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Rheological Characterization And Modeling
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Book Synopsis Rheological characterization and modeling by : Bapurao Bandgar
Download or read book Rheological characterization and modeling written by Bapurao Bandgar and published by GRIN Verlag. This book was released on 2020-03-11 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: Document from the year 2020 in the subject Chemistry - Other, grade: Research, , course: Research, language: English, abstract: A detailed study of the theological modelling of composite propellant slurry based on hydroxyl terminated polybutadiene (HTPB) prepolymer, Dioctyl adipate (DOA) plasticizer, toluene diisocynate curative, ammonium per chlorate (AP) oxidizer and aluminium powder as a metallic fuel is carried out and studied the effect of each of the ingredients on the composite propellant slurry (cps). The effect of temperature on viscosity of polymer and plasticizer system was studied at different temperatures, and torques (shear force). The polymer hydroxyl terminated polybutadiene (HTPB) and plasticizer (DOA) viscosity data showed temperature dependence and independent of the torque (i.e. shear force). Therefore, the viscosity data has been modelled to polynomial model of a fourth order with temperature for polymer and plasticizer. The results showed good agreement between theory and experiment. These polynomial model results have been compared with Arrhenius model. The polynomial model showed better comparison within ± 4 % error compared to Arrhenius model with ± 4 to ± 22 % error over the temperature range of 30 - 70 °C. The viscosity of the mixture was also studied at different weight fractions of the polymer:plasticizer. The viscosity of mixture showed dependence on the weight fraction of the plasticizer and temperature. Rheology concerns itself with the mechanism of flow and deformation of matter. Deformation is a phenomenon, which is associated with a volume element. This term was invented by Prof. Bingham of Lafayette College, Indiana. Significant advances have been made in polymer rheology, in bio-rheology and in suspension rheology. There has been a significant appreciation of the importance of rheology in the chemical processing industry like medicine, paints and printing ink technology etc. and biotechnological industries. It has also made important contributions in food technology, building and structural engineering, cosmetics, drilling operations and oil wells etc.
Book Synopsis Rheological Characterization of Complex Materials and Modeling of Shear-free Flows by :
Download or read book Rheological Characterization of Complex Materials and Modeling of Shear-free Flows written by and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rheological Characterization of Complex Materials and Modeling of Shear-free Flows by : Michel A. Beaulne
Download or read book Rheological Characterization of Complex Materials and Modeling of Shear-free Flows written by Michel A. Beaulne and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The behaviour of complex materials, the main study of rheology, is investigated in this work. In an effort to better understand these materials, a two-step process was undertaken. First, the nonlinear behaviour of such materials was determined in a laboratory. Second, experimental measurements were extracted from the literature with respect to shear-free flows of complex materials and simulations were performed for the shear-five flows in question. These flows involve uniaxial extension in the case of fiber spinning and film casting, and biaxial extension in the caw of film blowing. Rheological experiments were conducted on polymer solutions, namely poly(ethylene oxide) and polyacrylamide, at room temperature and on a polypropylene (PP) polymer melt at high temperature, with a Weissenberg rheogoniometer in a laboratory. The shear viscosity and first normal stress difference were measured at varying shear rates. An integral constitutive equation of the K-BKZ type was used to predict the nonlinear behaviour of these materials. Transient regression was performed to find the parameters of the K-BKZ model for the U-Stamylan low-density polyethylene (LDPE), and predictions for steady-state materials functions were given. Fiber-spinning simulations were undertaken for a series of complex materials at a wide range of operating conditions. Film-casting simulations were also undertaken for a series of complex materials. (Abstract shortened by UMI.).
Book Synopsis Nonlinear Rheological Characterization and Modeling of Complex Fluids Under Large Amplitude Oscillatory Shear (LAOS) by : Christopher Joseph Hershey
Download or read book Nonlinear Rheological Characterization and Modeling of Complex Fluids Under Large Amplitude Oscillatory Shear (LAOS) written by Christopher Joseph Hershey and published by . This book was released on 2018 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rheological Characterization of NASA Propellants and Modeling/Simulation of the Mixing Process for Scale-Up to Production by : Lilia Mastov
Download or read book Rheological Characterization of NASA Propellants and Modeling/Simulation of the Mixing Process for Scale-Up to Production written by Lilia Mastov and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Applied Rheology for Polymers: from Characterization to Modeling and Flow Instabilities by :
Download or read book Applied Rheology for Polymers: from Characterization to Modeling and Flow Instabilities written by and published by . This book was released on 2014 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rheology of Polymer Blends and Nanocomposites by : Sabu Thomas
Download or read book Rheology of Polymer Blends and Nanocomposites written by Sabu Thomas and published by Elsevier. This book was released on 2019-09-08 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rheology of Polymer Blends and Nanocomposites: Theory, Modelling and Applications focuses on rheology in polymer nanocomposites. It provides readers with a solid grounding in the fundamentals of rheology, with an emphasis on recent advancements. Chapters explore potential future applications for nanocomposites and polymer blends, giving readers a thorough understanding of the specific features derived from rheology as a tool for the study of polymer blends and nanocomposites. This book is ideal for industrial and academic researchers in the field of polymer blends and nanocomposites, but is also a great resource for anyone who wants to learn about the applications of rheology. Sets out the principles of rheology as it is applied to polymer blends and nanocomposites Demonstrates how rheological techniques are best applied to different classes of nanocomposites Assesses the opportunities and major challenges of rheological approaches to polymer blends and nanocomposites
Book Synopsis Rheological Characterization and Modeling of Micro- and Nano-scale Particle Suspensions by : Christopher D. Kagarise
Download or read book Rheological Characterization and Modeling of Micro- and Nano-scale Particle Suspensions written by Christopher D. Kagarise and published by . This book was released on 2009 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon nanotubes have tremendous potential to be used in a wide range of applications because their tensile strength, electrical conductivity and thermal conductivity are among the greatest of all known materials. The performance properties currently achieved in macroscopic assemblies of CNTs are significantly less than those of individual nanotubes and are highly dependant upon processing conditions. There is a need to understand the principals controlling the behavior of carbon nanotube assemblies in order to realize the full potential of these materials and create marketable products. Several different properties of CNTs and CNT structures were measured in an attempt to identify the significant differences which result in the observed behaviors.
Book Synopsis Rheological Characterization of Fast-reacting Thermosets Via the Matching of Results from a Simulation with Those from Spiral Flow Experiments by : Ulises F. González
Download or read book Rheological Characterization of Fast-reacting Thermosets Via the Matching of Results from a Simulation with Those from Spiral Flow Experiments written by Ulises F. González and published by . This book was released on 1991 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Rheology Research by : María Dolores Torres Pérez
Download or read book Advances in Rheology Research written by María Dolores Torres Pérez and published by . This book was released on 2017-12 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Rheology Research has been divided into fourteen chapters. The renowned authors of this volume discuss current advances in rheology research for different application fields, covering theoretical and experimental scientific contributions. The fourteen chapters include discussions on a wide range of outstanding rheological issues such as rheology and 3D printing; rheological characterisation of injection grouts using rotational rheometry; analysis of rheological properties of 100% liquid CO2 based gel fracturing fluid; rheology applied to food product design; miscibility and viscoelastic properties of poly(styrene-co-acrylonitrile) blends; rheology of honey; unusual nonlinear rheological behaviour of branched polymers: multiple overshoots in stress growth, experiments and theory; viscosity and viscoelasticity of baby foods; rheology as an instrument for food development; using the Laplace transform in rheology kinetic modeling; design of vibration absorbers using the rheological properties of viscoelastic materials; a viscoelastic fluid due to a non-linear accelerating elastic sheet; an MHD boundary layer viscoelastic fluid flow over a stretching sheet in a porous medium; and thermal radiation effect on fully developed laminar mixed convection flow in a vertical porous stratum by using a differential transform method. All of the above chapters are intended to contribute the improvement understanding of the rheological characterization and performance in numerous application fields from the food to the non-food industries.
Book Synopsis Ultrasound Elastography for Biomedical Applications and Medicine by : Ivan Z. Nenadic
Download or read book Ultrasound Elastography for Biomedical Applications and Medicine written by Ivan Z. Nenadic and published by John Wiley & Sons. This book was released on 2018-10-25 with total page 919 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultrasound Elastography for Biomedical Applications and Medicine Ivan Z. Nenadic, Matthew W. Urban, James F. Greenleaf, Mayo Clinic Ultrasound Research Laboratory, Mayo Clinic College of Medicine, USA Jean-Luc Gennisson, Miguel Bernal, Mickael Tanter, Institut Langevin – Ondes et Images, ESPCI ParisTech CNRS, France Covers all major developments and techniques of Ultrasound Elastography and biomedical applications The field of ultrasound elastography has developed various techniques with the potential to diagnose and track the progression of diseases such as breast and thyroid cancer, liver and kidney fibrosis, congestive heart failure, and atherosclerosis. Having emerged in the last decade, ultrasound elastography is a medical imaging modality that can noninvasively measure and map the elastic and viscous properties of soft tissues. Ultrasound Elastography for Biomedical Applications and Medicine covers the basic physics of ultrasound wave propagation and the interaction of ultrasound with various media. The book introduces tissue elastography, covers the history of the field, details the various methods that have been developed by research groups across the world, and describes its novel applications, particularly in shear wave elastography. Key features: Covers all major developments and techniques of ultrasound elastography and biomedical applications. Contributions from the pioneers of the field secure the most complete coverage of ultrasound elastography available. The book is essential reading for researchers and engineers working in ultrasound and elastography, as well as biomedical engineering students and those working in the field of biomechanics.
Book Synopsis Development of a Model Colloidal System for Rheology Simulation by :
Download or read book Development of a Model Colloidal System for Rheology Simulation written by and published by . This book was released on 2008 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of the experimental effort is to provide a model particle system that will enable modeling of the macroscopic rheology from the interfacial and environmental structure of the particles and solvent or melt as functions of applied shear and volume fraction of the solid particles. This chapter describes the choice of the model particle system, methods for synthesis and characterization, and results from characterization of colloidal dispersion, particle film formation, and the shear and oscillatory rheology in the system. Surface characterization of the grafted PDMS interface, dispersion characterization of the colloids, and rheological characterization of the dispersions as a function of volume fraction were conducted.
Book Synopsis Rheological Math Modeling and Characterization of Thixotropic Materials by Computer by : Percy Kin Lam
Download or read book Rheological Math Modeling and Characterization of Thixotropic Materials by Computer written by Percy Kin Lam and published by . This book was released on 1977 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Food Rheology and Its Applications by : Jasim Ahmed
Download or read book Advances in Food Rheology and Its Applications written by Jasim Ahmed and published by Woodhead Publishing. This book was released on 2022-09-13 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Food Rheology and Its Applications: Development in Food Rheology, Second Edition 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. This second edition provides coverage of new rheological measurement techniques, including ultrasonic measurements of rheological properties of food and NMR approach, and precision in data handling, including coverage of mathematical modeling of rheological properties. As the range of food products has also broadened as a result of consumer demands and preference, this second edition includes a series of new chapters on dairy and plant-based foods. The amalgamation between food texture and sensory attributes will also be addressed. In addition, coverage of the correlation between rheological behavior and modeling of the fluid in a human stomach and food digestion will be assessed. A special focus has given on rheology of gel systems, including, food hydrogels, bigel and organogels. Written for food scientists, food technologists, sensory scientists, and others working in academia and industry, Advances in Food Rheology and Its Applications: Development in Food Rheology, Second Edition will be a welcomed and updated reference. Considers the impact of artificial intelligence and machine vision on rheological characterization and process control Presents ultrasonic measurements of rheological properties of food and NMR approach, and precision in data handling Covers thermodynamic approach of rheology and interfacial rheology Explains various gel systems rheology, including bogels and organogo gels
Book Synopsis Rheology and Processing of Construction Materials by : Viktor Mechtcherine
Download or read book Rheology and Processing of Construction Materials written by Viktor Mechtcherine and published by Springer Nature. This book was released on 2019-08-24 with total page 663 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers the peer-reviewed contributions presented at two parallel, closely interconnected events on advanced construction materials and processes, namely the 2nd International RILEM Conference on Rheology and Processing of Construction Materials (RheoCon2) and the 9th International RILEM Symposium on Self-Compacting Concrete (SCC9), held in Dresden, Germany on 8-11 September 2019. The papers discuss various aspects of research on the development, testing, and applications of cement-based and other building materials together with their specific rheological properties. Furthermore, the papers cover the latest findings in the fast-growing field of self-compacting concrete, addressing topics including components’ properties and characterization; chemical admixtures, effect of binders (incl. geopolymers, calcined clay, etc.) and mixture design; laboratory and in-situ rheological testing; constitutive models and flow modelling; numerical simulations; mixing, processing and casting processes; and additive manufacturing / 3D-printing. Also presenting case studies, the book is of interest to researchers, graduate students, and industry specialists, such as material suppliers, consultants and construction experts.
Book Synopsis Polymer Rheology by : Tim A. Osswald
Download or read book Polymer Rheology written by Tim A. Osswald and published by Hanser Gardner Publications. This book was released on 2015 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Rheological Characterization and Modeling of Laponite Gels with Application to Snug-like Locomotion by : Douglas C. Hwang
Download or read book Rheological Characterization and Modeling of Laponite Gels with Application to Snug-like Locomotion written by Douglas C. Hwang and published by . This book was released on 2005 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using various concentrations of Laponite, results were obtained on an AR1000 rheometer through various testing methods: stress sweep, creep tests, and large amplitude oscillatory shear tests, defined as LAOS. Concentrations of 1%, 2%, 2.5%, 3%, and 4% wt. of Laponite and distilled water solutions were tested. Laponite gels over 1% wt. concentrations were characterized as yield stress materials, as determined by stress sweep, creep test, and LAOS tests. The stress sweeps determined the yield stress, and the creep tests verified the results with a range of creep tests over and below the yield stress discovered in the stress sweep tests. The LAOS tests mapped a specific "fingerprint" of how the Laponite gel behaved on a Lissajous figure of stress and strain. These LAOS results are then fit with an evolution of deformation model in Matlab over various oscillation stresses. The results show that slug slime emulation is possible by altering the Laponite gel's properties with polymers to result in a slug slime equivalent for use in studying slug locomotion.
