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Particle Technology and Engineering

Book Description

Particle Technology and Engineering presents the basic knowledge and fundamental concepts that are needed by engineers dealing with particles and powders. The book provides a comprehensive reference and introduction to the topic, ranging from single particle characterization to bulk powder properties, from particle-particle interaction to particle-fluid interaction, from fundamental mechanics to advanced computational mechanics for particle and powder systems.

The content focuses on fundamental concepts, mechanistic analysis and computational approaches. The first six chapters present basic information on properties of single particles and powder systems and their characterisation (covering the fundamental characteristics of bulk solids (powders) and building an understanding of density, surface area, porosity, and flow), as well as particle-fluid interactions, gas-solid and liquid-solid systems, with applications in fluidization and pneumatic conveying. The last four chapters have an emphasis on the mechanics of particle and powder systems, including the mechanical behaviour of powder systems during storage and flow, contact mechanics of particles, discrete element methods for modelling particle systems, and finite element methods for analysing powder systems.

This thorough guide is beneficial to undergraduates in chemical and other types of engineering, to chemical and process engineers in industry, and early stage researchers. It also provides a reference to experienced researchers on mathematical and mechanistic analysis of particulate systems, and on advanced computational methods.

  • Provides a simple introduction to core topics in particle technology: characterisation of particles and powders: interaction between particles, gases and liquids; and some useful examples of gas-solid and liquid-solid systems
  • Introduces the principles and applications of two useful computational approaches: discrete element modelling and finite element modelling
  • Enables engineers to build their knowledge and skills and to enhance their mechanistic understanding of particulate systems

Table of Contents

  1. Cover image
  2. Title page
  3. Table of Contents
  4. Copyright
  5. Preface
  6. Chapter 1. Introduction
    1. 1.1. What Are Particles?
    2. 1.2. What Is Known?
    3. 1.3. Computational Modeling
    4. 1.4. What Are the Applications?
  7. Chapter 2. Bulk Solid Characterization
    1. 2.1. Density
    2. 2.2. Surface Area
    3. 2.3. Flowability
    4. 2.4. Compressibility
    5. 2.5. Compactibility
  8. Chapter 3. Particle Characterization
    1. 3.1. Particle Shape
    2. 3.2. Particle Size
    3. 3.3. Sampling for Shape and Size Characterization
  9. Chapter 4. Particles in Fluids
    1. 4.1. Settling of a Single Isolated Particle in a Continuous Fluid
    2. 4.2. Drag Force on an Isolated Particle (Seville et al., 1997)
    3. 4.3. Calculation of the Terminal Velocity
    4. 4.4. Other Shapes
    5. 4.5. Acceleration and Unsteady Motion2
    6. 4.6. Curvilinear Motion
    7. 4.7. Assemblies of Particles
  10. Chapter 5. Gas–Solid Systems
    1. 5.1. Gas–Solid Contact Regimes—The Whole Picture
    2. 5.2. Flow Through a Packed Bed
    3. 5.3. Fluidization
    4. 5.4. Pneumatic Conveying
    5. 5.5. Gas–Solid Separation∗
  11. Chapter 6. Liquid–Solid Systems
    1. 6.1. Rheology of Suspensions
    2. 6.2. Pastes
    3. 6.3. Agglomeration
  12. Chapter 7. Mechanics of Bulk Solids
    1. 7.1. Friction and the Coulomb Model
    2. 7.2. Stress Analysis in Storage Vessels
    3. 7.3. Stress Analysis for Compression of a Powder Bed
    4. 7.4. Discharge Dynamics—Hopper Flow
  13. Chapter 8. Particle–Particle Interaction
    1. 8.1. Interaction of Elastic Particles
    2. 8.2. Interaction of Elastic-Plastic Particles
    3. 8.3. Interaction of Particles with Adhesion
    4. 8.4. Interaction of Particles with Liquid Bridges
  14. Chapter 9. Discrete Element Methods
    1. 9.1. Hard-Sphere and Soft-Sphere DEMs
    2. 9.2. The Principle of DEM
    3. 9.3. Data Analysis
    4. 9.4. Applications
  15. Chapter 10. Finite Element Modeling
    1. 10.1. Modeling of Particle–Particle Interaction
    2. 10.2. Multiple Particle Finite Element Modeling
    3. 10.3. Continuum Modeling of Powder Compaction
  16. Index