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Intensification of Heat and Mass Transfer on Macro-, Micro-, and Nanoscales

ISBN:
978-1-56700-284-3 (Print)
978-1-56700-289-8 (Online)

Intensification of Heat and Mass Transfer on Macro-, Micro-, and Nanoscales

Boris V. Dzyubenko
Moscow Aviation Institute (State Technical University), 4 Volokolamskoe Highway, Moscow, 125993, Russia

Yuri Alfredovich Kuzma-Kichta
Moscow Power Engineering Institute (Technical university), Thermal Physics, E-250, 14 Krasnokasarmennaya Ul., Moscow, 105835, Russia

Alexander I. Leontiev
Institute of Mechanics, Lomonosov Moscow State University, Moscow 119192; N. E. Bauman Moscow State Technical University

I.I. Fedik
Scientific Production Union, LUCH, Podolsk, Russia

L. P. Kholpanov
Institute for the Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka

Description

The results of theoretical and experimental investigations of heat and mass transfer enhancement on macro-, micro-, and nanoscale in single- and two-phase media, of phase interface vibrations, and of the separation of heterogeneous systems are presented. The research works carried out with the aim of increasing the safety and efficiency of power plants made it possible to develop new methods of heat and mass transfer intensification, formulate new research trends, to create new apparatuses, mathematical models of processes and the engineering methods of their calculations. Propulsion systems of spacecrafts for a piloted mission to Mars and the related methods of heat transfer intensification, the methods of calculation of heat and mass transfer under the conditions of scaling of twisted pipes and pipes with circular diaphragms, and the calculation of the hydrodynamics of multiphase heterogeneous media in a centrifugal field are considered additionally, as well as the results of the investigation into the influence of the roughened surface on heat transfer in boiling on a sphere and correlations of the data on the influence of tape twisting on the critical heat loading are presented. The results of comparing the characteristics of tubular and plate-type heat exchangers with heat transfer intensifiers, characteristics of heat transfer apparatuses with twisted tubes, as well as investigations of heat and mass transfer in condensation of steam from escaping flue gases of boilers are given. The book is intended for specialists involved in the development of power plants.



564 pages, © 2016

Table of Contents:

INTRODUCTION
CHAPTER 1 CHOICE AND JUSTIFICATION OF THE HEAT TRANSFER INTENSIFICATION METHODS
1.1. Macro-, Micro-, and Nanoscale Heat Transfer Intensifi ers
1.1.1. Macroscale Heat Transfer Intensifi ers in the Presence of Convection
1.1.2. Hydrodynamics and Heat Transfer in Helically Profi led Pipes
1.1.3. Heat Transfer and Resistance in Channels with Annular Knurling
1.1.4. Infl uence of Surface Dimpling on Heat Transfer and Hydraulic Resistance
1.1.5. Macroscale Heat Transfer Intensifi ers in the Presence of Condensation
1.1.6. Macro- and Microscale Boiling Heat Transfer Intensifi ers
1.1.7. Infl uence of Porous Coatings on Boiling Heat Transfer
1.1.8. Micro- and Nanoscale Intensifi ers of Heat Transfer in Convection
1.1.9. Porous and Microchannel Inserts
NOMENCLATURE
REFERENCES
1.2. Flow Twisting in Pipes and Bundles of Fuel Elements and Pipes
1.2.1. Heat Transfer Intensifi cation with the Aid of a Twisted Tape
1.2.2. Characteristic Features of the Hydrodynamics in Coils
1.2.3. Intensifi cation of Heat Transfer in Twisted Pipes
1.2.4. Bundles of Twisted Fuel Elements and Pipes
REFERENCES
1.3. Oscillations of the Phase Interface
1.3.1. Film Boiling. Vapor Film Thickness
1.3.2. Bubble Boiling. Vapor Bubble Oscillations
REFERENCES
CHAPTER 2 THEORETICAL METHODS OF INVESTIGATION OF HEAT AND MASS TRANSFER ENHANCEMENT
2.1. Bundles of Twisted Fuel Elements and Tubes
2.1.1. Methods of Thermohydraulic Design of Fuel Assemblies with Twisted Fuel Elements
2.1.2. Thermohydraulic Design of Heat Exchangers with Twisted Tubes
NOMENCLATURE
REFERENCES
2.2. Hydrodynamics of Multiphase Heterogeneous Media under the Action of Centrifugal Forces
NOMENCLATURE
REFERENCES
2.3. Wave Formation in a Thin Liquid Film
2.3.1. Mass Transfer in Wave Formation
2.3.2. Enhancement of Heat and Mass Transfer on the Walls of Apparatuses with Regular Roughness
2.3.3. Combined Heat and Mass Transfer in Multicomponent, Multiphase, and Jet Systems
2.3.4. Hydrodynamics in a Wavy Film
2.3.5. Equiphasing in Transfer Processes
2.3.6. Mathematical Simulation of Turbulent Mass Transfer in a Film Flow
2.3.7. Mass Transfer in the Mode of an Ascending Rectilinear Flow
2.3.8. Characteristic Features of the Energetics of Induction Fields in Mildly Conducting Moving Media
2.3.9. New Form of Analogy between the Transfer of Momentum, Substance, and Energy
2.3.10. Infl uence of Inlet Hydrodynamic Effects on the Effi ciency of Heat and Mass Transfer
2.3.11. Modeling of Heterogeneous Media
2.3.12. Mathematical Simulation of Hydrodynamics on Permeable Surfaces
2.3.13. Mathematical Modeling of the Disperse Phase Dynamics
2.3.14. Laws Governing the Origination of Self-Organization and of Dynamic Chaos
2.3.15. General Nonlinear Parabolic Equation (GNPE)
NOMENCLATURE
REFERENCES
2.4. Macro- and Microscale Heat Transfer Intensifi ers
2.4.1. Thermohydrodynamic Analogy in Porous Media
REFERENCES
CHAPTER 3 EXPERIMENTAL METHODS OF STUDYING HEAT AND MASS TRANSFER INTENSIFICATION
3.1. Bundles of Twisted Pipes
3.2. Heat Transfer Intensifi ers of Macro- and Microscales
3.2.1. Facilities for Investigating the Intensifi cation of Heat Transfer to Various Media Including Liquid Metals
3.2.2. Automated Test Rig for Investigating the Local and Integral Characteristics of the Intensifi cation of Heat Removal in a Wide Range of Vapor Contents
3.2.3. Automated Test Rig with Electronic Heating of a Horizontal Channel
3.2.4. Methods of Investigation of Heat Transfer Intensifi cation in Channels of Complex Shape
3.3. Oscillations of the Phase Interface
REFERENCES
CHAPTER 4 RESULTS OF EXPERIMENTAL INVESTIGATIONS OF HEAT AND MASS TRANSFER INTENSIFICATION
4.1. Bundles of Twisted Fuel Elements and Pipes, Twisted Pipes, and Annular Channels with a Twisted Pipe
4.1.1. Bundles of Fuel Elements and Pipes in a Longitudinal Flow
4.1.2. Bundles of Spiral Fuel Elements in a Cross Flow
REFERENCES
4.2. Heat Transfer Intensifi ers of Macro- and Microscale
4.2.1. Flow in Channels with Inserts
4.2.2. Infl uence of Porous Coatings on Vapor Content x* at which Transition to the Region of Deteriorated Heat Transfer Begins
4.2.3. Infl uence of Porous Coatings on the Thermal Nonequilibrium State of a Flow
4.2.4. Results of Calculations
4.2.5. Correlation of Data on the Infl uence of Flow Twisting on the Critical Heat Loading
REFERENCES
4.3. Phase Interface Oscillations
4.3.1. Bubble Boiling. Vapor Bubble Oscillations During Its Growth on a Wall
NOMENCLATURE
REFERENCES
CHAPTER 5 INTENSIFIED SEPARATION OF HETEROGENEOUS SYSTEMS IN HEAT AND MASS TRANSFER APPARATUSES
5.1. Vapor–Gas–Liquid Systems
5.1.1. Separation in Cyclones
5.1.2. Effi ciency of Cyclone Elements in Tray Apparatuses
5.1.3. Separation of Gas–Liquid Mixtures in Cyclones-Classifi ers
5.1.4. Separation by Liquid Jets
5.2. Stochastic Analysis of Hydromechanical Processes of Heterogeneous System Separation
5.2.1. Description of the Evolution of Dynamic Systems with 'White Noise'
5.2.2. Description of Hydromechanical Separation of Heterogeneous Systems
REFERENCES
CHAPTER 6 INCORPORATION OF THE METHODS OF HEAT AND MASS TRANSFER ENHANCEMENT INTO ENGINEERING
6.1. Power Propulsion Plants of Spacecraft for Piloted Expedition to Mars
REFERENCES
6.2. Determination of the Characteristic Parameters of a Nuclear Power Propulsion Plant
REFERENCES
6.3. Selection of the Construction and Materials for the Fuel Assembly of a Nuclear Heterogeneous Reactor
REFERENCES
6.4. Reactors and Lasers
6.4.1. Twisted Fuel Elements for Gas-Cooled Nuclear Reactors
6.4.2. Enhancement of Cooling and of Thermostating of Laser Mirrors, Targets, and Accelerator Cavities
6.4.3. Thermophysical Justifi cations of the Construction of Thermonuclear Reactors with a Jet Liquid Metal Blanket
6.4.4. Thermophysical Justifi cation of the Construction of Reactors-Lasers
6.4.5. Application of Liquid Metals for Heat Transfer Enhancement in Physical-Power Engineering Plants
REFERENCES
6.5. Evaporators and Heat Exchangers for Heat Supply
6.5.1. Improvement of Heat Exchangers for Heat Supply
NOMENCLATURE
REFERENCES
6.6. Condensers of Steam of Thermoelectric Plant Boilers
6.6.1. Intensifi cation of Heat and Mass Transfer in Condensation of Steam from Flue Gases Leaving Boilers
REFERENCES
6.7. Apparatuses for Separating Heterogeneous Systems
REFERENCES
INDEX