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Author : Ian D. Gates
Publisher :
ISBN 13 :
Total Pages : 560 pages
Book Rating : 4.:/5 (319 download)
Download or read book Slot Coating Flows written by Ian D. Gates and published by . This book was released on 1999 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J.R.A. Pearson
Publisher : Springer Science & Business Media
ISBN 13 : 9400966342
Total Pages : 351 pages
Book Rating : 4.4/5 (9 download)
Download or read book Computational Analysis of Polymer Processing written by J.R.A. Pearson and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 351 pages. Available in PDF, EPUB and Kindle. Book excerpt: Large, fast, digital computers have been widely used in engineering practice and their use has had a large impact in many fields. Polymer processing is no exception, and there is already a substantial amount of literature describing ways in which processes can be analysed, designed or controlled using the potentialities of modern computers. The emphasis given varies with the application, and most authors tend to quote the results of their calculations rather than describing in any detail the way the calculations were undertaken or the difficulties experienced in carrying them out. We aim to give here as useful and connected an account as we can of a wide class of applications, for the benefit of scientists and engineers who find themselves working on polymer processing problems and feel the need to undertake such calculations. The major application we have in mind is the simulation of the dynamics ofthe various physical phenomena which arise in a polymer process treated as a complex engineering system. This requires that the system be reasonably well represented by a limited number of relatively simple subprocesses whose connections can be clearly identified, that the domi nant physical effects relevant to each subprocess can be well defined in a suitable mathematical form and that the sets of equations and boundary conditions developed to describe the whole system can be successfully discretised and solved numerically.
Author : P.M. Schweizer
Publisher : Springer Science & Business Media
ISBN 13 : 9401153426
Total Pages : 794 pages
Book Rating : 4.4/5 (11 download)
Download or read book Liquid Film Coating written by P.M. Schweizer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt: This multi-authored volume provides a comprehensive and in-depth account of the highly interdisciplinary science and technology of liquid film coating. The book covers fundamental principles from a wide range of scientific disciplines, including fluid mechanics aand transport phenomena, capillary hydrodynamics, surface and colloid science. The authors, all acknowledged eperts in their fields, represent a balance between industrial and academic points of view. Throughout the text, many case studies illustrate how scientific principles together with advanced experimental and theoretical methods are applied to develop and optimize manufacturing processes of eve increasing sophiatication and efficiency. In the first part of the book, the authors systematically recount the underlying physical principles and important material properties. The second part of the book gives a comprehensive overview of the most advanced experimental, mathematical and computational methods available today to investigate coating processes. The third part provides an overview and critical literature review for all major classes of liquid film coating processes of industrial importance.
Author : Edgar B. Gutoff
Publisher : John Wiley & Sons
ISBN 13 : 0470044128
Total Pages : 361 pages
Book Rating : 4.4/5 (7 download)
Download or read book Coating and Drying Defects written by Edgar B. Gutoff and published by John Wiley & Sons. This book was released on 2006-08-25 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: A practical guide for ensuring a defect-free coating and drying process For professionals in the coating and drying industry, the world is a demanding place. New, technically complex products such as fuel cell membranes, thin film batteries, solar cells, and RFID chips require coatings of extreme precision. With the bar raised so high, understanding how to troubleshoot and eliminate defects on a coating line is an essential skill for all personnel. Coating and Drying Defects, Second Edition provides manufacturing and quality control personnel, equipment operators and supervisors, and plant engineers and scientists with the full complement of proven tools and techniques for detecting, defining, and eliminating coating defects and operating problems, and for ensuring that they do not recur. Updating the valuable contents of the first edition, this practical Second Edition: Describes all major processes for coating and drying of continuous film on sheets or webs Covers technologies that have been recently developed to prevent defect formation and improve operating procedures Provides a rational framework within which to assess and analyze virtually any defect that may arise Offers step-by-step guidelines for conducting every phase of the troubleshooting process, including defect prevention Going beyond simply describing a disparate set of troubleshooting techniques, this unique guide arms readers with a systematic, nonmathematical methodology encompassing the entire coating operation, becoming an indispensable resource for manufacturing and quality-control personnel as well as plant engineers, polymer scientists, surface scientists, organic chemists, and coating scientists.
Download or read book Flow Simulation of The Slot-Die Coating Process written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Philip H Gaskell
Publisher : World Scientific
ISBN 13 : 9814602582
Total Pages : 426 pages
Book Rating : 4.8/5 (146 download)
Download or read book Mechanics Of Thin Film Coatings, The - Proceedings Of The First European Coating Symposium written by Philip H Gaskell and published by World Scientific. This book was released on 1996-05-04 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains three keynote presentations, given by experts in the field of experimental methods, rheology and the modeling of coating dies. Included also are 40 contributions drawn from the following areas of coating research and application: instability and coating defects; surface treatment; spreading and leveling; experimental investigations; surface tension and gravity driven flows; roll and gravure coating; rheological effects in coating processes.As such, these proceedings should prove a valuable resource for both researchers and coating practitioners.
Author : Neil Daniels
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (817 download)
Download or read book Instabilities in Roll and Slot Coating Flows written by Neil Daniels and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis is concerned primarily with the investigation, both analytically and numerically, of instabilities in reverse- and forward-roll and slot coating flows. Consideration is restricted to Newtonian, incompressible fluids in the absence of inertial forces. The onset of the ribbing instability in inlet flooded, reverse roll coating is examined first by applying linear stability theory to a base flow formulated using lubrication theory. Regions of instability are established and found to be in accord with experimental observation. These results are then compared with predictions from a stability hypothesis based on a two-dimensional force balance argument. This simple criterion shows that the effect of various parameters on the stability of the downstream free surface can be ascertained by examining their influence on the pressure gradient and meniscus location. The stability hypothesis is shown to underpredict the critical capillary number and so is only sufficient for predicting stability. Results are also compared to ones obtained numerically by applying linear stability theory to finite element solutions for the entire flow field, the principal difference being that the analytical approach overpredicts the critical capillary number for the onset of instability. A variation of inlet flooded, reverse roll coating is then studied in which the nip is fed from above by a large reservoir of fluid (i.e. a hydrostatic head). The influence of this head on the base flow (obtained using lubrication theory) and its stability is then investigated. An improved model of the dynamic contact line, developed by Shikhmurzaev [1993a] is described in which the dynamic contact angle is no longer kept constant, but is a function of various fluid and geometrical parameters. The limit of this theory for small capillary number is incorporated into the analytical model from which its effect on the base flow and stability is examined. Instabilities in forward roll coating are then investigated. The inlet flooded case is studied using linear stability analysis, a stability hypothesis and the finite element method. As in reverse roll coating, the stability hypothesis at the downstream free surface is sufficient for predicting stability only. The finite element method, on the other hand, leads to solutions that are in close agreement with linear stability theory, unlike the reverse roll case. Inlet starved forward roll coating is examined next and, as with the inlet flooded case, the ribbing instability can still manifest at the downstream free surface. The presence of an instability known as bead break, noted experimentally by Malone [1992] and Gaskell et al [1998], is verified analytically using linear stability theory. It is then shown that a stability hypothesis applied at the upstream free surface gives an accurate description of stability (unlike at the downstream free surface). Finally, the slot coating geometry is explored. A geometrically flexible finite element code is described for which it is possible to use various lip shapes and a roll of variable radius and location (with respect to the slot). Initially, as has always been the case in previous work reported in the literature, the numerical mesh incorporates a downstream wetting line pinned at the lip edge and the effect of the various fluid and geometrical parameters on the resultant pressure profile and upstream meniscus location is examined. These numerical results are seen to compare favourably with predictions obtained analytically using a model based on lubrication theory. However, Sartor [1990] showed that the downstream wetting line does not always remain pinned, but can climb up the die shoulder or regress into the coating gap. This has been confirmed experimentally by Kapur [1998] who also notes that ribs only appear when operating in the unpinned regime. Hence, the case in which the downstream, static contact line has retreated from the lip edge towards the inlet is studied. Pressure profiles and meniscus locations are compared with those for the case of a pinned downstream wetting line and the numerical linear stability analysis used to determine the effect of the fluid and geometrical parameters on the stability of the downstream free surface.
Author : Prasannarao Dontula
Publisher :
ISBN 13 :
Total Pages : 554 pages
Book Rating : 4.:/5 (319 download)
Download or read book Polymer Solutions in Coating Flows written by Prasannarao Dontula and published by . This book was released on 1999 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edward D. Cohen
Publisher : Wiley-VCH
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.F/5 ( download)
Download or read book Modern Coating and Drying Technology written by Edward D. Cohen and published by Wiley-VCH. This book was released on 1992 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jehuda Greener
Publisher : John Wiley & Sons
ISBN 13 : 1119163811
Total Pages : 491 pages
Book Rating : 4.1/5 (191 download)
Download or read book Roll-to-Roll Manufacturing written by Jehuda Greener and published by John Wiley & Sons. This book was released on 2018-02-27 with total page 491 pages. Available in PDF, EPUB and Kindle. Book excerpt: A single-volume resource featuring state-of-the art reviews of key elements of the roll-to-roll manufacturing processing methodology Roll-to-roll (R2R) manufacturing is an important manufacturing technology platform used extensively for mass-producing a host of film-type products in several traditional industries such as printing, silver-halide photography, and paper. Over the last two decades, some of the methodologies and know-how of R2R manufacturing have been extended and adapted in many new technology areas, including microelectronics, display, photovoltaics, and microfluidics. This comprehensive book presents the state-of-the-art unit operations of the R2R manufacturing technology, providing a practical resource for scientists, engineers, and practitioners not familiar with the fundamentals of R2R technology. Roll-to-Roll Manufacturing: Process Elements and Recent Advances reviews new developments in areas such as flexible glass, display, and photovoltaics and covers a number of process innovations implemented recently to extend and improve the capabilities of traditional R2R lines. It covers such topics as: coating and solidification processes, in-line vacuum deposition, drying, web handling and winding, polymer film substrates, novel hybrid composite films, flexible solar cells and more. Additionally, this book: Examines key elements (unit operations) of the R2R technology, and discusses how these elements are utilized and integrated to achieve desired process efficiencies in a host of applications. Illustrates several established and novel application areas where R2R processing is utilized in current or future products. Discusses process design methodology and key advantages of R2R manufacturing technology over batch or sheet-to-sheet operations. Roll-to-Roll Manufacturing: Process Elements and Recent Advances is an ideal book for undergraduate and graduate students in various science and engineering disciplines, as well as for scientists, engineers, and technical and business leaders associated in any way with the development, commercialization, and manufacture of a variety of film products.
Author : Denis Cohen
Publisher :
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.:/5 (39 download)
Download or read book Two-layer Slot Coating written by Denis Cohen and published by . This book was released on 1993 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jinjun Wang
Publisher : Cambridge University Press
ISBN 13 : 1107161568
Total Pages : 293 pages
Book Rating : 4.1/5 (71 download)
Download or read book Flow Control Techniques and Applications written by Jinjun Wang and published by Cambridge University Press. This book was released on 2019 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: Master the theory, applications and control mechanisms of flow control techniques.
Author : Schmitt, Marcel
Publisher : KIT Scientific Publishing
ISBN 13 : 3731504774
Total Pages : 202 pages
Book Rating : 4.7/5 (315 download)
Download or read book Slot die coating of lithium-ion battery electrodes written by Schmitt, Marcel and published by KIT Scientific Publishing. This book was released on 2016-04-04 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Li-ion battery technology could help to accelerate the transition towards renewable energy sources. In the manufacturing chain, the electrode processing by slot die coating is one of the most crucial steps. Increased line speeds and reduced scrap rates could help decrease these costs. The scope of this work is therefore the scientific elaboration of the process limits of single and subdivided, simultaneous coated multilayer films, a minimizing of edge effects and intermittent coatings.
Author : Michel Andre Aegerter
Publisher : Springer Science & Business Media
ISBN 13 : 0387889531
Total Pages : 474 pages
Book Rating : 4.3/5 (878 download)
Download or read book Sol-Gel Technologies for Glass Producers and Users written by Michel Andre Aegerter and published by Springer Science & Business Media. This book was released on 2013-03-19 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sol-Gel Techniques for Glass Producers and Users provides technological information, descriptions and characterizations of prototypes, or products already on the market, and illustrates advantages and disadvantages of the sol-gel process in comparison to other methods. The first chapter entitled "Wet Chemical Technology" gives a summary of the basic principles of the sol-gel chemistry. The most promising applications are related to coatings. Chapter 2 describes the various "Wet Chemical Coating Technologies" from glass cleaning to many deposition and post-coating treatment techniques. These include patterning of coatings through direct or indirect techniques which have became very important and for which the sol-gel processing is particularly well adapted. Chapter 3 entitled "Bulk Glass Technologies" reports on the preparation of special glasses for different applications. Chapter 4 entitled "Coatings and Materials Properties" describes the properties of the different coatings and the sol-gel materials, fibers and powders. The chapter also includes a section dedicated to the characterization techniques especially applied to sol-gel coatings and products.
Author : S. Kalliadasis
Publisher : Springer Science & Business Media
ISBN 13 : 1848823673
Total Pages : 446 pages
Book Rating : 4.8/5 (488 download)
Download or read book Falling Liquid Films written by S. Kalliadasis and published by Springer Science & Business Media. This book was released on 2011-09-24 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: Falling Liquid Films gives a detailed review of state-of-the-art theoretical, analytical and numerical methodologies, for the analysis of dissipative wave dynamics and pattern formation on the surface of a film falling down a planar inclined substrate. This prototype is an open-flow hydrodynamic instability, that represents an excellent paradigm for the study of complexity in active nonlinear media with energy supply, dissipation and dispersion. It will also be of use for a more general understanding of specific events characterizing the transition to spatio-temporal chaos and weak/dissipative turbulence. Particular emphasis is given to low-dimensional approximations for such flows through a hierarchy of modeling approaches, including equations of the boundary-layer type, averaged formulations based on weighted residuals approaches and long-wave expansions. Whenever possible the link between theory and experiment is illustrated, and, as a further bridge between the two, the development of order-of-magnitude estimates and scaling arguments is used to facilitate the understanding of basic, underlying physics. This monograph will appeal to advanced graduate students in applied mathematics, science or engineering undertaking research on interfacial fluid mechanics or studying fluid mechanics as part of their program. It will also be of use to researchers working on both applied, fundamental theoretical and experimental aspects of thin film flows, as well as engineers and technologists dealing with processes involving isothermal or heated films. This monograph is largely self-contained and no background on interfacial fluid mechanics is assumed.
Author : Hiroshi Nagai
Publisher :
ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.:/5 (156 download)
Download or read book Modeling Slot Coating Start-up Flow written by Hiroshi Nagai and published by . This book was released on 1999 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Joseph Fermin
Publisher :
ISBN 13 :
Total Pages : 584 pages
Book Rating : 4.:/5 (319 download)
Download or read book Electrohydrodynamic Coating Flows written by Robert Joseph Fermin and published by . This book was released on 2001 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt:
