Bubbles In Polymeric Liquids
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Bubbles In Polymeric Liquids
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Author : S.P. Levitsky
language : en
Publisher: CRC Press
Release Date : 1995-01-09
Bubbles In Polymeric Liquids written by S.P. Levitsky and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-01-09 with Technology & Engineering categories.
From the Authors' Preface The advancements of technology . . . and chemical engineering have brought about extensive use of a wide range of rheologically complex materials, e.g., polymeric solutions and melts, suspensions, mixtures, oil products, fibre-forming substances, etc. that are characterized by diverse and, every so often, significant deviations from classical Newtonian behavior. Such materials are often used in conditions where the formation of vapor-gas bubbles or two-phase flow regimes is possible. This necessitates deep investigations into the thermo-hydrodynamic problems of liquids with bubbles for the case of a continuous phase with anomalous rheological properties. These conditions are typical of a number of applications and manufacturing processes, e.g., gas removal from polymeric solutions or melts in production of film, chemical fibres and other polymeric materials. . . . The bubbles containing gas or vapor-gas mixtures are often present in polymeric systems. This is because of a number of reasons, e.g., a low wettability of solid surfaces by polymers, the use of volatile solvents, abundance of vapor-gas nuclei, the capture of gas by porous or fibre-like polymeric particles during the polymer dissolution or melting, etc. Spontaneous evacuation of bubbles in polymeric media is usually complicated by a high viscosity of the liquid; therefore two-phase polymeric systems possess a higher sedimentation and aggregation stability than bubble mixtures in low-molecular-weight liquids. One of the main problems in the dynamics of vapor-liquid and gas-liquid systems is the investigation of heat and mass transfer and phase interactions in a liquid with bubbles. The decisive importance of this problem in the analysis of various aspects of the bubbly fluid behavior under diverse conditions, in particular, during a sound wave propagation, has given impetus to numerous researches. The current state of art in the investigation of Newtonian liquids with bubbles is described in voluminous literature. However, these problems have been much less studied for non-Newtonian systems. Behavior of bubbles in polymeric liquids is of great interest because of wide application in chemical technology. . . . In a number of processes connected with the application of polymeric fluids, the dynamic interaction of bubbles with liquid phase plays the key role. Such interaction in the case of a polymeric liquid phase are essentially influenced by the specific properties of macromolecular fluids, including primarily the rheological effects. These effects in the bubble dynamics combined with heat and mass transfer between the bubble content and the ambient liquid constitute the main subject of the analysis presented in this book. Macrokinetics Laboratory, and Full Professor at the Byelorussian Polytechnic Institute, Department of Heat and Power Engineering. Dr. Schulman is recognized as a leading authority in his field of investigation. Extensive Bibliography: A valuable feature of this new book is its extensive international bibliography, with 393 references.
Bubbles In Polymeric Liquids
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Author : Z.P. Shulman
language : en
Publisher:
Release Date : 2020
Bubbles In Polymeric Liquids written by Z.P. Shulman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.
Bubble Nucleation In Polymeric Liquids
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Author : James Hso-Pan Han
language : en
Publisher:
Release Date : 1988
Bubble Nucleation In Polymeric Liquids written by James Hso-Pan Han and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Nucleation categories.
Analysis Of Diffusion Induced Bubble Growth In Polymeric Liquids
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Author : Nadia Yala
language : en
Publisher:
Release Date : 1995
Analysis Of Diffusion Induced Bubble Growth In Polymeric Liquids written by Nadia Yala and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.
Two Phase Flow Of Gas Bubble Suspensions In Polymer Liquids
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Author : Kai Sun
language : en
Publisher:
Release Date : 1982
Two Phase Flow Of Gas Bubble Suspensions In Polymer Liquids written by Kai Sun and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Fluid dynamics categories.
Mechanics And Physics Of Bubbles In Liquids
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Author : Leen van Wijngaarden
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Mechanics And Physics Of Bubbles In Liquids written by Leen van Wijngaarden and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
A IUTAM (International Union of Theoretical and Applied Mechanics) Sympo sium 'Mechanics and Physics of Bubbles in Liquids' was held at Pasadena, Calif., USA from 15 through 19 June 1981. The present volume contains the printed version of nearly all papers read at the Symposium. The study of the behaviour of bubbles in liquids was originally stimu lated by problems in cavitation and in boiling ofliquids. Today research is initiated by problems in many other fields as well. In this respect a growing interest from the side of biomechanics may be mentioned. Ordering of the papers could be done either according to the various mechanical and physical aspects of the subject or according to the fields of application. The presentaton at the Symposium contained a bit of both; there was a session on physico-chemical aspects for example and also a session on biological applications. The subdivision in this volume follows roughly the sessions in the Symposium. Most of them start with a paper of a survey nature, reporting progress made in recent years. Here, as in other fields of engineering science, one notes the important part played by experimental techniques and by numerical analysis.
A Model Describing The Steady State Pyrolsis Of Bubble Forming Polymers In Response To An Incident Heat Flux
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Author : Indrek S. Wichman
language : en
Publisher:
Release Date : 1985
A Model Describing The Steady State Pyrolsis Of Bubble Forming Polymers In Response To An Incident Heat Flux written by Indrek S. Wichman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Bubbles categories.
A theoretical model is developed to describe the in-depth effect of bubbles on the steady-state transport of volatile gases (monomer) from the surface of a polymer subjected to an incident heat flux. In this model the effect of the bubbles on the surrounding (liquid) polymer is felt through the bubble number distribution function, n, which appears in the equations for conservation of mass, momentum, species and energy in the melt. The equation for the evolution of n includes the effects of bubble growth, convection and nucleation; its derivation requires preliminary study of the growth and motion of an individual bubble in a liquid with a temperature gradient. With these equations, formulas for the mass flux of volatiles from the polymer surface and the bubble void fraction are developed, for the special case of constant polymer mass fraction.
Cavitation In Non Newtonian Fluids
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Author : Emil Brujan
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-09-28
Cavitation In Non Newtonian Fluids written by Emil Brujan and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-09-28 with Technology & Engineering categories.
Non-Newtonian properties on bubble dynamics and cavitation are fundamentally different from those of Newtonian fluids. The most significant effect arises from the dramatic increase in viscosity of polymer solutions in an extensional flow, such as that generated about a spherical bubble during its growth or collapse phase. In addition, many biological fluids, such as blood, synovial fluid, and saliva, have non-Newtonian properties and can display significant viscoelastic behaviour. This monograph elucidates general aspects of bubble dynamics and cavitation in non-Newtonian fluids and applies them to the fields of biomedicine and bioengineering. In addition it presents many examples from the process industries. The field is strongly interdisciplinary and the numerous disciplines involve have and will continue to overlook and reinvent each others’ work. This book helps researchers to think intuitively about the diverse physics of these systems, to attempt to bridge the various communities involved, and to convey the interest, elegance, and variety of physical phenomena that manifest themselves on the micrometer and microsecond scales.
Bubbles Drops And Particles In Non Newtonian Fluids
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Author : Raj P. Chhabra
language : en
Publisher: CRC Press
Release Date : 2023-08-31
Bubbles Drops And Particles In Non Newtonian Fluids written by Raj P. Chhabra and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-08-31 with Science categories.
Provides thorough coverage of the scientific foundations and the latest advances in particle motion in non-Newtonian media. Proveds a new detailed section on the effect of confinement on heat transfer from bluff-bodies Demonstrates how dynamic behavior of single particles can yield useful information for modeling transport processes in complex multiphase flows. Addresses heat transfer in viscoplastic fluids throughout the entire book. Highlights qualitative differences between the response of a Newtonian and non-Newtonian fluids in the complex flows encountered in processing applications
Bubbles Drops And Particles In Non Newtonian Fluids
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Author : R.P. Chhabra
language : en
Publisher: CRC Press
Release Date : 2006-07-25
Bubbles Drops And Particles In Non Newtonian Fluids written by R.P. Chhabra and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-07-25 with Science categories.
Bubbles, Drops, and Particles in Non-Newtonian Fluids, Second Edition continues to provide thorough coverage of the scientific foundations and the latest advances in particle motion in non-Newtonian media. The book demonstrates how dynamic behavior of single particles can yield useful information for modeling transport processes in complex multipha