The Dynamics Of Thin Fluid Films

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The Dynamics Of Thin Fluid Films

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Author :
language : en
Publisher:
Release Date : 2001

The Dynamics Of Thin Fluid Films written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.

The Dynamics Of Thin Liquid Films

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Author : Michael Paul Ida
language : en
Publisher:
Release Date : 1995

The Dynamics Of Thin Liquid Films written by Michael Paul Ida 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.

Dynamics Of Thin Liquid Films

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Author : Vilhjalmur Ludviksson
language : en
Publisher:
Release Date : 1968

Dynamics Of Thin Liquid Films written by Vilhjalmur Ludviksson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Hydrodynamics categories.

The Dynamics Of Thin Liquid Films

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Author :
language : en
Publisher:
Release Date : 2004

The Dynamics Of Thin Liquid Films written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.

Thin Liquid Films

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Author : Ralf Blossey
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-05-22

Thin Liquid Films written by Ralf Blossey 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 2012-05-22 with Science categories.

This book is a treatise on the thermodynamic and dynamic properties of thin liquid films at solid surfaces and, in particular, their rupture instabilities. For the quantitative study of these phenomena, polymer thin films (sometimes referred to as “ultrathin”) have proven to be an invaluable experimental model system. What is it that makes thin film instabilities special and interesting? First, thin polymeric films have an important range of applications. An understanding of their instabilities is therefore of practical relevance for the design of such films. The first chapter of the book intends to give a snapshot of current applications, and an outlook on promising future ones. Second, thin liquid films are an interdisciplinary research topic, which leads to a fairly heterogeneous community working on the topic. It justifies attempting to write a text which gives a coherent presentation of the field which researchers across their specialized communities might be interested in. Finally, thin liquid films are an interesting laboratory for a theorist to confront a well-established theory, hydrodynamics, with its limits. Thin films are therefore a field in which a highly fruitful exchange and collaboration exists between experimentalists and theorists. The book stretches from the more concrete to more abstract levels of study: we roughly progress from applications via theory and experiment to rigorous mathematical theory. For an experimental scientist, the book should serve as a reference and guide to what is the current consensus of the theoretical underpinnings of the field of thin film dynamics. Controversial problems on which such a consensus has not yet been reached are clearly indicated in the text, as well as discussed in a final chapter. From a theoretical point of view, the field of dewetting has mainly been treated in a mathematically ‘light’ yet elegant fashion, often making use of scaling arguments. For the untrained researcher, this approach is not always easy to follow. The present book attempts to bridge between the ‘light’ and the ‘rigorous’, always with the ambition to enhance insight and understanding - and to not let go the elegance of the theory.

The Dynamics Of Thin Liquid Films In Rotating Tubes

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Author : J. T. Dakin
language : en
Publisher:
Release Date : 1978

The Dynamics Of Thin Liquid Films In Rotating Tubes written by J. T. Dakin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with categories.

Dynamics In Thin Freely Suspended Fluid Films

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Author : Sarah Dölle
language : en
Publisher:
Release Date : 2018

Dynamics In Thin Freely Suspended Fluid Films written by Sarah Dölle and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with Drops categories.

Fluid Dynamics Of Thin Films In Semiconductor Manufacturing Processes

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Author : Yang Hun Ban
language : en
Publisher:
Release Date : 2021

Fluid Dynamics Of Thin Films In Semiconductor Manufacturing Processes written by Yang Hun Ban and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.

Nanostructures and nanomaterials are means to dramatically improve the performance of LEDs, solar cells, hard disk drives, laser diodes, and displays. This improvement comes from fabricating nanostructures inside or on the surface of a substrate. Fabrication of these nanostructures often involves the coating and imprinting of thin films onto a substrate. However, defects produced during the manufacturing process destroy the functionality of nanostructures. Thus, the fluid dynamics of thin fluid films involved in the manufacturing process is an interesting scientific and engineering problem. The first system studied in this dissertation is the UVNIL. It is a promising high-resolution nanopatterning process and a key technique for the commercialization of nanostructure applications. However, the UVNIL suffers from low throughput. The bottleneck is the resist filling step, so the fluid flow in UVNIL has been studied extensively to find the minimum time required for completing filling of features can be found by studying the flow behavior of resist. The second system is a thin film resist used in the lithography industry. Thin liquid coatings, which have thicknesses of tens of nanometers, are frequently used in lithography. However, generating ultra-thin films is challenging because thinner films are more susceptible to defects and disturbances. Efforts to model the evolution of film profile have been made and flow and leveling dynamics of thin-film were modelled successfully

Dynamic Evolution Of Thin Liquid Films Over Curved Substrates

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Author : Xingyi Shi
language : en
Publisher:
Release Date : 2022

Dynamic Evolution Of Thin Liquid Films Over Curved Substrates written by Xingyi Shi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with categories.

We encounter thin liquid films on a daily basis. The micron-thick tear film coating the cornea ensures the clarity of our vision. Pulmonary surfactants coating the air-liquid interface in the alveoli enable us to breath. Lubricant foaming in a gear box can lead to machine degradation and unsafe operations. Textile dye solution films drying unevenly can leave undesirable marks on the fabric. A fundamental understanding of thin liquid film stability is key to optimizing the compositions of the base liquid to suit our needs and applications. In this research, we examine the effects of liquid composition and substrate materials on the dynamics of thin liquid films by building heat and mass transfer models and conducting interferometric experiments via the dynamic fluid-film interferometer. The geometry of a thin liquid film dictates that the liquid-air interactions are critical in affecting the dynamics of the films. Many such interactions can lead to an uneven distribution of surface tension, creating Marangoni flow. The interplay between the Marangoni flow and other physical forces such as capillarity and gravity govern the dynamics of most thin liquid films. A key part of the work focuses on one of the simplest systems that captures all of the major physical forces at play in a thin liquid film: evaporating binary silicone oil films over a glass dome or an air bubble. The binary silicone oil composes of two silicone oils with different viscosity, surface tension, and evaporation rate. Evaporation and the curvature of the substrates create a thin film with varying thickness and composition, thereby surface tension. In the experimental system, a thin film is formed by forcing the curved substrate upward until the apex of the substrate penetrates the initially flat air/liquid interface. The forcing is then stopped and the evolution of the film is recorded by a camera positioned directly above the thin film. Combining experimental observations and theoretical modeling, we elucidate the mechanisms behind the resulting dramatic thin film dynamics. For a binary silicone oil film over a glass dome, at low volume fractions of the less evaporative species ( 0.3%), the liquid film remains axisymmetric and is stabilized by van der Waals interactions and Marangoni flows [1]. At higher concentrations ( 0.35%), the increase in Marangoni flow leads to a film that is more susceptible to ambient disturbances, resulting in asymmetry breakage events [2]. Faster dynamics are observed for an oil film over an air bubble, due to the reduction in resistance to flow. At low volume fractions of the more evaporative species (

Complex Wave Dynamics On Thin Films

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Author : Hen-hong Chang
language : en
Publisher: Elsevier
Release Date : 2002-03-14

Complex Wave Dynamics On Thin Films written by Hen-hong Chang and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-03-14 with Technology & Engineering categories.

Wave evolution on a falling film is a classical hydrodynamic instability whose rich wave dynamics have been carefully recorded in the last fifty years. Such waves are known to profoundly affect the mass and heat transfer of multi-phase industrial units. This book describes the collective effort of both authors and their students in constructing a comprehensive theory to describe the complex wave evolution from nearly harmonic waves at the inlet to complex spatio-temporal patterns involving solitary waves downstream. The mathematical theory represents a significant breakthrough from classical linear stability theories, which can only describe the inlet harmonic waves and also extends classical soliton theory for integrable systems to real solitrary wave dynamics with dissipation. One unique feature of falling-film solitary wave dynamics, which drives much of the spatio-temporal wave evolution, is the irreversible coalescence of such localized wave structures. It represents the first full description of a hydrodynamic instability from inception to developed chaos. This approach should prove useful for other complex hydrodynamic instabilities and would allow industrial engineers to better design their multi-phase apparati by exploiting the deciphered wave dynamics. This publication gives a comprehensive review of all experimental records and existing theories and significantly advances state of the art on the subject and are complimented by complex and attractive graphics from computational fluid mechanics.