Modelling Diffusion Limited Drying Behaviour In A Batch Fluidized Bed Dryer

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Modeling and Flowsheet Simulation of Vibrated Fluidized Bed Dryers (Band 18)

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Author : Sören Ernst Lehmann
Publisher : Cuvillier Verlag
ISBN 13 : 3736975392
Total Pages : 182 pages
Book Rating : 4.7/5 (369 download)

Book Synopsis Modeling and Flowsheet Simulation of Vibrated Fluidized Bed Dryers (Band 18) by : Sören Ernst Lehmann

Download or read book Modeling and Flowsheet Simulation of Vibrated Fluidized Bed Dryers (Band 18) written by Sören Ernst Lehmann and published by Cuvillier Verlag. This book was released on 2021-12-07 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fluidized bed dryers are the prime choice when it comes to drying of heat sensitive products, commonly processed in the pharmaceutical and food industry. As many products in these industries are ﬁne and cohesive, mechanical vibration of the dryer is used to enable or improve ﬂuidization. Thus, the goal of this thesis is the development of a ﬂuidized bed drying model that accounts for the inﬂuence of mechanical vibration of the dryer, as well as its implementation in an open-source ﬂowsheet simulation framework. Continuously operated ﬂuidized bed dryers under steady-state conditions are the focus of this thesis. The aim during model development and implementation is the broadest possible application range of the model. A custom-built vibrated ﬂuidized bed dryer is designed and constructed for comprehensive investigations of ﬂuidized bed hydrodynamics and drying kinetics. Based on experimental investigations, a semi-empirical model for hydrodynamics of ﬁne and cohesive powders is developed. The new model is combined with established models to allow for the ﬂowsheet simulation of ﬂuidized bed dryers for particles of all Geldart groups. Additionally, the inﬂuence of vibration is accounted for. Comprehensive validation experiments are performed for particles of different Geldart groups, different dryer geometries and a variety of process parameters, including mechanical vibration. Comparison of model predictions with experimental data attributes high accuracy of predicted particle and gas properties. Furthermore, sensitivity analyses are conducted to identify potential weaknesses in underlying model assumptions. Hereby, the validity of underlying assumptions is conﬁrmed and potential optimization parameters for different applications are identiﬁed. The proposed model is unprecedented in terms of range of process parameters, variety of particle properties and dryer geometries, tested and found valid for.

The Canadian Journal of Chemical Engineering

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Author :
Publisher :
ISBN 13 :
Total Pages : 540 pages
Book Rating : 4.3/5 (21 download)

Book Synopsis The Canadian Journal of Chemical Engineering by :

Download or read book The Canadian Journal of Chemical Engineering written by and published by . This book was released on 2008-08 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fluidization Engineering

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Author : D. Kunii
Publisher : Elsevier
ISBN 13 : 008050664X
Total Pages : 520 pages
Book Rating : 4.0/5 (85 download)

Book Synopsis Fluidization Engineering by : D. Kunii

Download or read book Fluidization Engineering written by D. Kunii and published by Elsevier. This book was released on 2013-10-22 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fluidization Engineering, Second Edition, expands on its original scope to encompass these new areas and introduces reactor models specifically for these contacting regimes. Completely revised and updated, it is essentially a new book. Its aim is to distill from the thousands of studies those particular developments that are pertinent for the engineer concerned with predictive methods, for the designer, and for the user and potential user of fluidized beds. - Covers the recent advances in the field of fluidization. - Presents the studies of developments necessary to the engineers, designers, and users of fluidized beds.

Thermodynamic Approaches in Engineering Systems

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Author : Stanislaw Sieniutycz
Publisher : Elsevier
ISBN 13 : 0128093390
Total Pages : 740 pages
Book Rating : 4.1/5 (28 download)

Book Synopsis Thermodynamic Approaches in Engineering Systems by : Stanislaw Sieniutycz

Download or read book Thermodynamic Approaches in Engineering Systems written by Stanislaw Sieniutycz and published by Elsevier. This book was released on 2016-05-20 with total page 740 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermodynamic Approaches in Engineering Systems responds to the need for a synthesizing volume that throws light upon the extensive field of thermodynamics from a chemical engineering perspective that applies basic ideas and key results from the field to chemical engineering problems. This book outlines and interprets the most valuable achievements in applied non-equilibrium thermodynamics obtained within the recent fifty years. It synthesizes nontrivial achievements of thermodynamics in important branches of chemical and biochemical engineering. Readers will gain an update on what has been achieved, what new research problems could be stated, and what kind of further studies should be developed within specialized research. - Presents clearly structured chapters beginning with an introduction, elaboration of the process, and results summarized in a conclusion - Written by a first-class expert in the field of advanced methods in thermodynamics - Provides a synthesis of recent thermodynamic developments in practical systems - Presents very elaborate literature discussions from the past fifty years

Drying of Solids

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Author : Arun S. Mujumdar
Publisher :
ISBN 13 :
Total Pages : 544 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Drying of Solids by : Arun S. Mujumdar

Download or read book Drying of Solids written by Arun S. Mujumdar and published by . This book was released on 1986-10-02 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: International contributors give wide coverage of the latest developments in the theory and practice of the drying of solids. Drying is one of the most common and energy-intensive operations in industry, and the cost is determined by the desired level of product moisture and the unit operation of nonthermal dewatering--hence the commissioned article on a new dewatering technique. Articles are balanced between theory and applications and practicing engineers should find a wealth of useful information. Topics covered include drying theory and modelling, drying of granular solids, drying of sheets, drying of foodstuffs, drying of agricultural products, solar drying, and drying of slurries.

Fluid Bed Technology in Materials Processing

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Author : C. K. Gupta
Publisher : CRC Press
ISBN 13 : 9781420049862
Total Pages : 526 pages
Book Rating : 4.0/5 (498 download)

Book Synopsis Fluid Bed Technology in Materials Processing by : C. K. Gupta

Download or read book Fluid Bed Technology in Materials Processing written by C. K. Gupta and published by CRC Press. This book was released on 1998-12-28 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fluid Bed Technology in Materials Processing comprehensively covers the various aspects of fluidization engineering and presents an elaborate examination of the applications in a multitude of materials processing techniques. This singular resource discusses: All the basic aspects of fluidization essential to understand and learn about various techniques The range of industrial applications Several examples in extraction and process metallurgy Fluidization in nuclear engineering and nuclear fuel cycle with numerous examples Innovative techniques and several advanced concepts of fluidization engineering, including use and applications in materials processing as well as environmental and bio-engineering Pros and cons of various fluidization equipment and specialty of their applications, including several examples Design aspects and modeling Topics related to distributors effects and flow regimes A separate chapter outlines the importance of fluidization engineering in high temperature processing, including an analysis of the fundamental concepts and applications of high temperature fluidized bed furnaces for several advanced materials processing techniques. Presenting information usually not available in a single source, Fluid Bed Technology in Materials Processing serves Fluidization engineers Practicing engineers in process metallurgy, mineral engineering, and chemical metallurgy Researchers in the field of chemical, metallurgical, nuclear, biological, environmental engineering Energy engineering professionals High temperature scientists and engineers Students and professionals who adopt modeling of fluidization in their venture for design and scale up

Handbook of Industrial Drying

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Author : Arun S. Mujumdar
Publisher : CRC Press
ISBN 13 : 1420017616
Total Pages : 1310 pages
Book Rating : 4.4/5 (2 download)

Book Synopsis Handbook of Industrial Drying by : Arun S. Mujumdar

Download or read book Handbook of Industrial Drying written by Arun S. Mujumdar and published by CRC Press. This book was released on 2006-11-08 with total page 1310 pages. Available in PDF, EPUB and Kindle. Book excerpt: Still the Most Complete, Up-To-Date, and Reliable Reference in the FieldDrying is a highly energy-intensive operation and is encountered in nearly all industrial sectors. With rising energy costs and consumer demands for higher quality dried products, it is increasingly important to be aware of the latest developments in industrial drying technolog

Combustion and Gasification in Fluidized Beds

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Author : Prabir Basu
Publisher : CRC Press
ISBN 13 : 1420005154
Total Pages : 492 pages
Book Rating : 4.4/5 (2 download)

Book Synopsis Combustion and Gasification in Fluidized Beds by : Prabir Basu

Download or read book Combustion and Gasification in Fluidized Beds written by Prabir Basu and published by CRC Press. This book was released on 2006-02-17 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: Besides being one of the best Clean Coal Technologies, fluidized beds are also proving to be the most practical option for biomass conversion. Although the technology is well established, the field lacks a comprehensive guide to the design and operating principles of fluidized bed boilers and gasifiers. With more than 30 years of research and indus

Process Modelling and Simulation

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Author : César de Prada
Publisher : MDPI
ISBN 13 : 3039214551
Total Pages : 298 pages
Book Rating : 4.0/5 (392 download)

Book Synopsis Process Modelling and Simulation by : César de Prada

Download or read book Process Modelling and Simulation written by César de Prada and published by MDPI. This book was released on 2019-09-23 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since process models are nowadays ubiquitous in many applications, the challenges and alternatives related to their development, validation, and efficient use have become more apparent. In addition, the massive amounts of both offline and online data available today open the door for new applications and solutions. However, transforming data into useful models and information in the context of the process industry or of bio-systems requires specific approaches and considerations such as new modelling methodologies incorporating the complex, stochastic, hybrid and distributed nature of many processes in particular. The same can be said about the tools and software environments used to describe, code, and solve such models for their further exploitation. Going well beyond mere simulation tools, these advanced tools offer a software suite built around the models, facilitating tasks such as experiment design, parameter estimation, model initialization, validation, analysis, size reduction, discretization, optimization, distributed computation, co-simulation, etc. This Special Issue collects novel developments in these topics in order to address the challenges brought by the use of models in their different facets, and to reflect state of the art developments in methods, tools and industrial applications.

Transport Properties of Foods

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Author : George D. Saravacos
Publisher : CRC Press
ISBN 13 : 9780824706135
Total Pages : 438 pages
Book Rating : 4.7/5 (61 download)

Book Synopsis Transport Properties of Foods by : George D. Saravacos

Download or read book Transport Properties of Foods written by George D. Saravacos and published by CRC Press. This book was released on 2001-06-04 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study covers all the transport properties of food materials and systems - exploring viscosity, moisture diffusivities, thermal conductivity and diffusivity, transport and permeability of small molecules, and heat and mass transfer coefficients. The authors provide physical, mathematical or empirical models of the transport processes for each application, as well as principal property values and measuring methods for various food products and systems.

Grain Drying

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Author : Stanislaw Pabis
Publisher : John Wiley & Sons
ISBN 13 : 9780471573876
Total Pages : 340 pages
Book Rating : 4.5/5 (738 download)

Book Synopsis Grain Drying by : Stanislaw Pabis

Download or read book Grain Drying written by Stanislaw Pabis and published by John Wiley & Sons. This book was released on 1998-03-09 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drying grain is necessary for proper storage, handling and processing; the methods used for drying grain have an important influence on quality and the overall economics of the process. This book provides all the tools needed for effective grain drying, inculding mathematical theory, tabulated data on the physical and thermal properties of grains, and more.

Drying of Porous Materials

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Author : Stefan Jan Kowalski
Publisher : Springer Science & Business Media
ISBN 13 : 1402054807
Total Pages : 235 pages
Book Rating : 4.4/5 (2 download)

Book Synopsis Drying of Porous Materials by : Stefan Jan Kowalski

Download or read book Drying of Porous Materials written by Stefan Jan Kowalski and published by Springer Science & Business Media. This book was released on 2007-04-30 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides recent advances in research on drying of particulate and porous materials. It is based on a selection of papers presented at the XI Polish Drying Symposium 2005. The contributions cover theoretical, as well as experimental and modeling research on heat and mass transfer processes during drying of porous material and fluidized beds. The book is a pioneering contribution to the science and technology of drying of particulate solids.

Grains

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Author : Fuji Jian
Publisher : CRC Press
ISBN 13 : 1000475255
Total Pages : 502 pages
Book Rating : 4.0/5 (4 download)

Book Synopsis Grains by : Fuji Jian

Download or read book Grains written by Fuji Jian and published by CRC Press. This book was released on 2021-12-23 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drying and storage are two significant unit operations in the food industry and are applied to both raw and processed products including cereal grains, oilseeds, legumes, flour, noodle, coffee, and cornstarch. The common characteristic of these materials is that all of them are hygroscopic and contain water. The hygroscopic properties are influenced by their physical properties, which are influenced by their storage environments such as bins, warehouses, bunkers, and temporary storage structures. This book focuses on the storage and drying of bulk products in these storage structures. On many occasions in our work with the grain storage and drying personnel especially our graduate students and industry contacts, we found a book explaining the fundamental principles of grain storage and drying is needed. Therefore, the primary objective of this book is to help readers understand the fundamental principles of grain storage and drying and develop a well-informed approach to solve grain storage and drying problems. Technologies for grain storage and drying are advanced through research; therefore, literature review and background on each topic has also been included. The book is generally intended for grain storage and drying students, engineers, and scientists. As reflected in the contents which are presented at several levels of depth, this book will serve well readers with different backgrounds and interests. An effort has been made to allow for independent reading of different sections, and to make a large part of this work accessible to a non-mathematical audience. The authors have combined their experience of teaching grain storage and drying to undergraduate and graduate students in the faculties of Agricultural and Food Sciences and Engineering. Material in the book is organized into broad topic areas: physical properties (Chapters 1 and 2), grain temperature and moisture (Chapters 2 and 6), water in biomaterials and relationship with its environment (Chapter 3), fundamental principles of aeration, drying, and rewetting (Chapter 4), and mathematical modelling of isotherm, drying, and re-wetting (Chapter 5). We hope our readers will benefit from the contents of the book for many decades.

Heat and Mass Transfer in Capillary-Porous Bodies

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Author : A. V. Luikov
Publisher : Elsevier
ISBN 13 : 1483225682
Total Pages : 541 pages
Book Rating : 4.4/5 (832 download)

Book Synopsis Heat and Mass Transfer in Capillary-Porous Bodies by : A. V. Luikov

Download or read book Heat and Mass Transfer in Capillary-Porous Bodies written by A. V. Luikov and published by Elsevier. This book was released on 2014-05-12 with total page 541 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heat and Mass Transfer in Capillary-Porous Bodies describes the modern theory of heat and mass transfer on the basis of the thermodynamics of irreversible processes. This book provides a systematic account of the phenomena of heat and mass transfer in capillary-porous bodies. Organized into 10 chapters, this book begins with an overview of the processes of the transfer of heat and mass of a substance. This text then examines the application of the theory to the investigation of heat and mass exchange in walls and in technological processes for the manufacture of building materials. Other chapters consider the thermal properties of building materials by using the methods of the thermodynamics of mass transfer. The final chapter deals with the method of finite differences, which is applicable to the solution of problems of non-steady heat conduction. This book is a valuable resource for scientists, post-graduate students, engineers, and students in higher educational establishments for architectural engineering.

Handbook of Fluidization and Fluid-Particle Systems

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Author : Wen-Ching Yang
Publisher : CRC Press
ISBN 13 : 0203912748
Total Pages : 876 pages
Book Rating : 4.2/5 (39 download)

Book Synopsis Handbook of Fluidization and Fluid-Particle Systems by : Wen-Ching Yang

Download or read book Handbook of Fluidization and Fluid-Particle Systems written by Wen-Ching Yang and published by CRC Press. This book was released on 2003-03-19 with total page 876 pages. Available in PDF, EPUB and Kindle. Book excerpt: This reference details particle characterization, dynamics, manufacturing, handling, and processing for the employment of multiphase reactors, as well as procedures in reactor scale-up and design for applications in the chemical, mineral, petroleum, power, cement and pharmaceuticals industries. The authors discuss flow through fixed beds, elutriation and entrainment, gas distributor and plenum design in fluidized beds, effect of internal tubes and baffles, general approaches to reactor design, applications for gasifiers and combustors, dilute phase pneumatic conveying, and applications for chemical production and processing. This is a valuable guide for chemists and engineers to use in their day-to-day work.

Solar Drying Technology

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Author : Om Prakash
Publisher : Springer
ISBN 13 : 9811038333
Total Pages : 640 pages
Book Rating : 4.8/5 (11 download)

Book Synopsis Solar Drying Technology by : Om Prakash

Download or read book Solar Drying Technology written by Om Prakash and published by Springer. This book was released on 2017-08-29 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a comprehensive reference guide to the latest developments and advances in solar drying technology, covering the concept, design, testing, modeling, and economics of solar drying technologies, as well as their impact on the environment. The respective chapters are based on the latest studies conducted by reputed international researchers in the fields of solar energy and solar drying. Offering a perfect blend of research and practice explained in a simple manner, the book represents a valuable resource for researchers, students, professionals, and policymakers working in the field of solar drying and related agricultural applications.

Bibliography of Agriculture with Subject Index

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Author :
Publisher :
ISBN 13 :
Total Pages : 602 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Bibliography of Agriculture with Subject Index by :

Download or read book Bibliography of Agriculture with Subject Index written by and published by . This book was released on 1997 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt: