Divided Solids Mechanics - 1st Edition - ISBN: 9781785481871, 9780081017777

Divided Solids Mechanics

1st Edition

Authors: Jean-Paul Duroudier
eBook ISBN: 9780081017777
Hardcover ISBN: 9781785481871
Imprint: ISTE Press - Elsevier
Published Date: 22nd September 2016
Page Count: 308
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Divided Solids Mechanics, part of the Industrial Equipment for Chemical Engineering set, defines how to perform the selection and calculation of equipment needed in the basic operations of process engineering, offering reliable and simple methods, with this volume providing a comprehensive focus divided solids mechanics.

Throughout these concise and easy-to-use books, the author uses his vast practical experience and precision knowledge of global research to present an in-depth study of a variety of aspects within the field of chemical engineering.

Key Features

  • Presents a guide that is particularly innovative in this field of study
  • Contains measurements of the mechanical properties of divided solids
  • Includes methods of discrete elements (of distinct particles)
  • Provides the properties of powders for pressing


Students and engineers in Process and Chemical Engineering; those working in the Chemical, Food, Pharmaceutical and Oil industries

Table of Contents

  • Dedication
  • Preface
  • 1: Mechanical Characteristics of Divided Solids
    • Abstract
    • 1.1 Two simple properties
    • 1.2 The mechanics of continuous media
    • 1.3 Flow of divided solids
    • 1.4 Current identities
    • 1.5 Measurement of the mechanical properties of divided solids
    • 1.6 Stockpiling
  • 2: Stresses in Hoppers and Silos: Filling, Emptying and Content Homogeneity
    • Abstract
    • 2.1 Stresses on the walls
    • 2.2 Variation in the stresses with ensiling and desiling. Homogeneity, heterogeneity of content
  • 3: Draining of Hoppers and Silos: Stresses and Flow Rate
    • Abstract
    • 3.1 General information
    • 3.2 Flow types and flow regimes
    • 3.3 Criteria for mass flow
    • 3.4 Flow with dead zone
    • 3.5 Arching or doming and its prevention
    • 3.6 Rate of emptying
    • 3.7 Withdrawal of fine products
    • 3.8 The kinematic theory of flow in a hopper
    • 3.9 Activation of the emptying
    • 3.10 Caking
  • 4: Mechanics of Divided Solids
    • Abstract
    • 4.1 Static limit of divided solids: method of characteristics
    • 4.2 The dynamic of D.S. according to Bagnold [BAG 54]
    • 4.3 Dynamics of divided solids: method of discrete elements (of distinct particles)
    • 4.4 Surface dynamics of a D.S.
    • 4.5 Experimental studies
  • 5: Densification of Powders: Tablets and Granules
    • Abstract
    • 5.1 Useful properties of powders for pressing
    • 5.2 The pressing operation of powders
    • 5.3 The physics of rolling-granulation
    • 5.4 Granulating equipment
    • 5.5 Resistance of the granular
  • 6: Mechanics and Thermics of Gaseous Fluidized Beds
    • Abstract
    • 6.1 Mechanics of gaseous fluidized beds
    • 6.2 Flow thresholds
    • 6.3 Morphology of a fluidized bed
    • 6.4 Plugging


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© ISTE Press - Elsevier 2017
ISTE Press - Elsevier
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About the Author

Jean-Paul Duroudier

Jean-Paul Duroudier is an engineer from Ecole centrale de Paris, France. He has devoted his professional life to the study of materials in chemical engineering.

Affiliations and Expertise

Engineer, Ecole Centrale de Paris, France

Ratings and Reviews