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Co-rotating Twin-screw Extruders

Co-rotating Twin-screw Extruders
Fundamentals, Technology, and Applications

by Klemens Kohlgruber,Klemens Kohlgrüber

  • Publisher : Hanser Gardner Publications
  • Release : 2008
  • Pages : 354
  • ISBN : 9781569904220
  • Language : En, Es, Fr & De
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&Quot;This book provides basic engineering knowledge regarding twin-screw extruders. It covers the most important technical requirements and provides examples based on actual practice. Better understanding of the process is emphasized as this is a prerequisite for optimizing twin-screw designs and operating them efficiently."--BOOK JACKET.

Co-Rotating Twin-Screw Extruders: Fundamentals

Co-Rotating Twin-Screw Extruders: Fundamentals
A Book

by Klemens Kohlgrüber

  • Publisher : Unknown Publisher
  • Release : 2019-11-12
  • Pages : 432
  • ISBN : 9781569907474
  • Language : En, Es, Fr & De
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Compounding in Co-Rotating Twin-Screw Extruders

Compounding in Co-Rotating Twin-Screw Extruders
A Book

by Yeh Wang

  • Publisher : iSmithers Rapra Publishing
  • Release : 2000
  • Pages : 136
  • ISBN : 9781859571965
  • Language : En, Es, Fr & De
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This report describes the geometric structure of modular extruders, development of the various units of an extruder and their functions, the flow mechanisms and models of their behaviour and experimental studies of extruder performance and applications. An additional indexed section containing several hundred abstracts from the Rapra Polymer Library database gives useful references for further reading.

Co-Rotating Twin-Screw Extruders: Applications

Co-Rotating Twin-Screw Extruders: Applications
A Book

by Klemens Kohlgrüber

  • Publisher : Carl Hanser Verlag GmbH Co KG
  • Release : 2020-11-09
  • Pages : 364
  • ISBN : 156990782X
  • Language : En, Es, Fr & De
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Co-rotating twin-screw extruders are extensively used for the preparation, compounding, mixing, and processing of plastics, but also in other industry branches, such as in rubber and food processing, and increasingly in the pharmaceutical industry too. Derived from the classic bestselling work "Co-Rotating Twin Screw Extruders", this book focuses on the application and machine technology of co-rotating twin-screw extrusion. It includes functional zones in the extruder, scale-up and scale-down, machine technology, and many application examples from a broad range of areas. Co-rotating twin-screw machines usually have modular configurations and are thus quite flexible for adapting to changing tasks and material properties. Well-founded knowledge of machines, processes, and material behavior is required in order to design and operate twin-screw extruders for economically successful operations. With chapters written by many expert authors from industry and academia, this book provides valuable information on applications from a practical perspective, suitable for both beginners and experienced professional engineers.

Co-Rotating Twin-Screw Extruder

Co-Rotating Twin-Screw Extruder
A Book

by Klemens Kohlgrüber

  • Publisher : Carl Hanser Verlag GmbH Co KG
  • Release : 2012-11-12
  • Pages : 368
  • ISBN : 3446433414
  • Language : En, Es, Fr & De
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Co-rotating screws and/or extruders are used in many branches of industry for producing, preparing and/or processing highly viscous materials. They find a wide variety of applications especially in the plastics, rubber and food industries. Co-rotating twin-screw machines usually have modular configurations and are thus quite flexible for adapting to changing tasks and material properties. Well-founded knowledge of machines, processes and material behavior are required in order to design twin-screw extruder for economically successful operations. This book provides basic engineering knowledge regarding twin-screw machines; it lists the most important machine-technical requirements and provides examples based on actual practice. Better understanding of the processes is emphasized as this is a prerequisite for optimizing twin-screw designs and operating them efficiently. Besides basic functions, such as compounding, the book focuses on: - the historical development of twin-screws - the geometry of the screw elements (fundamentals, basic patents, patents overview) - material properties and material behavior in the machine - fundamentals of feed behavior, pressure build-up and power input - examples of applications for various processing tasks - compounding: tasks, applications, processing zones - potential and limits of modeling - scaling-up various processes - machine design incl. drives and materials

Co-Rotating Twin-Screw Extruders – Two Volume Set

Co-Rotating Twin-Screw Extruders – Two Volume Set
A Book

by Klemens Kohlgrüber

  • Publisher : Carl Hanser Verlag GmbH Co KG
  • Release : 2020-12-07
  • Pages : 796
  • ISBN : 1569908788
  • Language : En, Es, Fr & De
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Co-rotating twin-screw extruders are extensively used for the preparation, compounding, mixing, and processing of plastics, but also in other industry branches, such as in rubber and food processing, and increasingly in the pharmaceutical industry too. Derived from the classic, bestselling work "Co-Rotating Twin Screw Extruders", this book brings much of the content up to date, with an expanded focus on the fundamentals of co-rotating twin-screw extrusion, including functional zones in the extruder, screw elements, material behavior, flow properties, performance behavior, and application of computational fluid dynamics. Co-rotating twin-screw machines usually have modular configurations and are thus quite flexible for adapting to changing tasks and material properties. Well-founded knowledge of machines, processes, and material behavior is required in order to design and operate twin-screw extruders for economically successful operations. With chapters written by many expert authors from industry and academia, this book provides valuable information on applications from a practical perspective, suitable for both beginners and experienced professional engineers. Also derived from the classic bestselling work "Co-Rotating Twin Screw Extruders", the second book focuses on the application and machine technology of co-rotating twin-screw extrusion. It includes functional zones in the extruder, scale-up and scale-down, machine technology, and many application examples from a broad range of areas.

The Technology of Extrusion Cooking

The Technology of Extrusion Cooking
A Book

by N.D. Frame

  • Publisher : Springer Science & Business Media
  • Release : 2012-12-06
  • Pages : 253
  • ISBN : 1461521351
  • Language : En, Es, Fr & De
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Extrusion cooking is a specialist area of food technology because of the complexity of the interactive effects which are inherent in the system. General predictive modelling is very difficult because ingredients are diverse and can vary considerably. Modelling tends to be product specifi- new product development tends to be by experimental designs and good fortune. The emphasis of this book is on the latest and potential applications of twin screw extrusion in food production, specifically co-rotating inter meshing screw extruders. Of course, in order to develop products and maximise the extruder potential in terms of energy, product quality and output, an overall understanding of the material flow mechanism, barrel fill length and rheology is essential. The book aims to give explanations and general guidance with examples of screw design, configuration and operat ing parameters for a variety of product categories. It is also intended to help production operators diagnose the symptoms of particular problems such as temperature control, quality variation, raw material inconsistency, etc. For the product development technologist there is more than one way to make a similar product. For example, equipment manufacturers recom mend difficult methods for producing flaked corn. In addition, their machines may differ from each other in terms of screw design, power/ volume ratio, screw tip/barrel clearance, etc. , making scale-up more prob lematic.

Applications of Multi-objective Evolutionary Algorithms

Applications of Multi-objective Evolutionary Algorithms
A Book

by Carlos A. Coello Coello,Gary B. Lamont

  • Publisher : World Scientific
  • Release : 2004
  • Pages : 761
  • ISBN : 9812561064
  • Language : En, Es, Fr & De
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- Detailed MOEA applications discussed by international experts - State-of-the-art practical insights in tackling statistical optimization with MOEAs - A unique monograph covering a wide spectrum of real-world applications - Step-by-step discussion of MOEA applications in a variety of domains

Biocomposites for High-Performance Applications

Biocomposites for High-Performance Applications
Current Barriers and Future Needs Towards Industrial Development

by Dipa Ray

  • Publisher : Woodhead Publishing
  • Release : 2017-05-15
  • Pages : 336
  • ISBN : 0081007949
  • Language : En, Es, Fr & De
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Biocomposites for High-Performance Applications: Current Barriers and Future Needs Towards Industrial Development focuses on future research directions that will make biocomposites a successful player in the field of high-strength structural applications. With contributions from eminent academic researchers and industrial experts who have first-hand experience on the advantages/disadvantages of biocomposites in their daily lives, the book examines the industrial development of biocomposite products, identifying the current barriers and their future industrial needs Topics covered include: recent research activities from academia in the biocomposite research field, valuable thoughts and insights from biocomposite manufacturing industries, the strength and weaknesses of biocomposite products, and the practical issues that need to be addressed to reach the next level. Highlights the practical issues involved in biocomposites research Contains contributions from eminent academic researchers and industrial experts Discusses recent research activities from academia in the biocomposite research field, along with valuable thoughts and insights from biocomposite manufacturing industries

Extrusion

Extrusion
The Definitive Processing Guide and Handbook

by Harold F. Giles Jr,John R. Wagner, Jr.,Eldridge M. Mount

  • Publisher : William Andrew
  • Release : 2013-09-21
  • Pages : 636
  • ISBN : 1437734820
  • Language : En, Es, Fr & De
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The second edition of Extrusion is designed to aid operators, engineers, and managers in extrusion processing in quickly answering practical day-to-day questions. The first part of the book provides the fundamental principles, for operators and engineers, of polymeric materials extrusion processing in single and twin screw extruders. The next section covers advanced topics including troubleshooting, auxiliary equipment, and coextrusion for operators, engineers, and managers. The final part provides applications case studies in key areas for engineers such as compounding, blown film, extrusion blow molding, coating, foam, and reprocessing. This practical guide to extrusion brings together both equipment and materials processing aspects. It covers basic and advanced topics, for reference and training, in thermoplastics processing in the extruder. Detailed reference data are provided on such important operating conditions as temperatures, start-up procedures, shear rates, pressure drops, and safety. A practical guide to the selection, design and optimization of extrusion processes and equipment Designed to improve production efficiency and product quality Focuses on practical fault analysis and troubleshooting techniques

Cyber-Physical Systems: Design and Application for Industry 4.0

Cyber-Physical Systems: Design and Application for Industry 4.0
A Book

by Alla G. Kravets

  • Publisher : Springer Nature
  • Release : 2021
  • Pages : 329
  • ISBN : 3030660818
  • Language : En, Es, Fr & De
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Encyclopedia of Chemical Processing (Online)

Encyclopedia of Chemical Processing (Online)
A Book

by Sunggyu Lee

  • Publisher : CRC Press
  • Release : 2005-11-01
  • Pages : 3640
  • ISBN : 1351237683
  • Language : En, Es, Fr & De
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This second edition Encyclopedia supplies nearly 350 gold standard articles on the methods, practices, products, and standards influencing the chemical industries. It offers expertly written articles on technologies at the forefront of the field to maximize and enhance the research and production phases of current and emerging chemical manufacturing practices and techniques. This collecting of information is of vital interest to chemical, polymer, electrical, mechanical, and civil engineers, as well as chemists and chemical researchers. A complete reconceptualization of the classic reference series the Encyclopedia of Chemical Processing and Design, whose first volume published in 1976, this resource offers extensive A-Z treatment of the subject in five simultaneously published volumes, with comprehensive indexing of all five volumes in the back matter of each tome. It includes material on the design of key unit operations involved with chemical processes; the design, unit operation, and integration of reactors and separation systems; process system peripherals such as pumps, valves, and controllers; analytical techniques and equipment; and pilot plant design and scale-up criteria. This reference contains well-researched sections on automation, equipment, design and simulation, reliability and maintenance, separations technologies, and energy and environmental issues. Authoritative contributions cover chemical processing equipment, engineered systems, and laboratory apparatus currently utilized in the field. It also presents expert overviews on key engineering science topics in property predictions, measurements and analysis, novel materials and devices, and emerging chemical fields. ALSO AVAILABLE ONLINE This Taylor & Francis encyclopedia is also available through online subscription, offering a variety of extra benefits for both researchers, students, and librarians, including: Citation tracking and alerts Active reference linking Saved searches and marked lists HTML and PDF format options Contact Taylor and Francis for more information or to inquire about subscription options and print/online combination packages. US: (Tel) 1.888.318.2367; (E-mail) e-reference@taylorandfrancis.com International: (Tel) +44 (0) 20 7017 6062; (E-mail) online.sales@tandf.co.uk

Energetic Materials

Energetic Materials
Advanced Processing Technologies for Next-Generation Materials

by Mark J. Mezger,Kay J. Tindle,Michelle Pantoya,Lori J. Groven,Dilhan Kalyon

  • Publisher : CRC Press
  • Release : 2017-07-06
  • Pages : 290
  • ISBN : 1351681265
  • Language : En, Es, Fr & De
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This book will take an in-depth look at the technologies, processes, and capabilities to develop and produce "next generation" energetic materials for both commercial and defense applications, including military, mining operations, oil production and well perforation, and construction demolition. It will serve to highlight the critical technologies, latest developments, and the current capability gaps that serve as barriers to military fielding or transition to the commercial marketplace. It will also explain how the processing technologies can be spun out for use in other non-energetics related industries.

Extrusion Problems Solved

Extrusion Problems Solved
Food, Pet Food and Feed

by M N Riaz,G J Rokey

  • Publisher : Elsevier
  • Release : 2011-11-09
  • Pages : 184
  • ISBN : 085709520X
  • Language : En, Es, Fr & De
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Extrusion is widely used for the preparation of a variety of foodstuffs including breakfast cereals, snack food and pasta, as well as pet food and animal and aquaculture feed. Extrusion problems solved provides responses to more than 300 frequently asked questions about the process of food extrusion and the techniques and equipment involved, in a practical question-and-answer format. The book is divided into twelve chapters for ease of reference: the opening chapters concentrate on introductory queries and on different components of an extruder system, followed by two chapters that help the reader select the correct type of extruder for a product. Chapters five and six discuss the impact of factors such as protein content and particle size on the extrusion process, while the use of pre-conditioners is discussed in chapter seven. The latter part of the book discusses specific types of extruder and die and knife assemblies, followed by a chapter on issues relating to drying extruded food products. The final chapter offers practical guidelines and rules of thumb for the most common issues relating to food and feed extrusion. Written by two leading experts in the field, Extrusion problems solved is an essential reference source and troubleshooting guide for professionals working in food, pet food and feed extrusion. It will also be a valuable training resource for students of extrusion. Offers practical guidelines and rules of thumb for the most common food and feed extrusion problems Chapters concentrate on introductory queries, types of extruder and components of extruder systems, knife assemblies, the use of pre-conditioners and issues in drying extruded food products Provides responses to more than 300 frequently asked questions about the processes, equipment and techniques of food extrusion in a practical question-and-answer format

Applied Plastics Engineering Handbook

Applied Plastics Engineering Handbook
Processing and Materials

by Myer Kutz

  • Publisher : William Andrew
  • Release : 2011-08-09
  • Pages : 574
  • ISBN : 1437735142
  • Language : En, Es, Fr & De
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A practical reference for all plastics engineers who are seeking to answer a question, solve a problem, reduce a cost, improve a design or fabrication process, or even venture into a new market. Applied Plastics Engineering Handbook covers both polymer basics - helpful to bring readers quickly up to speed if they are not familiar with a particular area of plastics processing - and recent developments - enabling practitioners to discover which options best fit their requirements. Each chapter is an authoritative source of practical advice for engineers, providing authoritative guidance from experts that will lead to cost savings and process improvements. Throughout the book, the focus is on the engineering aspects of producing and using plastics. The properties of plastics are explained along with techniques for testing, measuring, enhancing and analyzing them. Practical introductions to both core topics and new developments make this work equally valuable for newly qualified plastics engineers seeking the practical rules-of-thumb they don't teach you in school, and experienced practitioners evaluating new technologies or getting up to speed on a new field The depth and detail of the coverage of new developments enables engineers and managers to gain knowledge of, and evaluate, new technologies and materials in key growth areas such as biomaterials and nanotechnology This highly practical handbook is set apart from other references in the field, being written by engineers for an audience of engineers and providing a wealth of real-world examples, best practice guidance and rules-of-thumb

Reactive Polymers: Fundamentals and Applications

Reactive Polymers: Fundamentals and Applications
A Concise Guide to Industrial Polymers

by Johannes Karl Fink

  • Publisher : William Andrew
  • Release : 2017-10-31
  • Pages : 712
  • ISBN : 0128145102
  • Language : En, Es, Fr & De
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Reactive Polymers: Fundamentals and Applications: A Concise Guide to Industrial Polymers, Third Edition introduces engineers and scientists to a range of reactive polymers and then details their applications and performance benefits. Basic principles and industrial processes are described for each class of reactive resin (thermoset), as well as additives, the curing process, applications and uses. The initial chapters are devoted to individual resin types (e.g., epoxides, cyanacrylates), followed by more general chapters on topics such as reactive extrusion and dental applications. Injection molding of reactive polymers, radiation curing, thermosetting elastomers, and reactive extrusion equipment are covered as well. The use of reactive polymers enables manufacturers to make chemical changes at a late stage in the production process, which, in turn, cause changes in performance and properties. Material selection and control of the reaction are essential to achieve optimal performance. Material new to this edition includes the most recent developments, applications and commercial products for each chemical class of thermosets, as well as sections on fabrication methods, reactive biopolymers, recycling of reactive polymers and case studies. Covers the basics and most recent developments, including reactive biopolymers, recycling of reactive polymers, nanocomposites and fluorosilicones Offers an indispensable guide for engineers and advanced students alike Provides extensive literature and patent review Reflects a thorough review of all literature published in this area since 2014 Features revised and updated chapters to reflect the latest research in reactive polymers

Handbook Of Green Materials: Processing Technologies, Properties And Applications (In 4 Volumes)

Handbook Of Green Materials: Processing Technologies, Properties And Applications (In 4 Volumes)
A Book

by Oksman Kristiina,Mathew Aji P,Bismarck Alexander

  • Publisher : World Scientific
  • Release : 2014-04-11
  • Pages : 1124
  • ISBN : 9814566470
  • Language : En, Es, Fr & De
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Green materials and green nanotechnology have gained widespread interest over the last 15 years; first in academia, then in related industries in the last few years.The Handbook of Green Materials serves as reference literature for undergraduates and graduates studying materials science and engineering, composite materials, chemical engineering, bioengineering and materials physics; and for researchers, professional engineers and consultants from polymer or forest industries who encounter biobased nanomaterials, bionanocomposites, self- and direct-assembled nanostructures and green composite materials in their lines of work.This four-volume set contains material ranging from basic, background information on the fields discussed, to reports on the latest research and industrial activities, and finally the works by contributing authors who are prominent experts of the subjects they address in this set.The four volumes comprise of:The first volume explains the structure of cellulose; different sources of raw material; the isolation/separation processes of nanomaterials from different material sources; and properties and characteristics of cellulose nanofibers and nanocrystals (starch nanomaterials). Information on the different characterization methods and the most important properties of biobased nanomaterials are also covered. The industrial point of view regarding both the processability and access of these nanomaterials, as well as large scale manufacturing and their industrial application is discussed — particularly in relation to the case of the paper industry.The second volume expounds on different bionanocomposites based on cellulose nanofibers or nanocrystals and their preparation/manufacturing processes. It also provides information on different characterization methods and the most important properties of bionanocomposites, as well as techniques of modeling the mechanical properties of nanocomposites. This volume presents the industrial point of view regarding large scale manufacturing and their applications from the perspective of their medical uses in printed electronics and in adhesives.The third volume deals with the ability of bionanomaterials to self-assemble in either liquids or forming organized solid materials. The chemistry of cellulose nanomaterials and chemical modifications as well as different assembling techniques and used characterization methods, and the most important properties which can be achieved by self-assembly, are described. The chapters, for example, discuss subjects such as ultra-light biobased aerogels based on cellulose and chitin, thin films suitable as barrier layers, self-sensing nanomaterials, and membranes for water purification.The fourth volume reviews green composite materials — including green raw materials — such as biobased carbon fibers, regenerated cellulose fibers and thermoplastic and thermoset polymers (e.g. PLA, bio-based polyolefines, polysaccharide polymers, natural rubber, bio-based polyurethane, lignin polymer, and furfurylalchohol). The most important composite processing technologies are described, including: prepregs of green composites, compounding, liquid composite molding, foaming, and compression molding. Industrial applications, especially for green transportation and the electronics industry, are also described.This four-volume set is a must-have for anyone keen to acquire knowledge on novel bionanomaterials — including structure-property correlations, isolation and purification processes of nanofibers and nanocrystals, their important characteristics, processing technologies, industrial up-scaling and suitable industry applications. The handbook is a useful reference not only for teaching activities but also for researchers who are working in this field.

Extruders in Food Applications

Extruders in Food Applications
A Book

by Mian N. Riaz

  • Publisher : CRC Press
  • Release : 2000-02-01
  • Pages : 240
  • ISBN : 9781566767798
  • Language : En, Es, Fr & De
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The result of years of experience by experts in extrusion technology, Extruders in Food Applications brings together practical experience and in-depth knowledge of extrusion cooking technology. This concise reference summarizes basic considerations for the application of extrusion technology to food industry processes and focuses on the various types of extruders available for a growing number of food applications. Chapters compare and describe the different types of extruders and their functions, including characteristics, advantages and disadvantages, and applications, providing a wealth of information about dry extruders, interrupted flight extruder-expanders, and single screw and twin screw extruders. The effects of preconditioning on the raw material and of extrusion on the nutrients of products are covered as well. This book is a valuable source for the technical and practical application of extrusion and will be useful for the selection of the proper equipment for this technology.

A Novel Laboratory Dispersive and Distributive Minimixer and Applications. Development of a New Minimixer that Can Duplicate Mixing which Occurs in a Large Twin Screw Extruder

A Novel Laboratory Dispersive and Distributive Minimixer and Applications. Development of a New Minimixer that Can Duplicate Mixing which Occurs in a Large Twin Screw Extruder
A Book

by Craig Butterfield

  • Publisher : Unknown Publisher
  • Release : 2011
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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The mixing of additives into a plastic is an extremely important step in the plastics industry, necessary for the manufacture of almost every conceivable product. Therefore the costs in developing new products can prove very expensive as the testing is usually carried out using full scale machines, usually using twin screw extruders because they are able to provide good dispersive and distributive mixing. This is particularly important when compounding difficult to disperse additives and nano-additives. What is required is a machine that can replicate the mixing abilities of a twin-screw extruder but on a laboratory scale. There have been attempts by industry to develop smaller machines, such as the Thermo Scientific HAAKE Minilab II Micro Compounder which processes on the scale of 7 cm3 of material volume. This can be too small for some needs and therefore a machine is required to produce material on the 10g to 100g scale. To this end a laboratory mixer of novel design was devised and its mixing performance was assessed using conductive carbon black and compared against the Thermo Scientific HAAKE Minilab II Micro Compounder, a 19 mm co-rotating twin-screw extruder and a 40 mm co-rotating twin-screw extruder. Carbon black was used because mixing performance can be assessed by measuringthe minimum carbon loading necessary to induce electrical conductivity. It was found that the minimixer was able to induce electrical conductivity at loading of 5.75% but the comparison with the other machines proved difficult as the achievement of the threshold at which semi-conductivity occurred appeared independent of shear rate and mixing duration.

Soft Computing in Industrial Applications

Soft Computing in Industrial Applications
Algorithms, Integration, and Success Stories

by X.Z. Gao,António Gaspar-Cunha,Mario Köppen,Jun Wang,Gerald Schaefer

  • Publisher : Springer Science & Business Media
  • Release : 2010-09-07
  • Pages : 300
  • ISBN : 364211282X
  • Language : En, Es, Fr & De
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The 14th onlineWorld Conference on Soft Computing in Industrial Applications provides a unique opportunity for soft computing researchers and practitioners to publish high quality papers and discuss research issues in detail without incurring a huge cost. The conference has established itself as a truly global event on the Internet. The quality of the conference has improved over the years. The WSC14 conference has covered new trends in soft computing to state of the art applications. The conference has also added new features such as community tools, syndication, and multimedia online presentations.