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Modelling Drying Processes
A Reaction Engineering Approach


  • Date Published: May 2013
  • availability: In stock
  • format: Hardback
  • isbn: 9781107012103

£ 116.00

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About the Authors
  • This comprehensive summary of the state of the art and the ideas behind the reaction engineering approach (REA) to drying processes is an ideal resource for researchers, academics and industry practitioners. Starting with the formulation, modelling and applications of the lumped-REA, it goes on to detail the use of the REA to describe local evaporation and condensation, and its coupling with equations of conservation of heat and mass transfer, called the spatial-REA, to model non-equilibrium multiphase drying. Finally, it summarises other established drying models, discussing their features, limitations and comparisons with the REA. Application examples featured throughout help fine-tune the models and implement them for process design and the evaluation of existing drying processes and product quality during drying. Further uses of the principles of REA are demonstrated, including computational fluid dynamics-based modelling, and further expanded to model other simultaneous heat and mass transfer processes.

    • Enables comparisons between REA and other drying models in terms of applicability, simplicity and effectiveness
    • Helps implement the REA to model various drying processes to aid in process design and product quality evaluation
    • Describes the principles of the REA in relation to the fundamentals of chemistry and physics, enabling further modelling of other simultaneous heat and mass transfer processes
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    Reviews & endorsements

    'The REA is easy to use with the guidance of featured application examples given in this book … highly recommended for both academics and industry practitioners involved in any aspect of thermal drying.' Zhanyong Li, Tianjin University of Science and Technology

    'An interesting book on a novel approach to mathematical modeling of an important process … a single comprehensive reference source.' Sakamon Devahastin, King Mongkut's University of Technology Thonburi

    '… a profound [and] at the same time relatively easily implementable modelling approach to model and predict drying processes … a very fundamental and theoretically rigorous spatially distributed modelling approach …' Benu P. Adhikari, University of Ballarat, Australia

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    Product details

    • Date Published: May 2013
    • format: Hardback
    • isbn: 9781107012103
    • length: 252 pages
    • dimensions: 253 x 178 x 15 mm
    • weight: 0.65kg
    • contains: 134 b/w illus. 19 tables
    • availability: In stock
  • Table of Contents

    1. Introduction:
    1.1. Practical background
    1.2. A 'microstructural' discussion of the phenomena of drying of moist porous materials
    1.3. The reaction engineering approach (REA) to modeling drying
    1.4. Summary
    2. Reaction Engineering Approach I: Lumped-REA:
    2.1. The REA formulation
    2.2. Determination of REA model parameters
    2.3. Coupling the momentum, heat and mass balances
    2.4. Mass or heat transfer limiting
    2.5. Convective drying of particulates or thin layer products modeled using the L-REA
    2.6. Convective drying of thick samples modeled using the L-REA
    2.7. The intermittent drying of food materials modeled using the L-REA
    2.8. The intermittent drying under time-varying temperature and humidity modeled using the L-REA
    2.9. The heating of wood under linear-increased gas temperature modeled using the L-REA
    2.10. The baking of cake modeled using the L-REA
    2.11. The infrared-heating drying of a mixture of polymer solution under time-varying infrared-heating intensity modeled using the L-REA
    2.12. The intermittent drying of a mixture of polymer solution under time-varying infrared-heating intensity modeled using the L-REA
    2.13. Summary
    3. Reaction Engineering Approach II: Spatial-REA:
    3.1. The spatial reaction engineering approach (S-REA) formulation
    3.2. Determination of the S-REA parameters
    3.3. The S-REA for convective drying
    3.4. The S-REA for intermittent drying
    3.5. The S-REA for wood heating under constant heating rate
    3.6. The S-REA for baking of bread
    3.7. Summary
    4. Comparisons of the REA with Fickian-Type Drying Theories, Luikov's and Whitaker's approach:
    4.1. Model formulation
    4.2. Boundary conditions' controversies
    4.3. Diffusion-based model with the local evaporation rate
    4.4. Comparison of the diffusion-based model and the L-REA on the convective drying
    4.5. Comparison of the diffusion-based model and the S-REA on the convective drying
    4.6. Model formulation of Luikov's approach
    4.7. Model formulation of Whitaker's approach
    4.8. Comparison of the L-REA, Luikov's and Whitaker's approach for modeling heat treatment of wood under constant heating rate
    4.9. Comparison of the S-REA, Luikov's and Whitaker's approach for modeling heat treatment of wood under constant heating rate
    4.10. Summary.

  • Authors

    Xiao Dong Chen, Monash University, Victoria
    Xiao Dong Chen is currently the 1000-talent Chair Professor of Chemical Engineering at Xiamen University in China and the Head of Department of Chemical and Biochemical Engineering. He is also a fractional Professor of Chemical Engineering and the Co-Director of the Biotechnology and Food Engineering Research Lab at Monash University, Australia, and an Elected Fellow of the Royal Society of New Zealand, the Australian Academy of Technological Sciences and Engineering, and the IChemE.

    Aditya Putranto, Monash University, Victoria
    Aditya Putranto holds a PhD in Chemical Engineering from Monash University, Australia.

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