraulic expansion, of tubes into tube sheets in shell-and-tube heat exchangers, Hydraulic turbine, lost work in, Hydraulic resistance, in flow of supercritical fluids, Hydraulically smooth surface, Hydrazine: Hydrocarbons: Hydrodynamic entrance length, in single-phase flow in ducts, Hydrogen: Hydrogen bromide: Hydrogen chloride: Hydrogen cyanide: Hydrogen fluoride: Hydrogen iodide: Hydrogen peroxide: Hydrogen sulfide: Hydrostatic testing of shell-and-tube heat exchangers, Hysteresis:

Index

HEDH
A B C D E F G H
Hagen-Poiseuille law Hagen-Rubens relation, between electrical and optical constants, Hall Taylor, N S, Halogenated hydrocarbons: Handley and Heggs equation for fixed bed pressure drop, Hankinson and Thomson method, for liquid density: Hardening (precipative) of stainless steels, Hardwick, R, Harris, D, Hausen equation for developing laminar flow, Hays, G F Headers in shell-and-tube heat exchangers, Heads, in heat exchangers: Heat and mass transfer: Heat exchanger design, introduction, Heat exchangers:
condensers, corrosion and other damage, costing, definitions and quantitative relationships, description of, design, double pipe, effectiveness of: entropy generation in, F-correction method for F-factor charts for, fouling of, gas-liquid pressure drop in, heat pipe, mechanical design: air-cooled, networks of, pinch analysis method for, numerical solution methods for: with calculation of flow pattern, plate fin, plate, thermal design of, P-NTU method for practical aspects of operation, pressure drop in headers, nozzles, and turnarounds, representation as interpenetrating continua, safety of shell-and-tube (single phase), thermal design of suction line exchangers in refrigeration, twisted tube, with dimpled surfaces,
Introduction: Dimpled Surfaces for Heat Exchangers introduction to, experimental studies of, industrial applications of, numerical simulation of, vortex heat transfer enhancement in, vortex formation models in,
with tube inserts, Θ-method for Θ-method chart for,
Heat of vaporisation (see Enthalpy of vaporisation), of pure substances Heat pipes: Heat pumping, relation to heat exchanger network design, Heat storage (see Regenerators and thermal energy storage) entropy generation in, Heat transfer: Heat transfer coefficient: Heat transfer media, Heat transfer salt, Heat transfer regimes: Heat of vaporization, Heated cavity reflectometer, Heating media, for reboilers, Heavy water, physical properties of, Heggs, P J, Helical coils of circular cross section: Helical coils of rectangular cross section, Helical inserts, for enhancement of heat transfer in boiling, Helium: Helmholtz reciprocity principle, in radiative heat transfer, Henry, J A R, Henry-Fauske model, for critical two-phase flow, Henry's law, for partial pressure, Heptadecane: Heptadecene: Heptane: 1-Heptanol: 1-Heptene: Herman, K W, Hermes, C L L, Heterogeneous conveyance in horizontal pipes, Heterogeneous nucleation in boiling, Hewitt, G F Hexachloroethane (Refrigerant 116): Hexacyclopentane, superheated vapor properties, Hexadecane: Hexadecene: 1,5-Hexadiene: Hexagonal cells, in free convection, Hexamethylbenzene: Hexane: Hexanoic acid: 1-Hexanol: 1-Hexene: Hexylbenzene: Hexylcyclohexane: Hexylcyclopentane, Hicks equation, for fixed-bed pressure drop, High pressure closures, ASME VIII code guidance for, High-chrome steels, thermal and mechanical properties, High-finned tubes, correlations for single-phase heat transfer in flow over, Hills, P D Hohlraum cavity, Holdup, in liquid-liquid flow, Holland, guide to national practice for mechanical design of heat exchangers, Homogeneous condensation (fog formation), Homogeneous model: Homogeneous nucleation: Honeycombs: Hopkins, D, Horizontal condensers: Horizontal cylinders: Horizontal layers, of fluid, free convection heat transfer in, Horizontal pipes: Horizontal shell-side evaporator, Horizontal surfaces: Horizontal thermosiphon reboilers: Horizontal tube-side evaporator, Horizontal tubes: Hottel's rule, in absorption of radiation by gases, Hsu criterion, for onset of nucleate boiling, Hybrid cooling towers, Hydraulic conveyance: Hydraulic expansion, of tubes into tube sheets in shell-and-tube heat exchangers, Hydraulic turbine, lost work in, Hydraulic resistance, in flow of supercritical fluids, Hydraulically smooth surface, Hydrazine: Hydrocarbons: Hydrodynamic entrance length, in single-phase flow in ducts, Hydrogen: Hydrogen bromide: Hydrogen chloride: Hydrogen cyanide: Hydrogen fluoride: Hydrogen iodide: Hydrogen peroxide: Hydrogen sulfide: Hydrostatic testing of shell-and-tube heat exchangers, Hysteresis:
I J K L M N O P Q R S T U V W X Y Z
H Heat exchangers: with dimpled surfaces,
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Introduction: Dimpled Surfaces for Heat Exchangers

DOI 10.1615/hedhme.a.000391

3.25.1 Introduction: dimpled surfaces for heat exchangers

Yaroslav Chudnovsky, Aleksandr Kozlov

Effective cooling and heating are very important aspects of various industrial, commercial and residential processes to maintain a required temperature level for many reasons including thermal stabilization/ management and/or product quality control.

The most comprehensive analysis of enhanced heat transfer mechanisms, techniques, surfaces and performance evaluation criteria for variety of heat exchanger types are given in Webb (1994). It also contains over 9,500 literature references on the subject in CD form.Figure 1 and Figure 2 below clearly indicate the increasing interest to the area of heat transfer enhancement throughout the last century.

Figure 1 cited in Manglik and Bergles (2004) shows the number of journal and conference publications on augmentation per year between 1850 and 2001 while Figure 2 summarizes the U.S. patent activity from 1928 to 1983 Webb et al. (1983). Both figures illustrate that rapid growth of the publications and patents began in the 1950s-1960s and is continuing into the new millennium.

Dimpled surfaces - heat transfer surfaces formed by three-dimensional cavities with specific geometry and mutual orientation have been attracting attention in the world research and engineering community since the early 1980s as an efficient means of heat transfer augmentation. They are still the subject of much detailed research, reflecting the complexity of the heat transfer mechanisms occurring in the cavities.

Despite the wide spectrum of work on heat transfer augmentation in general and the large volume of published experimental data Shchukin et al. (2003), Shchukin et al. (1998) and numerical modeling results Isaev et al. (2004) on dimpled surfaces in particular, the availability of design information for dimpled surfaces is very limited.

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