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Author : Wirogana Ruengphrathuengsuka
Publisher :
ISBN 13 :
Total Pages : 368 pages
Book Rating : 4.:/5 (288 download)
Download or read book Bubble Nucleation and Growth Dynamics in Polymer Melts written by Wirogana Ruengphrathuengsuka and published by . This book was released on 1992 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ho-young Kwak
Publisher :
ISBN 13 : 9781536169973
Total Pages : 372 pages
Book Rating : 4.1/5 (699 download)
Download or read book Bubble Nucleation and Dynamics written by Ho-young Kwak and published by . This book was released on 2020-04-21 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: For phenomena involving bubble nucleation, the molecular cluster model is used to predict the tensile strength and superheat limit of liquids and the amount of decompression for gaseous bubble nucleation in supersaturated solutions. The book investigates various gaseous bubble nucleation events including the bubble formation in gas-water solutions, CO bubble formation in iron melts, the formation of microcellular foams in polymers, the nucleation of nano-sized H2O bubbles in rhyolite melts, and bubble nucleation in shear flow fields. The book also investigates vaporous bubble nucleation events such as bubble formation on a cavity-free surface and inside a solid nanopore in 3M NaCl solution, superheat limit of liquids, and bubble nucleation near the absolute zero temperature by quantum tunnelling in liquid helium. For bubble dynamics phenomena, a set of homologous solutions of the Navier-Stokes equations for evolving spherical bubbles are used to treat gaseous bubble growth in organic solutions, polymer solutions, and in viscous rhyolitic melts. The growth and collapse of laser-induced vapor bubbles in liquid, and on solid particles is discussed as an example of homologous motion of the spherical object. Sonoluminescence phenomena in water and in sulfuric acid solutions, the pressure and shock wave propagation in bubbly mixtures, the gravitational collapse of Newtonian stars, and the core collapse of supernovas are also treated using these homologous solutions. The motion of a fire-ball generated by a TNT explosion underwater is obtained using a zero gravitational constant in the equation of motion for Newtonian stars.
Author : S.P. Levitsky
Publisher : CRC Press
ISBN 13 : 9781566762472
Total Pages : 316 pages
Book Rating : 4.7/5 (624 download)
Download or read book Bubbles in Polymeric Liquids written by S.P. Levitsky and published by CRC Press. This book was released on 1995-01-09 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Ramon Albalak
Publisher : Routledge
ISBN 13 : 1351423592
Total Pages : 737 pages
Book Rating : 4.3/5 (514 download)
Download or read book Polymer Devolatilization written by Ramon Albalak and published by Routledge. This book was released on 2017-09-29 with total page 737 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work introduces the fundamental background necessary to understand polymer devolatilization. It elucidates the actual mechanisms by which the devolatilization of polymer melts progresses, and discusses virtually every type of devolatilization equipment available. The work also addresses devolatilization in various geometries and types of equipment, describing the use of falling strand, slit, single-screw, co-rotating and counter-rotating twin-screw devolatilization.
Author : S.-T. Lee
Publisher : CRC Press
ISBN 13 : 1439898596
Total Pages : 636 pages
Book Rating : 4.4/5 (398 download)
Download or read book Foam Extrusion written by S.-T. Lee and published by CRC Press. This book was released on 2014-04-07 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combining the science of foam with the engineering of extrusion processes, Foam Extrusion: Principles and Practice delivers a detailed discussion of the theory, design, processing, and application of degradable foam extraction. In one comprehensive volume, the editors present the collective expertise of leading academic, research, and industry specialists while laying the scientific foundation in such a manner that the microscopic transition from a nucleus to a void (nucleation) and macroscopic movement from a void to an object (formation) are plausibly addressed. To keep pace with significant improvements in foam extrusion technology, this Second Edition: Includes new chapters on the latest developments in processing/thermal management, rheology/melt strength, and biodegradable and sustainable foams Features extensive updates to chapters on extrusion equipment, blowing agents, polyethylene terephthalate (PET) foam, and microcellular innovation Contains new coverage of cutting-edge foaming mechanisms and technology, as well as new case studies, examples, and figures Capturing the interesting evolution of the field, Foam Extrusion: Principles and Practice, Second Edition provides scientists, engineers, and product development professionals with a modern, holistic view of foam extrusion to enhance research and development and aid in the selection of the optimal screw, die design, and foaming system.
Author : Suprakas Sinha Ray
Publisher : Elsevier
ISBN 13 : 0323907687
Total Pages : 296 pages
Book Rating : 4.3/5 (239 download)
Download or read book Foamability of Thermoplastic Polymeric Materials written by Suprakas Sinha Ray and published by Elsevier. This book was released on 2021-09-24 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Foamability of Thermoplastic Polymeric Materials presents a cutting-edge approach to thermoplastic polymeric foams, drawing on the latest research and guiding the reader through the fundamental science, foamability, structure-property-processing relationship, multi-phase polymeric materials, degradation characteristics of biodegradable foams and advanced applications. Sections provide detailed information on foam manufacturing technologies and the fundamental science behind foaming, present insights on the factors affecting foamability, cover ways of enhancing the foamability of various polymeric materials, with special focus on multi-phase systems, discuss the degradation of biodegradable foams and special morphology development for scaffolds, packaging, acoustic and super-insulation applications, as well as cell seeding studies in scaffolds. Each application has specific requirements in terms of desired properties. This in-depth coverage and analysis helps those looking to move forward with microcellular processing and polymer foaming. This is an ideal resource for researchers, advanced students and professionals interested in the microcellular processing of polymeric materials in the areas of polymer foaming, polymer processing, plastics engineering and materials science. Offers in-depth coverage of factors affecting foamability and methods for enhancing the foamability of polymeric materials Explores innovative applications in a range of areas, including scaffolds, acoustic applications, packaging and super-insulation Provides a comprehensive, critical overview of the state-of-the-art, possible future research directions, and opportunities for industrial application
Author : Spe
Publisher : CRC Press
ISBN 13 : 9781566764438
Total Pages : 1400 pages
Book Rating : 4.7/5 (644 download)
Download or read book SPE/ANTEC 1996 Proceedings (Print version/ 3 volumes) written by Spe and published by CRC Press. This book was released on 1996-05-02 with total page 1400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Spe
Publisher : CRC Press
ISBN 13 : 9781566768559
Total Pages : 1214 pages
Book Rating : 4.7/5 (685 download)
Download or read book SPE/ANTEC 2000 Proceedings written by Spe and published by CRC Press. This book was released on 2000-05-05 with total page 1214 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 2 of the conference proceedings of the SPE/Antac on 'Materials', held on the 711 May 2000 in Orlando, Florida, USA.
Author : David Eaves
Publisher : iSmithers Rapra Publishing
ISBN 13 : 1859573886
Total Pages : 304 pages
Book Rating : 4.8/5 (595 download)
Download or read book Handbook of Polymer Foams written by David Eaves and published by iSmithers Rapra Publishing. This book was released on 2004 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Handbook reviews the chemistry, manufacturing methods, properties and applications of the synthetic polymer foams used in most applications. In addition, a chapter is included on the fundamental principles, which apply to all polymer foams. There is also a chapter on the blowing agents used to expand polymers and a chapter is on microcellular foams - a relatively new development where applications are still being explored.
Author :
Publisher : iSmithers Rapra Publishing
ISBN 13 : 9780902348738
Total Pages : 258 pages
Book Rating : 4.3/5 (487 download)
Download or read book Cellular Polymers written by and published by iSmithers Rapra Publishing. This book was released on 1991 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Richard Gendron
Publisher : CRC Press
ISBN 13 : 0203502167
Total Pages : 320 pages
Book Rating : 4.2/5 (35 download)
Download or read book Thermoplastic Foam Processing written by Richard Gendron and published by CRC Press. This book was released on 2004-10-28 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: As researchers seek replacements for banned, ozone-depleting foaming agents, the authors of Thermoplastic Foam Processing: Principles and Development strive to develop a better understanding of foaming processes and find solutions for day-to-day practice. This book presents the latest research in foam extrusion and physical foaming agents with a st
Author : John Robert Bric
Publisher :
ISBN 13 :
Total Pages : 354 pages
Book Rating : 4.:/5 (24 download)
Download or read book Towards an Understanding of the Effects of Bubble Nucleation, Growth and Rupture on Devolatilization written by John Robert Bric and published by . This book was released on 1989 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : George Wypych
Publisher : Elsevier
ISBN 13 : 1927885183
Total Pages : 259 pages
Book Rating : 4.9/5 (278 download)
Download or read book Handbook of Foaming and Blowing Agents written by George Wypych and published by Elsevier. This book was released on 2017-01-13 with total page 259 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Foaming and Blowing Agents provides useful guidance to assist practitioners in the more efficient and effective selection of foaming methods and blowing agents. The book focuses on the selection of additives for a diverse range of foaming processes, which can be enhanced using modern chemical means to improve product quality, speed up the process, and broaden the range of products that can be produced using foaming technology. Foamed polymers have many beneficial properties, including lower density, high heat and sound insulation, and shock absorbency. Foamed plastic parts are now a ubiquitous part of everyday life—from food packaging to seat cushions. As the application of foamed polymers expands and diversifies, a variety of foaming techniques and equipment are available to produce very diverse range of products. Foaming methods are generally established, but very little is known about the composition of materials to be processed and the additives to enhance foam products or make the foam production more economical. The book introduces useful analytical techniques for foaming, and thoroughly discusses the environmental impact of foaming processes. Introduces the fundamental mechanisms of action of blowing agents and foaming Includes best practice guidance to help engineers and technicians improve the efficiency of their existing foaming processes Enables practitioners to select blowing agents and foaming methods more effectively, reducing the risk of poor specification Introduces useful analytical techniques for foaming Discusses the environmental impact of foaming processes
Author : Shau-Tarng Lee
Publisher : CRC Press
ISBN 13 : 142000462X
Total Pages : 240 pages
Book Rating : 4.4/5 (2 download)
Download or read book Polymeric Foams written by Shau-Tarng Lee and published by CRC Press. This book was released on 2006-08-21 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymers are among the major hallmarks of 20th-century science, and the explosive outgrowth and tremendous importance of polymeric foams is a testament to their amazing versatility and unique properties. With applications from automotive to acoustic and medical, polymeric foams pervade all areas of our lives. If this growth is to continue into the
Author : Keng S. Liang
Publisher :
ISBN 13 :
Total Pages : 720 pages
Book Rating : 4.3/5 (91 download)
Download or read book Interface Dynamics and Growth: Volume 237 written by Keng S. Liang and published by . This book was released on 1992-05-29 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: The MRS Symposium Proceeding series is an internationally recognised reference suitable for researchers and practitioners.
Author : Boo Cheong Khoo
Publisher : American Mathematical Soc.
ISBN 13 : 0821842676
Total Pages : 202 pages
Book Rating : 4.8/5 (218 download)
Download or read book Moving Interface Problems and Applications in Fluid Dynamics written by Boo Cheong Khoo and published by American Mathematical Soc.. This book was released on 2008 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is a collection of research papers presented at the program on Moving Interface Problems and Applications in Fluid Dynamics, which was held between January 8 and March 31, 2007 at the Institute for Mathematical Sciences (IMS) of the National University of Singapore. The topics discussed include modeling and simulations of biological flow coupled to deformable tissue/elastic structure, shock wave and bubble dynamics and various applications including biological treatments with experimental verification, multi-medium flow or multi-phase flow and various applications including cavitation/supercavitation, detonation problems, Newtonian and non-Newtonian fluid, and many other areas. Readers can benefit from some recent research results in these areas.
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."
