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Author : Dimitris Vlassopoulos
Publisher :
ISBN 13 :
Total Pages : 321 pages
Book Rating : 4.:/5 (731 download)
Download or read book Rheological Characterization of Drag-reducing Fluids written by Dimitris Vlassopoulos and published by . This book was released on 1990 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Feng-Chen Li
Publisher : John Wiley & Sons
ISBN 13 : 1118181115
Total Pages : 233 pages
Book Rating : 4.1/5 (181 download)
Download or read book Turbulent Drag Reduction by Surfactant Additives written by Feng-Chen Li and published by John Wiley & Sons. This book was released on 2012-01-10 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turbulent drag reduction by additives has long been a hot research topic. This phenomenon is inherently associated with multifold expertise. Solutions of drag-reducing additives are usually viscoelastic fluids having complicated rheological properties. Exploring the characteristics of drag-reduced turbulent flows calls for uniquely designed experimental and numerical simulation techniques and elaborate theoretical considerations. Pertinently understanding the turbulent drag reduction mechanism necessities mastering the fundamentals of turbulence and establishing a proper relationship between turbulence and the rheological properties induced by additives. Promoting the applications of the drag reduction phenomenon requires the knowledge from different fields such as chemical engineering, mechanical engineering, municipal engineering, and so on. This book gives a thorough elucidation of the turbulence characteristics and rheological behaviors, theories, special techniques and application issues for drag-reducing flows by surfactant additives based on the state-of-the-art of scientific research results through the latest experimental studies, numerical simulations and theoretical analyses. Covers turbulent drag reduction, heat transfer reduction, complex rheology and the real-world applications of drag reduction Introduces advanced testing techniques, such as PIV, LDA, and their applications in current experiments, illustrated with multiple diagrams and equations Real-world examples of the topic’s increasingly important industrial applications enable readers to implement cost- and energy-saving measures Explains the tools before presenting the research results, to give readers coverage of the subject from both theoretical and experimental viewpoints Consolidates interdisciplinary information on turbulent drag reduction by additives Turbulent Drag Reduction by Surfactant Additives is geared for researchers, graduate students, and engineers in the fields of Fluid Mechanics, Mechanical Engineering, Turbulence, Chemical Engineering, Municipal Engineering. Researchers and practitioners involved in the fields of Flow Control, Chemistry, Computational Fluid Dynamics, Experimental Fluid Dynamics, and Rheology will also find this book to be a much-needed reference on the topic.
Author : A. Gyr
Publisher : Springer Science & Business Media
ISBN 13 : 9401712956
Total Pages : 243 pages
Book Rating : 4.4/5 (17 download)
Download or read book Drag Reduction of Turbulent Flows by Additives written by A. Gyr and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drag Reduction of Turbulent Flows by Additives is the first treatment of the subject in book form. The treatment is extremely broad, ranging from physicochemical to hydromechanical aspects. The book shows how fibres, polymer molecules or surfactants at very dilute concentrations can reduce the drag of turbulent flow, leading to energy savings. The dilute solutions are considered in terms of the physical chemistry and rheology, and the properties of turbulent flows are presented in sufficient detail to explain the various interaction mechanisms. Audience: Those active in fundamental research on turbulence and those seeking to apply the effects described. Fluid mechanical engineers, rheologists, those interested in energy saving methods, or in any other application in which the flow rate in turbulent flow should be increased.
Author : Aroon Shenoy
Publisher : Springer Nature
ISBN 13 : 303040045X
Total Pages : 196 pages
Book Rating : 4.0/5 (34 download)
Download or read book Rheology of Drag Reducing Fluids written by Aroon Shenoy and published by Springer Nature. This book was released on 2020-03-25 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explains theoretical derivations and presents expressions for fluid and convective turbulent flow of mildly elastic fluids in various internal and external flow situations involving different types of geometries, such as the smooth/rough circular pipes, annular ducts, curved tubes, vertical flat plates, and channels. Understanding the methodology of the analyses facilitates appreciation for the rationale used for deriving expressions of parameters relevant to the turbulent flow of mildly elastic fluids. This knowledge serves as a driving force for developing new ideas, investigating new situations, and extending theoretical analyses to other unexplored areas of the rheology of mildly elastic drag reducing fluids.The book suits a range of functions--it can be used to teach elective upper-level undergraduate or graduate courses for chemical engineers, material scientists, mechanical engineers, and polymer scientists; guide researchers unexposed to this alluring and interesting area of drag reduction; and serve as a reference to all who want to explore and expand the areas dealt with in this book.
Author : MOHAMED GAD-EL-HAK
Publisher : Springer Science & Business Media
ISBN 13 : 3642837875
Total Pages : 611 pages
Book Rating : 4.6/5 (428 download)
Download or read book Advances in Fluid Mechanics Measurements written by MOHAMED GAD-EL-HAK and published by Springer Science & Business Media. This book was released on 2013-03-08 with total page 611 pages. Available in PDF, EPUB and Kindle. Book excerpt: One cannot overemphasize the importance of studying fluids in motion or at rest for a variety of scientific and engineering endeavors. Fluid mechanics as an art reaches back into antiquity, but its rational formulation is a relatively recent undertaking. Much of the physics of a particular flow situation can be understood by conducting appropriate experiments. Flow visualization techniques offer a useful tool to establish an overall picture of a flow field and to delineate broadly its salient features before embarking on more detailed quantitative measurements. Among the single-point measurements that are particularly difficult are those in separated flows, non-Newtonian fluids, rotating flows, and nuclear aerosols. Pressure, shear stress, vorticity, and heat transfer coefficient are also difficult quantities to measure, particularly for time-dependent flows. These and other special situations are among the topics covered in this volume. Each article emphasizes the development of a particular measuring technique. The topics covered were chosen because of their importance to the field, recent appeal, and potential for future development. The articles are comprehensive and coverage is pedagogical with a bias towards recent developments.
Author : American Institute of Chemical Engineers
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.3/5 (97 download)
Download or read book Drag Reduction written by American Institute of Chemical Engineers and published by . This book was released on 1971 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wu Ge
Publisher :
ISBN 13 :
Total Pages : 413 pages
Book Rating : 4.:/5 (496 download)
Download or read book Studies on the Nanostructure, Rheology and Drag Reduction Characteristics of Drag Reducing Cationic Surfactant Solutions written by Wu Ge and published by . This book was released on 2008 with total page 413 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: At concentrations above CMC (critical micellization concentration) or temperatures above CMT (critical micellization temperature) surfactant molecules dissolved in aqueous solution self-assemble into colloidal aggregates such as micelles or vesicles. These colloidal aggregates vary in shape and size depending on a number of system conditions such as surfactant molecular structure, surfactant concentration, salt concentration, temperature, etc. Among the variety of micellar structures in solution, wormlike micelles resembling the long chain molecules of high polymers may reduce friction energy loss in turbulent flow by up to 90% at relatively low surfactant concentrations under appropriate flow and temperature conditions. This phenomenon is termed drag reduction (by surfactant additives) and it has significant potential impacts on fluid transport and on the environment. Among surfactant drag reducing additives, cationic surfactants with organic counterions have received the most attention in the past two decades mainly because of their excellent drag reducing ability, broad availability, low concentration requirements and general insensitivity to ionic metal impurities. Typical cationic surfactants studied for drag reduction are quaternary ammonium salts with one long alkyl chain (carbon number from 14 to 22) and methyl or hydroxyethyl groups in the other positions. They are, however, mildly toxic with poor biodegradability, so there is a need to develop more environmentally friendly surfactant drag reducing additives. Other types of surfactants such as anionics, zwitterionics and nonionics have also been studied. To obtain desired drag reducing properties, previous research has been focused on utilizing synergistic effects that may arise when two surfactant species are mixed. Mixed surfactant systems studied for drag reduction included cationic surfactants of mixed alkyl chain lengths, cationic/anionic, nonionic/nonionic, nonionic/anionic and zwitterionic/anionic surfactant mixtures in aqueous solutions and in water/co-solvent systems. Organic counterions added to dilute cationic surfactant aqueous solutions are effective in inducing and stabilizing wormlike micelle formation at relatively low counterion to surfactant molar ratios, thereby promoting their drag reducing effectiveness. The interactions of the cationic surfactant and organic counterion can be enhanced by tuning either or both of them, structurally and/or by concentration and molar ratio, to tailor-make highly efficient drag reducing systems suitable for different applications. Understanding the important role of organic counterions in the dynamics of the formation of cationic surfactant wormlike micelles and their networks is important. In this work, investigations have been conducted in how changes in the organic counterion chemical structure of a series of p-halobenzoates and counterion to surfactant ratio affect zeta potential, nanostructure, drag reduction and rheological properties. Also, certain mixed aromatic counterion systems were studied which showed excellent synergistic effects on promoting wormlike micellar branched networks and enhancing drag reducing effectiveness. In this work, an enclosed rotating disk apparatus was designed and constructed for screening novel surfactant species synthesized in chemistry laboratories. After correlating its drag reducing results with those obtained through the conventional pipe flow test system, this small scale apparatus is capable of testing materials for drag reduction effectiveness independently. A long range goal of this research is to develop effective low concentration surfactant systems with good drag reduction effectiveness. Guided by the correlations and understandings obtained in the past research, in this work, a number of new surfactants or counterions were selected or synthesized for exploratory drag reduction tests.
Author : C. Sinclair Wells
Publisher : Springer
ISBN 13 : 1489955798
Total Pages : 497 pages
Book Rating : 4.4/5 (899 download)
Download or read book Viscous Drag Reduction written by C. Sinclair Wells and published by Springer. This book was released on 2013-12-20 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Leszek A. Utracki
Publisher : John Wiley & Sons
ISBN 13 : 1118062957
Total Pages : 677 pages
Book Rating : 4.1/5 (18 download)
Download or read book Polymer Physics written by Leszek A. Utracki and published by John Wiley & Sons. This book was released on 2011-02-14 with total page 677 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing a comprehensive review of the state-of-the-art advanced research in the field, Polymer Physics explores the interrelationships among polymer structure, morphology, and physical and mechanical behavior. Featuring contributions from renowned experts, the book covers the basics of important areas in polymer physics while projecting into the future, making it a valuable resource for students and chemists, chemical engineers, materials scientists, and polymer scientists as well as professionals in related industries.
Author : Fridtjov Irgens
Publisher : Springer Science & Business Media
ISBN 13 : 3319010530
Total Pages : 192 pages
Book Rating : 4.3/5 (19 download)
Download or read book Rheology and Non-Newtonian Fluids written by Fridtjov Irgens and published by Springer Science & Business Media. This book was released on 2013-07-25 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives a brief but thorough introduction to the fascinating subject of non-Newtonian fluids, their behavior and mechanical properties. After a brief introduction of what characterizes non-Newtonian fluids in Chapter 1 some phenomena characteristic of non-Newtonian fluids are presented in Chapter 2. The basic equations in fluid mechanics are discussed in Chapter 3. Deformation kinematics, the kinematics of shear flows, viscometric flows, and extensional flows are the topics in Chapter 4. Material functions characterizing the behavior of fluids in special flows are defined in Chapter 5. Generalized Newtonian fluids are the most common types of non-Newtonian fluids and are the subject in Chapter 6. Some linearly viscoelastic fluid models are presented in Chapter 7. In Chapter 8 the concept of tensors is utilized and advanced fluid models are introduced. The book is concluded with a variety of 26 problems. Solutions to the problems are ready for instructors
Author : Robert H. J. Sellin
Publisher :
ISBN 13 :
Total Pages : 360 pages
Book Rating : 4.:/5 (31 download)
Download or read book Drag Reduction in Fluid Flows written by Robert H. J. Sellin and published by . This book was released on 1989 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Karel Dusˇek
Publisher : Springer Science & Business Media
ISBN 13 : 3642135315
Total Pages : 294 pages
Book Rating : 4.6/5 (421 download)
Download or read book Polymer Characterization written by Karel Dusˇek and published by Springer Science & Business Media. This book was released on 2010-08-07 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: -Shear-Induced Transitions and Instabilities in Surfactant Wormlike Micelles By S. Lerouge, J.-F. Berret -Laser-Interferometric Creep Rate Spectroscopy of Polymers By V. A. Bershtein, P. N. Yakushev -Polymer Nanocomposites for Electro-Optics: Perspectives on Processing Technologies, Material Characterization, and Future Application K. Matras-Postolek, D. Bogdal
Author : Riyaz Kharrat
Publisher :
ISBN 13 :
Total Pages : 622 pages
Book Rating : 4.:/5 (21 download)
Download or read book Rheological Characterization of a Boger Fluid and the Numerical Simulation of Its Flow Across a Cylinder written by Riyaz Kharrat and published by . This book was released on 1989 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nicholas P. Cheremisinoff
Publisher : CRC Press
ISBN 13 : 1000148564
Total Pages : 816 pages
Book Rating : 4.0/5 (1 download)
Download or read book Handbook of Applied Polymer Processing Technology written by Nicholas P. Cheremisinoff and published by CRC Press. This book was released on 2020-10-07 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Offers detailed coverage of applied polymer processing--presenting a wide range of technologies and furnishing state-of-the-art data on polymer components, properties, and processibility. Reviews fundamental rheological concepts. Contains over 1600 bibliographic citations, some 450 equations, and over 400 tables, drawings, and photographs."
Author : Juan De Vicente
Publisher : BoD – Books on Demand
ISBN 13 : 9535108417
Total Pages : 374 pages
Book Rating : 4.5/5 (351 download)
Download or read book Viscoelasticity written by Juan De Vicente and published by BoD – Books on Demand. This book was released on 2012-11-07 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains a wealth of useful information on current research on viscoelasticity. By covering a broad variety of rheology, non-Newtonian fluid mechanics and viscoelasticity-related topics, this book is addressed to a wide spectrum of academic and applied researchers and scientists but it could also prove useful to industry specialists. The subject areas include, theory, simulations, biological materials and food products among others.
Author : Giovanni Astarita
Publisher : Springer Science & Business Media
ISBN 13 : 1468437461
Total Pages : 749 pages
Book Rating : 4.4/5 (684 download)
Download or read book Rheology written by Giovanni Astarita and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 749 pages. Available in PDF, EPUB and Kindle. Book excerpt: At the VIIth International Congress on Rheology, which was held in Goteborg in 1976, Proceedings were for the first time printed in advance and distributed to all participants at the time of the Congress. Although of course we Italians would be foolish to even try to emulate our Swedish friends as far as efficiency of organization is concerned, we decided at the very beginning that, as far as the Proceedings were concerned, the VIIIth International Congress on Rheology in Naples would follow the standards of time liness set by the Swedish Society of Rheology. This book is the result we have obtained. We wish to acknowledge the cooperation of Plenum Press in producing it within the very tight time schedule available. Every four years, the International Congress on Rheology represents the focal point where all rheologists meet, and the state of the art is brought up to date for everybody interested; the Proceedings represent the written record of these milestones of scientific progress in rheology. We have tried to make use of the traditions of having invited lectures, and of leaving to the organizing committee the freedom to choose the lecturers as they see fit, in order to collect a group of invited lectures which gives as broad as possible a landscape of the state of the art in every relevant area of rheology. The seventeen invited lectures are collected in the first volume of the proceedings.
Author : Francisco Chinesta
Publisher : Elsevier
ISBN 13 : 0081008120
Total Pages : 398 pages
Book Rating : 4.0/5 (81 download)
Download or read book Rheology of Non-spherical Particle Suspensions written by Francisco Chinesta and published by Elsevier. This book was released on 2015-10-06 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a review of the current understanding of the behavior of non-spherical particle suspensions providing experimental results, rheological models and numerical modeling. In recent years, new models have been developed for suspension rheology and as a result applications for nanocomposites have increased. The authors tackle issues within experimental, model and numerical simulations of the behavior of particle suspensions. Applications of non-spherical particle suspension rheology are widespread and can be found in organic matrix composites, nanocomposites, biocomposites, fiber-filled fresh concrete flow, blood and biologic fluids. Understand how to model and predict the final microstructure and properties of particle suspensions Explores nano, micro, meso and macro scales Rheology, thermomechanical and electromagnetic physics are discussed
