Rheology

principles, measurements, and applications

Author: Christopher W. Macosko

Publisher: Wiley-VCH

ISBN: N.A

Category: Science

Page: 550

View: 3876

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Rheology

Principles, Measurements, and Applications

Author: Christopher W. Macosko

Publisher: Wiley-VCH

ISBN: 9780471185758

Category: Technology & Engineering

Page: 568

View: 6654

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If you use rheological measurements to characterize new materials, analyze non-Newtonian flow problems, or design plastic parts, or if you would like to use rheology to overcome a particular problem, this pragmatic volume will prove invaluable to your research. Rheology: Principles, Measurements, and Applications presents an extremly practical, timely, and accessible three-dimensional account of this subject. It has been specifically designed to enable researchers to understand and apply information from the latest rheological literature to their own applications. Divided into three sections, the book covers the essential criteria for selecting the best test types for various applications, for accurately interpreting results, and for determining other areas where rheology and rheological phenomena may be useful in your work. This book will be of greatest interest to polymer scientists and mechanical engineers, as well as students in these and related fields.

Rheology of Dispersions

Principles and Applications

Author: Tharwat F. Tadros

Publisher: John Wiley & Sons

ISBN: 3527632395

Category: Science

Page: 232

View: 3485

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A dispersion is a system of unmixable phases in which one phase is continuous and at least one is finely distributed. Examples are found in many industrial applications, including emulsions, suspensions, foams, and geld. The control of their flow characteristics - rheology - is essential in their preparation, long-term physical stability and application. Filling the need for a practical, up-to-date book connecting the stability/instability of the dispersion to its rheological behavior, this title aids in understanding the principles of rheology and the techniques that can be applied. From the contents: * General Introduction * Interparticle Interactions and Their Combination * Principles of Viscoelastic Behavior * Rheology of Suspensions * Rheology of Emulsions * Rheology of Modifiers, Thickeners, and Gels * Use of Rheological Measurements for Assessment and Prediction of the Long-Term Physical Stability of Formulations (Creaming and Sedimentation)

Rheology of Fluid, Semisolid, and Solid Foods

Principles and Applications

Author: Anandha Rao

Publisher: Springer Science & Business Media

ISBN: 1461492300

Category: Technology & Engineering

Page: 461

View: 3945

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This revised third edition of Rheology of Fluid, Semisolid, and Solid Foods includes the following important additions: · A section on microstructure · Discussion of the quantitative characterization of nanometer-scale milk protein fibrils in terms of persistence and contour length. · A phase diagram of a colloidal glass of hard spheres and its relationship to milk protein dispersions · Microrheology, including detailed descriptions of single particle and multi-particle microrheological measurements · Diffusive Wave Spectroscopy · Correlation of Bostwick consistometer data with property-based dimensionless groups · A section on the effect of calcium on the morphology and functionality of whey protein nanometer-scale fibrils · Discussion of how tribology and rheology can be used for the sensory perception of foods

Advances in Food Rheology and Its Applications

Author: Jasim Ahmed,Pawel Ptaszek,Santanu Basu

Publisher: Woodhead Publishing

ISBN: 008100432X

Category: Technology & Engineering

Page: 528

View: 8108

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Advances in Food Rheology and Its Applications presents the latest advances in the measurement and application of food rheology, one of the most important tools for food companies when characterizing ingredients and final products, and a predictor of product performance and consumer acceptance. Split into two main focuses, the book gives in-depth analysis of the general advances in the field, with coverage of the relationship between food microstructure and rheology, the use of tribology in the study of oral processing, the use of large amplitude oscillatory shear (LAOS) measurement and Fourier-transform rheology in food, and the influence of fibers and particle size distribution on food rheology, as well as many other advances. Written by a leading international team of authors, the book provides an in-depth and state-of-the-art coverage of this essential topic on the consumer acceptance of food. Brings together top researchers in the field of rheology, providing in-depth and state-of-the-art coverage on an area of study essential for managing the quality of foods and gaining consumer acceptance Presents in-depth coverage of advances in rheology, many of which have never been featured before, including tribology, large amplitude oscillatory shear measurement, and the influence of fibers and particle size distribution on food rheology Contains information that is highly relevant to the industrialist who wants to improve the rheological properties of the foods with which they are working

Rheology

Concepts, Methods & Applications

Author: Aleksandr I͡Akovlevich Malkin,Alexander Ya Malkin,Avraam I. Isayev

Publisher: ChemTec Publishing

ISBN: 189519833X

Category: Technology & Engineering

Page: 474

View: 6819

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There are few comprehensive books on the market on the subject of rheology – the complex science dealing with flow and deformation of matter – and these are several years old. At last there is now a book that explains the meaning of a science that many scientists need to use but only a few can fully grasp. It does so by striking the balance between oversimplification and overload of theory in a very compelling and readable manner. The author's systematic presentation enables the authors to include all components of rheology in one volume. The first four chapters of this book discuss various aspects of theoretical rheology and, by examples of many studies, show how particular theory, model, or equation can be used in solving different problems. The main emphasis is on liquids, but solid materials are discussed in one full chapter as well. Methods of measurement and raw data treatment are included in one large chapter which constitutes more than one quarter of the book. Eight groups of methods are discussed giving many choices for experimentation and guidance on where and how to use them properly. The final chapter shows how to use rheological methods in different groups of products and methods of their manufacture. Usefulness of chemorheological (rheokinetical) measurements is also emphasized. This chapter continues with examples of purposeful applications in practical matters.

Introduction to Polymer Rheology

Author: Montgomery T. Shaw

Publisher: John Wiley & Sons

ISBN: 0470388447

Category: Science

Page: 395

View: 6522

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"Providing new students and practitioners with an easy-to-understand introduction to the theory and practice an often complicated subject, Introduction to Polymer Rheology incorporates worked problems and problems with appended answers to provide opportunities for review and further learning of more advanced concepts. By limiting the use of mathematics within an approachable format, this introductory overview ensures practicing scientists and engineers understand the concepts underlying the flow behavior of polymer melts, solutions, and suspensions, and are able to interpret experimental data correctly and provide additional insight on a process"--

The Structure and Rheology of Complex Fluids

Author: Ronald G. Larson

Publisher: Oxford University Press

ISBN: 9780195121971

Category: Mathematics

Page: 663

View: 5433

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The Structure and Rheology of Complex Fluids describes the microstructures of polymeric, colloidal, amphiphilic, and liquid crystalline liquids, and the relationship between microstructure and mechanical and flow properties. It provides illustrations, practical examples, and worked problems. This book can serve as both a textbook for a graduate course and a research monograph.

The Rheology Handbook

For Users of Rotational and Oscillatory Rheometers

Author: Thomas G. Mezger

Publisher: Vincentz Network GmbH & Co KG

ISBN: 9783878701743

Category: Deformations (Mechanics)

Page: 299

View: 1422

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Microrheology with Optical Tweezers

Principles and Applications

Author: Manlio Tassieri

Publisher: CRC Press

ISBN: 1315341220

Category: Science

Page: 328

View: 7317

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Thanks to the pioneering works of Ashkin and coworkers, optical tweezers (OTs) have become an invaluable tool for myriad studies throughout the natural sciences. Their success relies on the fact that they can be considered as exceptionally sensitive transducers that are able to resolve pN forces and nm displacements, with high temporal resolution, down to μs. Hence their application to study a wide range of biological phenomena such as measuring the compliance of bacterial tails, the forces exerted by a single motor protein, and the mechanical properties of human red blood cells and of individual biological molecules. The number of articles related to them totals to a whopping 58,000 (source Google Scholar)! Microrheology is a branch of rheology, but it works at micrometer length scales and with microliter sample volumes. Therefore, microrheology techniques have been revealed to be very useful tools for all those rheological/mechanical studies where rare or precious materials are employed, such as in biological and biomedical studies. The aim of this book is to provide a pedagogical introduction to the physics principles governing both the optical tweezers and their application in the field of microrheology of complex materials. This is achieved by following a linear path that starts from a narrative introduction of the "nature of light," followed by a rigorous description of the fundamental equations governing the propagation of light through matter. Moreover, some of the many possible instrumental configurations are presented, especially those that better adapt to perform microrheology measurements. In order to better appreciate the microrheological methods with optical tweezers explored in this book, informative introductions to the basic concepts of linear rheology, statistical mechanics, and the most popular microrheology techniques are also given. Furthermore, an enlightening prologue to the general applications of optical tweezers different from rheological purposes is provided at the end of the book.

An Introduction to Rheology

Author: Howard A. Barnes,John Fletcher Hutton,Kenneth Walters

Publisher: Elsevier

ISBN: 9780444871404

Category: Science

Page: 199

View: 8400

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This text introduces the subject of rheology in terms understandable to non-experts and describes the application of rheological principles to many industrial products and processes.

Rheology for Chemists

An Introduction

Author: J W Goodwin,R W Hughes

Publisher: Royal Society of Chemistry

ISBN: 1847558046

Category: Education

Page: 276

View: 5743

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Rheology is an integral part of life, from decorative paint and movement of volcanic lava to the flow of blood in our veins. This book describes, without the use of complex mathematics, how atoms and molecules interact to control the handling properties of materials ranging from simple ionic crystals through polymers to colloidal dispersions. Beginning with an introduction to essential terminology, Rheology for Chemists goes on to discuss limiting behaviour, temporal behaviour and non-linear behaviour. Throughout, examples of everyday experiments are provided to illustrate the theory, which increases in complexity with each discrete chapter. Ideas are developed in a systematic fashion so that the mechanisms responsible for the elastic, viscous or viscoelastic behaviour of systems are understood. The text thus progresses in a manner that makes it an ideal introduction to rheology for any scientist who needs to use the ideas to modify systems. Comprehensive and unique in approach, this book will provide the necessary introduction to rheology for many undergraduates and graduates, as well as being valuable for laboratory and industrial staff requiring an introduction to this fascinating subject.

Dynamic Mechanical Analysis

A Practical Introduction, Second Edition

Author: Kevin P. Menard

Publisher: CRC Press

ISBN: 9781420053135

Category: Technology & Engineering

Page: 240

View: 7327

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Dynamic mechanical analysis (DMA) has left the domain of the rheologist and has become a prevalent tool in the analytical laboratory. However, information on the use of this important tool is still scattered among a range of books and articles. Novices in the field have to dig through thermal analysis, rheology, and materials texts just to find the basics. Updated with new material, expanded practical explanations, and new applications, Dynamic Mechanical Analysis, Second Edition continues to give chemists, engineers, and materials scientists a starting point for applying DMA to their individual fields. It imparts a clear understanding of how DMA works, its advantages, and possible limitations. Additional topics include stress/strain, data handling, experimental technology, test methods, and data analysis. One of the only references dedicated to DMA, this accessible and easy-to-read guide gathers the most pertinent information available on this important technique.

Polymer Rheology

Fundamentals and Applications

Author: Tim A. Osswald,Natalie Rudolph

Publisher: Hanser Gardner Publications

ISBN: 9781569905173

Category: Technology & Engineering

Page: 225

View: 4265

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Rheology unites the seemingly unrelated fields of plasticity and non-Newtonian fluids by recognizing that both these types of materials are unable to support a shear stress in static equilibrium. In this sense, a plastic solid is a fluid. Granular rheology refers to the continuum mechanical description of granular materials. In this book, rheology--the study of the deformation and flow of matter--is treated primarily in the context of the stresses generated during the flow of complex materials such as polymers, colloids, foams, and gels. A rapidly growing and industrially important field, it plays a significant role in polymer processing, food processing, coating and printing, and many other manufacturing processes.

Understanding Rheology

Author: Faith A. Morrison

Publisher: Oxford University Press, USA

ISBN: 9780195141665

Category: Technology & Engineering

Page: 545

View: 4445

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Rheology--the study of the deformation and flow of matter--deals primarily with the stresses generated during the flow of complex materials including polymers, colloids, foams, and gels. A rapidly growing and industrially important field, it plays a significant role in polymer processing, food processing, coating and printing, and many other manufacturing processes. Designed as a main text for advanced undergraduate- or graduate-level courses in rheology or polymer rheology, Understanding Rheology is also an ideal self-teaching guide for practicing engineers and scientists who find rheological principles applicable to their work. Covering the most important aspects of elementary modern rheology, this detailed and accessible text opens with an introduction to the field and then provides extensive background chapters on vector and tensor operations and Newtonian fluid mechanics. It continues with coverage of such topics as: * Standard Flows for Rheology * Material Functions * Experimental Observations * Generalized Newtonian Fluids * Generalized Linear-Viscoelastic Fluids * Nonlinear Constitutive Equations * Rheometry, including rheo-optics Understanding Rheology incorporates helpful pedagogical aids including numerous problems for each chapter, many worked examples, and an extensive glossary. It also contains useful appendices on nomenclature, mathematical tools, predictions of constitutive equations, and birefringence.

Thermal and Rheological Measurement Techniques for Nanomaterials Characterization

Author: Sabu Thomas,Raju Thomas,Ajesh K Zachariah,Raghvendra Kumar Mishra

Publisher: Elsevier

ISBN: 032346145X

Category: Technology & Engineering

Page: 292

View: 6722

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Thermal and Rheological Measurement Techniques for Nanomaterials Characterization, Second Edition covers thermal and rheological measurement techniques, including their principle working methods, sample preparation and interpretation of results. This important reference is an ideal source for materials scientists and industrial engineers who are working with nanomaterials and need to know how to determine their properties and behaviors. Outlines key characterization techniques to determine the thermal and rheological behavior of different nanomaterials Explains how the thermal and rheological behavior of nanomaterials affect their usage Provides a method-orientated approach that explains how to successfully use each technique

Rheology Essentials of Cosmetic and Food Emulsions

Author: Rüdiger Brummer

Publisher: Springer Science & Business Media

ISBN: 3540290877

Category: Technology & Engineering

Page: 180

View: 1568

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Cosmetic emulsions exist today in many forms for a wide variety of applications, including face and hand creams for normal, dry or oily skin, body milks and lotions, as well as sun-block products. Keeping track of them and their properties is not always easy despite informative product names or partial names (e.g. hand or face cream) that clearly indicate their use and properties. This practical manual provides a detailed overview that describes the key properties and explains how to measure them using modern techniques. Written by an expert in flows and flow properties, it focuses on the application of rheological (flow) measurements to cosmetic and food emulsions and the correlation of these results with findings from other tests. Beginning with a brief history of rheology and some fundamental principles, the manual describes in detail the use of modern viscometers and rheometers, including concise explanations of the different available instruments. But the focus remains on practical everyday lab procedures: how to characterize cosmetic and food emulsions with different rheological tests such as temperature, time, stress and strain, both static and dynamic. Also the critical topic of how the results correlate with other important product characteristics, for instance, skin sensation, pumping performance, stability etc. is carefully explored. Many pictures, illustrations, graphs and tables help readers new to the measurement of cosmetic emulsions in their daily work as well as to the more experienced who seek additional special tips and tricks.

Rheology for Chemists

An Introduction

Author: James William Goodwin,Roy W. Hughes

Publisher: Royal Society of Chemistry

ISBN: 0854048391

Category: Science

Page: 264

View: 4434

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Rheology is primarily concerned with materials: scientific, engineering and everyday products whose mechanical behaviour cannot be described using classical theories. From biological to geological systems, the key to understanding the viscous and elastic behaviour firmly rests in the relationship between the interactions between atoms and molecules and how this controls the structure, and ultimately the physical and mechanical properties. Rheology for Chemists An Introduction takes the reader through the range of rheological ideas without the use of the complex mathematics. The book gives particular emphasis on the temporal behaviour and microstructural aspects of materials, and is detailed in scope of reference. An excellent introduction to the newer scientific areas of soft matter and complex fluid research, the second edition also refers to system dimension and the maturing of the instrumentation market. This book is a valuable resource for practitioners working in the field, and offers a comprehensive introduction for graduate and post graduates. Extracts from reviews of 1st Edition: ..". well-suited for self-study by research workers and technologists, who, confronted with technical problems in this area, would like a straightforward introduction to the subject of rheology." Chemical Educator, ..". full of valuable insights and up-to-date information." Chemistry World

Dough Rheology and Baked Product Texture

Author: H. Faridi,J.M. Faubion

Publisher: Springer Science & Business Media

ISBN: 1461308615

Category: Technology & Engineering

Page: 628

View: 1539

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Cereal chemists are interested in rheology because the dough undergoes some type of deformation in every phase of the conversion of flour into baked products. During mixing, dough is subjected to extreme deformations, many that exceed the rupture limit; during fermentation, the deformations are much smaller and therefore exhibit a different set of rheological properties; during sheeting and molding, deformations are at an intermediate level; and, finally, during proofing and baking, the dough is subjected to a range of deformations at varying temperatures. Accordingly, the application of rheological concepts to explain the behavior of dough seems a natural requirement of research on the interrelationships among flour constituents, added ingredients, process parameters, and the required characteristics of the final baked product. At any moment in the baking process, the rheological behavior, that is, the nature of the deformation, exhibited by a specific dough derives from the applied stress and how long the stress is maintained. The resulting deformation may be simple, such as pure viscous flow or elastic deformation, and therefore easy to define precisely. Moreover, under some conditions of stress and time (i. e. , shear rate), doughs behave as ideal materials and their behavior follows theory derived from fundamental concepts. Under usual conditions encountered in baking, however, the rheological behavior is far from ideal; shear rates vary widely and sample size and dimensions are ill-defined.

Rheology V1

Theory and Applications

Author: Frederick Eirich

Publisher: Elsevier

ISBN: 0323142591

Category: Science

Page: 778

View: 8128

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Rheology: Theory and Applications, Volume 1 is a compilation of papers contributed by experts in the field of rheology - the science of deformation and flow. The collection provides the general concepts and laws of rheology. This volume contains chapters that discuss the concepts of rheology from the standpoint of physics and engineering; phases of the deformation of solids; mechanism of liquid flow, large elastic deformations, viscoelasticity, and melt flow; the rheology of disperse systems; and acoustic responses of liquids. Materials scientists, geophysicists, physiologists, biologists, and pharmacists will find the book very informative.