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Stability Analysis Of Gravity Driven Viscosity Stratified Coating Flows
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Book Synopsis Stability Analysis of Gravity-driven Viscosity-stratified Coating Flows by : Jan Figa
Download or read book Stability Analysis of Gravity-driven Viscosity-stratified Coating Flows written by Jan Figa and published by . This book was released on 1995 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: This theoretical investigation presents the linear stability analysis of a gravity-driven and viscosity-stratified coating flow useful in covering a planar surface with one or more liquid layers. The challenging stability analysis of a coating flow on a curved substrate surface is discussed. The mathematical foundation on which to analyse the stability of this inherently spatial coating flow problem is provided by a Green's impulse function approach which serves as the appropriate mathematical tool to describe (arbitrary) disturbances imposed on the liquid surface. The temporal analysis showed that a two-layered Newtonian coating flow is susceptible to an instability due to viscosity stratification even without the effects of surface tension, density stratification or, surprisingly, inertia. In addition, waves with the largest growth typically occur at finite wavelengths; the properties of these waves are often of greatest practical interest. However, the temporal growth rate, for the maximally unstable mode, of order 0.0015 was small. The mathematically proper ray-speed approach, originating from a steepest descent method to determine the perturbed film thickness, removed the interpretational quandary present in the classical spatial approach and corroborated the temporal linear stability results.
Book Synopsis Theoretical and Applied Mechanics Report by :
Download or read book Theoretical and Applied Mechanics Report written by and published by . This book was released on 1998 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fluid Dynamics at Interfaces by : Wei Shyy
Download or read book Fluid Dynamics at Interfaces written by Wei Shyy and published by Cambridge University Press. This book was released on 1999-09-28 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book experts discuss research and applications in interfacial fluid dynamics.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1996 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied mechanics reviews written by and published by . This book was released on 1948 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1995 with total page 896 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Liquid Film Coating by : P.M. Schweizer
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.
Book Synopsis Asymptotic Studies of Gravity-driven Reacting Coating Flows and Pultrusion Processes by : Quan Qi
Download or read book Asymptotic Studies of Gravity-driven Reacting Coating Flows and Pultrusion Processes written by Quan Qi and published by . This book was released on 1992 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coating flows have many very important applications in engineering. The first part of this thesis deals with gravity-driven reacting coating flows down an inclined plane. When the reaction activation energy is large and heat release is significant, long wave theory and large activation energy asymptotics are applied jointly to derive a consistent set of governing equations, which describe wave formation on the free surface and evolution of the reaction front. The key feature shown by the solution is the coupling of the free surface with the reaction front. When the reaction activation energy is small and heat release is insignificant, long wave theory leads to a single governing equation for wave formation on the free surface. Unlike its traditional counterpart, this equation has variable coefficients attributed to the effect of variable viscosity. The solution of this equation shows that linear, as well as, nonlinear wave formations differ appreciably from the constant viscosity coating flows. Pultrusion is a composite manufacturing process. Issues such as variable viscosity resin flows through a collection of fibers, pressure distribution, pulling force, etc. are examined in the second part of this thesis. Large activation energy asymptotics is again applied so that polymerization can be assumed to take place in a thin reaction front. Solutions of pressure & temperature distributions, shape of the reaction front and relation between pulling force and other factors lead to a better understanding about pultrusion. The asymptotic results are simple and provide insight into the mechanisms that characterize a successful operation. Some of the results are simple enough to be used directly to guide the pultrusion operations.
Book Synopsis Enhanced Hydrogen Concentrations Ahead of Rounded Notches and Cracks-- Competition Between Plastic Strain and Hydrostatic Constraint by : Jon M. Lufrano
Download or read book Enhanced Hydrogen Concentrations Ahead of Rounded Notches and Cracks-- Competition Between Plastic Strain and Hydrostatic Constraint written by Jon M. Lufrano and published by . This book was released on 1996 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Centrifugal and Coriolis Forces on Chimney Convection During Alloy Solidification by : Daniel N. Riahi
Download or read book Effects of Centrifugal and Coriolis Forces on Chimney Convection During Alloy Solidification written by Daniel N. Riahi and published by . This book was released on 1996 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Small Viscosity and Boundary Layer Methods by : Guy Métivier
Download or read book Small Viscosity and Boundary Layer Methods written by Guy Métivier and published by . This book was released on 2004 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book has evolved from lectures and graduate courses given in Brescia (Italy), Bordeaux and Toulouse (France};' It is intended to serve as an introƯ duction to the stability analysis of noncharacteristic multidimensional small viscosity boundary layers developed in (MZl]. We consider parabolic singular perturbations of hyperbolic systems L(u) - £P(u) = 0, where L is a nonlinear hyperbolic first order system and P a nonlinear spatially elliptic term. The parameter e measures the strength of the diffusive effects. With obvious reference to fluid mechanics, it is referred to as a "viscosity." The equation holds on a domain n and is supplemented by boundary conditions on an. The main goal of this book is to studythe behavior of solutions as etends to O. In the interior of the domain, the diffusive effects are negligible and the nondiffusive or inviscid equations (s = 0) are good approximations. However, the diffusive effects remain important in a small vicinity of the boundary where they induce rapid fluctuations of the solution, called layers. Boundary layers occur in many problems in physics and mechanics. They also occur in free boundary value problems, and in particular in the analysis of shock waves. Indeed, our study of noncharacteristic boundary layers is strongly motivated by the analysis of multidimensional shock waves. At the least, it is a necessary preliminary and important step. We also recall the importance of the viscous approach in the theoretical analysis ofconservation laws (see, e.g., [Lax], (Kru], (Bi-Br])
Author :University of Illinois at Urbana-Champaign. Engineering Documents Center Publisher : ISBN 13 : Total Pages :138 pages Book Rating :4.:/5 (31 download)
Book Synopsis Engineering Documents Center Index by : University of Illinois at Urbana-Champaign. Engineering Documents Center
Download or read book Engineering Documents Center Index written by University of Illinois at Urbana-Champaign. Engineering Documents Center and published by . This book was released on 1995 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stability and Evolution of Gravity-driven Flow in Porous Media by : Gert-Jan Joseph Mathilde Pieters
Download or read book Stability and Evolution of Gravity-driven Flow in Porous Media written by Gert-Jan Joseph Mathilde Pieters and published by . This book was released on 2004 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Falling Liquid Films by : S. Kalliadasis
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.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 1016 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Mathematical Reviews written by and published by . This book was released on 2005 with total page 1852 pages. Available in PDF, EPUB and Kindle. Book excerpt:
