*“The Reaction Engineering Approach (REA), which captures the basic drying physics, is a simple yet effective mathematical model for practical applications of diverse drying processes. The intrinsic “fingerprint” of the drying phenomena can in principle be obtained through just one accurate drying experiment. The REA is easy to use with the guidance of featured application examples given in this book. This book is highly recommended for both academics and industry practitioners involved in any aspect of thermal drying.” – Zhanyong Li, Tianjin University of Science and Technology, China*

*“An interesting book on a novel approach to mathematical modeling of an important process. Modeling Drying Processes: A Reaction Engineering Approach is the first attempt to summarize the REA to modeling in a single comprehensive reference source.” – Sakamon Devahastin, King Mongkut’s University of Technology Thonburi, Thailand*

*“ a profound 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*

### Product Details

- ISBN-13: 9781107012103
- Publisher: Cambridge University Press
- Publication date: 5/31/2013
- Pages: 252

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### 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.