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Heat Exchange of Tubular Surfaces in a Bubbling Fluidized Bed
- 1st Edition - August 12, 2023
- Authors: Oleksandr Redko, Andriy Redko
- Language: English
- Paperback ISBN:9 7 8 - 0 - 1 2 - 8 2 2 6 3 8 - 4
- eBook ISBN:9 7 8 - 0 - 1 2 - 8 2 3 2 8 1 - 1
Heat Exchange of Tubular Surfaces in a Bubbling Boiling Bed bridges the gap surrounding the study of a boiling bed of large particles with smooth and ribbed pipes, as well as pip… Read more
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Request a sales quoteHeat Exchange of Tubular Surfaces in a Bubbling Boiling Bed bridges the gap surrounding the study of a boiling bed of large particles with smooth and ribbed pipes, as well as pipe bundles. The book's authors combine results from experimental studies with their varied practical experience in fields of boiling bed applications across various disciplines such as chemical, pharmacological, metallurgical and power engineering industries. This book provides readers with a deep practical understanding of how to calculate the heat engineering parameters of ribbed pipe bundles in a boiling bed, along with the hydrodynamics of the boiling bed.
Researchers and experts involved in the design, development and operation of boiling bed apparatus will follow step-by-step methods and procedures to gain knowledge of the hydrodynamic and heat exchange elements of the boiling bed which can be applied to their own settings. The effect of gas velocity, size and properties of the dispersed material, the geometric characteristics of the pipe bundle is also presented, alongside data on the effect of high temperature and high pressure of gas in a dispersed system on heat exchange intensity.
Researchers and experts involved in the design, development and operation of boiling bed apparatus will follow step-by-step methods and procedures to gain knowledge of the hydrodynamic and heat exchange elements of the boiling bed which can be applied to their own settings. The effect of gas velocity, size and properties of the dispersed material, the geometric characteristics of the pipe bundle is also presented, alongside data on the effect of high temperature and high pressure of gas in a dispersed system on heat exchange intensity.
- Covers the design of apparatus and devices with a boiling bed in various industries
- Includes criteria equations for calculating heat exchange, as well as data for the calculation of furnace devices
- Presents the structure analysis of the boiling bed with submerged pipe bundles and the calculation of the hydrodynamic resistance of the boiling bed
Engineers and specialists involved in the development, design and operation of boiling-bed apparatus; graduate students and researchers in thermal energy; professors on the boiling-bed and the design and operation of boiling-bed apparatus
- Cover image
- Title page
- Table of Contents
- Copyright
- Dedication
- Preface
- Acknowledgment
- Chapter 1. Fluidization: general characteristics
- 1.1. Solid particle properties
- 1.2. Particle size distributions
- 1.3. Fluidization regime
- 1.4. Minimum fluidization, BFB limits
- 1.5. Bed expansion: porosity and layer height
- 1.6. Hydrodynamics of a polydisperse two-component BFB
- 1.7. Mathematical modeling of the BFB hydrodynamics
- Nomenclature
- Chapter 2. Hydrodynamic characteristics of the flow around dispersed medium bodies
- 2.1. Structural and gas-dynamic conditions at the surface of a body located in a fixed bed, which is the prehistory of a fluidized state
- 2.2. Flat surface flow pattern by a heterogeneous fluidized bed
- 2.3. Geometrical parameters of the gas cavity and the boundary zone arising near the plate
- 2.4. Gas-dynamic characteristics of the gas cavity and the boundary zone
- 2.5. Peculiarities of the flow around a ball, cylinder, and bodies of another surface shape
- 2.6. Hydrodynamics of a fluidized bed in the interpipe space of staggered arrangement and in-line of pipe bundles
- 2.7. Analysis of the causes of gas cavity and boundary zone formation when flowing bodies with the fluidized medium
- Nomenclature
- Chapter 3. Void fraction, gas speed in wall layer, and external heat exchange
- 3.1. Void fraction and gas velocity in the wall layer
- 3.2. Instantaneous local rate of external heat exchange
- 3.3. Average intensity of the heat transfer process from the body immersed in the fluidized bed
- 3.4. Methods for intensifying the process of external heat exchange in a fluidized bed
- Nomenclature
- Chapter 4. Heat exchange of fined pipes and their bundles immersed in a fluidized bed
- 4.1. Techniques and experimental facilities
- 4.2. Characteristics of the geometric parameters of fined pipes and used dispersed materials
- 4.3. Geometrical parameters of fined pipes
- 4.4. Comparison of total and local thermal modeling methods
- 4.5. Heat exchange of single fined pipes horizontally placed in a fluidized bed of large particles
- 4.6. Effect of thermal conductivity of fluidizing gas and fin material on heat transfer
- 4.7. Comparison of heat exchange efficiency of different types of pipe fining in the fluidized bed
- 4.8. Heat transfer, aerodynamic resistance, and erosional wear of fined pipe bundles in a fluidized bed of large particles
- 4.9. Fined pipe bundle efficiency
- 4.10. Heat transfer of smooth and fined pipe bundles in a high-temperature fluidized bed
- 4.11. Components of complex heat exchange in a coarse high-temperature fluidized bed
- 4.12. Local heat exchange of fined pipes in a fluidized bed
- 4.13. Heat transfer of fined pipes in a fluidized bed under pressure
- 4.14. Heat transfer of fined pipes in a fluidized bed under vibration
- 4.15. Heat transfer of fined pipes in a pulsating fluidized bed
- 4.16. Heat transfer of fined pipes in a wetted fluidized bed
- Nomenclature
- Chapter 5. Combustion of solid fuel in boilers with fluidized bed
- 5.1. Boiler diagrams with fluidized bed
- 5.2. Hot water boiler with a fined heating surface immersed in a fluidized bed
- 5.3. Combustion of low-grade solid fuels, coal enrichment waste in fluidized bed furnaces, and water–coal suspensions
- 5.4. Combustion of solid fuels in the pulsating FB
- 5.5. Combustion of biomass and wood waste in furnaces with a boiling bed
- 5.6. Simulation of solid fuel combustion processes in a vortex furnace
- Nomenclature
- Index
- No. of pages: 286
- Language: English
- Edition: 1
- Published: August 12, 2023
- Imprint: Academic Press
- Paperback ISBN: 9780128226384
- eBook ISBN: 9780128232811
OR
Oleksandr Redko
Redko Oleksandr is Doctor of technical sciences and Professor, department of Heat, gas supply, ventilation and using WHR at the Kharkiv National University of Construction and Architecture. He defended his Dr. S thesis on the problem of intensification of heat processes in a boiling bed and is currently researching processes of low-grade fuel combustion in a boiling bed.
Affiliations and expertise
Chairman, Department of Heat Gas Supply, Ventilation and Use Thermal of Secondary Resources, Kharkiv National University of Civil Engineering and Architecture, Kharkiv, UkraineAR
Andriy Redko
Redko Andriy is a Doctor of technical sciences at Kharkiv National University of Construction and Architecture, and Professor in the department of Heat, gas supply, ventilation and using WHR. He defended his PhD dissertation on the problem of gypsum dehydration in a boiling bed under pressure and he is currently researching processes of heat treatment and combustion of various fuels in a boiling bed.
Affiliations and expertise
Professor, Department of Heat Gas Supply, Ventilation and Use of Thermal Secondary Resources, Kharkiv National University of Civil Engineering and Architecture, Kharkiv, UkraineRead Heat Exchange of Tubular Surfaces in a Bubbling Fluidized Bed on ScienceDirect