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Author : Richard E. Meyer
Publisher :
ISBN 13 :
Total Pages : 384 pages
Book Rating : 4.:/5 (318 download)
Download or read book Waves on Fluid Interfaces written by Richard E. Meyer and published by . This book was released on 1983 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Richard E. Meyer
Publisher : Academic Press
ISBN 13 : 1483265145
Total Pages : 370 pages
Book Rating : 4.4/5 (832 download)
Download or read book Waves on Fluid Interfaces written by Richard E. Meyer and published by Academic Press. This book was released on 2014-05-10 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mathematics Research Center Symposium: Waves on Fluid Interfaces covers the proceedings of a symposium conducted by the Mathematics Research Center of the University of Wisconsin-Madison on October 18-20, 1982. The book focuses on nonlinear instabilities of classical interfaces, physical structure of real interfaces, and the challenges these reactions pose to the understanding of fluids. The selection first elaborates on finite-amplitude interfacial waves, instability of finite-amplitude interfacial waves, and finite-amplitude water waves with surface tension. Discussions focus on reformulation as an integro-differential equation, perturbation solutions, results for interfacial waves with current jump, wave of zero height, weakly nonlinear waves, and numerical methods. The text then takes a look at generalized vortex methods for free-surface flows; a review of solution methods for viscous flow in the presence of deformable boundaries; and existence criteria for fluid interfaces in the absence of gravity. The book ponders on the endothelial interface between tissue and blood, moving contact line, rupture of thin liquid films, film waves, and interfacial instabilities caused by air flow over a thin liquid layer. Topics include stability analysis of liquid film, interpretation of film instabilities, simple film, linear stability theory, inadequacy of the usual hydrodynamic model, and marcomolecule transport across the artery wall. The selection is a valuable source of data for researchers interested in the reactions of waves on fluid interfaces.
Author : Richard E. Meyer
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (97 download)
Download or read book Waves on Fluid Interfaces written by Richard E. Meyer and published by . This book was released on 1983 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ali Hasan Nayfeh
Publisher :
ISBN 13 :
Total Pages : 25 pages
Book Rating : 4.:/5 (227 download)
Download or read book Nonlinear Propagation of Wave-Packets on Fluid Interfaces written by Ali Hasan Nayfeh and published by . This book was released on 1974 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: The method of multiple scales is used to derive a nonlinear partial differential equation which describes the evolution of two-dimensional wave-packets on the interface of two semi-infinite, incompressible, inviscid fluids of arbitrary densities, taking into account the effect of the surface tension, this equation is used to show that the stability of uniform wavetrains depends on the wavelength, the surface tension, and the density ratio. The results show that gravity waves are unstable for all density ratios except unity, while capillary waves are stable unless the density ratio is below approximately 0.1716. Moreover, the presence of surface tension results in the stabilization of some waves which are otherwise unstable. (Author).
Author : Wei Shyy
Publisher : Cambridge University Press
ISBN 13 : 9780521642668
Total Pages : 482 pages
Book Rating : 4.6/5 (426 download)
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.
Author : Richard E. Meyer
Publisher :
ISBN 13 :
Total Pages : 399 pages
Book Rating : 4.:/5 (989 download)
Download or read book Waves on Fluid Interfaces written by Richard E. Meyer and published by . This book was released on 1983 with total page 399 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rene Gatignol
Publisher : World Scientific
ISBN 13 : 9812810625
Total Pages : 273 pages
Book Rating : 4.8/5 (128 download)
Download or read book Mechanical and Thermodynamical Modeling of Fluid Interfaces written by Rene Gatignol and published by World Scientific. This book was released on 2001 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes a comprehensive survey of the balance equations for mass, momentum and energy for the interfaces in pure fluids and mixtures. Constitutive laws are presented for many situations in engineering science, and examples are provided, including surface viscosity effects, variable surface tension and vapor recoil. In addition, some extensions of existing theory are given: stretch effect in premixed flames, relaxation zones downstream two-phase shock waves, and effective surface tension for steep gradient zones. Contents: Thermodynamics and Kinematics of Interfaces; Interface Balance Laws; Constitutive Relations Deduced from Linear Irrevesible Thermodynamics for the Two-Dimensional Interfaces; Classical Three-Dimensional Constitutive Relations Deduced from Linear Irreversible Thermodynamics and Their Consequences for Interfaces; Second Gradient Theory Applied to Interfacial Medium; Typical Problems Involving Surface Tensions and Other Surface Properties. Readership: Graduates, physicists, applied mathematicians and engineers seeking classical knowledge in continuum mechanics and thermodynamics, especially in the thermodynamics of irreversible processes.
Author : Roger Prudhomme
Publisher : John Wiley & Sons
ISBN 13 : 1119902967
Total Pages : 258 pages
Book Rating : 4.1/5 (199 download)
Download or read book Fluid Mechanics at Interfaces 1 written by Roger Prudhomme and published by John Wiley & Sons. This book was released on 2022-03-04 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interfaces are present in most fluid mechanics problems. They not only denote phase separations and boundary conditions, but also thin flames and discontinuity waves. Fluid Mechanics at Interfaces 1 focuses on the science of interfaces, in particular, using various scientific methods of analysis relating to space, speed and time. Our investigation takes us from the microscopic or small scale (starting with molecular and nanoscopic scales) to the macroscopic (including meso and interstellar scales), and also explores the laws of interfaces (classical mechanics, quantum mechanics and relativistic mechanics). Chapter 1 examines the questions raised by modeling interfaces in the presence of one or more fluid phases. Chapter 2 discusses the action of turbulence in liquid–vapor flows that contain both small, dispersed bubbles as well as large bubbles, with heat exchanges at the interfaces. In addition, a new model is presented, using large eddy simulation (LES). Chapter 3 studies an original method for calculating the drag force and thermal transfers in flows around networks of spherical particles, while Chapter 4 focuses on the relationships between interfaces and critical fluids. Chapter 5 examines shearing, which causes anomalies in the Brownian motion of particles in strongly fluctuating near-critical mixtures, and Chapter 6 introduces basic concepts related to combustion interfaces, raising the question of the combustion of solids, before ending with a brief presentation of the Rankine–Hugoniot theory and a historical overview of the research carried out in the field of combustion.
Author : Rudolph V. Birikh
Publisher : CRC Press
ISBN 13 : 0824755847
Total Pages : 389 pages
Book Rating : 4.8/5 (247 download)
Download or read book Liquid Interfacial Systems written by Rudolph V. Birikh and published by CRC Press. This book was released on 2003-06-17 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite factoring in countless natural, biological, and industrial processes, fixed attention on the singular attributes and behavior of fluids near or at interfaces has not received enough attention in the surface science literature. Liquid Interfacial Systems assembles and analyzes concepts and findings as an inclusive summation of fluid-fluid interfacial phenomena. This book covers excitation, stabilization, and suppression of instability at liquid interfaces. From the influential original research and scholarship of leaders in the discipline comes a volume to impart and explain definitions, scales, governing equations, and boundary conditions used in liquid interfacial system research.
Author : Shuai Zhang
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book Effect of High-frequency Acoustic Waves on the Fluid Interface written by Shuai Zhang and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-frequency acoustic waves (above MHz) are widely applied in ultrasonic imaging and many microfluidic applications. For many cases, the response of interfaces to high-frequency acoustic waves can be simplified as a reflection and refraction process, where only the effect of the interfaces on acoustic wave propagation is considered. But for some physical processes, such as bubble and droplet manipulation, the response of the interfaces plays a key role. However, the interaction processes between high-frequency acoustic waves and interfaces, especially fluid interfaces, are mostly highly nonlinear. Most of the related work focused on acoustic waves with frequencies ranging from DC to kHz. There are continuously new phenomena found and reported showing the effect of high-frequency acoustic waves on fluid interfaces contrary to previously discovered theorems and laws. Yet many of the phenomena are poorly understood and explained. We briefly introduced the background of high-frequency ultrasonic devices, including the selection of material, design principles, physical models, and some of the important applications. Observations and measurements on the interface dynamics with small amplitudes and high frequencies have always been a challenge to researchers. Gas vesicles (GV) are bubbles wrapped by a protein layer with submicron sizes, which put forward an even higher requirement for the equipment and experiment design. We reported a precise non-contact technique to monitor GV's vibrational behavior using laser Doppler vibrometry. The resonance frequencies of the single GV and agglomerated GV were found and verified by the simulation results. We then focused on the behavior of the GV affected by lower frequencies (1-10 MHz) associated with medical and industrial applications. The change of GV's vibrational response to the acoustic wave with varying power input was observed. The mechanism of GV's function on ultrasonic signal amplification can be well explained with the measured linear and nonlinear behaviors (buckling and collapse). We then investigated the effect of high-frequency acoustic waves on the fluid-gas interface on the droplet's surface. We found that the sessile droplets with a small volume ( ~ [mu]L) produce visible, low-frequency vibrations (~ 100Hz) when exposed to high-frequency acoustic waves. However, there are no appropriate theories to predict capillary wave generation excited by high-frequency acoustic waves since the frequencies violate fundamental assumptions used in these theories. We brought up the acoustic radiation pressure-interface shape feedback mechanism to explain the energy transfer across vastly separate scales. The simulations based on the physical model are carefully compared with the direct observation of droplet interface dynamics from the high-speed digital holographic camera. The pressure-interface feedback model accurately predicts the vibration amplitude threshold at which capillary waves appear, the subsequent amplitude and frequency of the capillary waves, and the distribution of the standing wave pressure field within the sessile droplet responsible for the capillary waves.
Author : Din-Yu Hsieh
Publisher : World Scientific
ISBN 13 : 9789810218706
Total Pages : 432 pages
Book Rating : 4.2/5 (187 download)
Download or read book Wave and Stability in Fluids written by Din-Yu Hsieh and published by World Scientific. This book was released on 1994 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: This graduate level textbook covers the topics of sound waves, water waves and stability problems in fluids. It also touches upon the subject of chaos which is related to stability problems. It aims to lead students in an accessible and efficient way to this important subject area in fluid mechanics and applied mathematics. The emphasis is on gaining an understanding of the essential features of the subject matter, thus often ignoring complicating details which may confuse non-experts. The topics chosen also reflect the personal bias and research activity of the authors.
Author : Ning Wu
Publisher : Elsevier
ISBN 13 : 0128041099
Total Pages : 368 pages
Book Rating : 4.1/5 (28 download)
Download or read book Anisotropic Particle Assemblies written by Ning Wu and published by Elsevier. This book was released on 2018-07-12 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: Anisotropic Particle Assemblies: Synthesis, Assembly, Modeling, and Applications covers the synthesis, assembly, modeling, and applications of various types of anisotropic particles. Topics such as chemical synthesis and scalable fabrication of colloidal molecules, molecular mimetic self-assembly, directed assembly under external fields, theoretical and numerical multi-scale modeling, anisotropic materials with novel interfacial properties, and the applications of these topics in renewable energy, intelligent micro-machines, and biomedical fields are discussed in depth. Contributors to this book are internationally known experts who have been actively studying each of these subfields for many years.This book is an invaluable reference for researchers and chemical engineers who are working at the intersection of physics, chemistry, chemical engineering, and materials science and engineering. It educates students, trains the next generation of researchers, and stimulates continuous development in this rapidly emerging area for new materials and innovative technologies. Provides comprehensive coverage on new developments in anisotropic particles Features chapters written by emerging and leading experts in each of the subfields Contains information that will appeal to a broad spectrum of professionals, including but not limited to chemical engineers, chemists, physicists, and materials scientists and engineers Serves as both a reference book for researchers and a textbook for graduate students
Author : Bo Peterson
Publisher :
ISBN 13 :
Total Pages : 29 pages
Book Rating : 4.:/5 (227 download)
Download or read book On the Multiple Scattering of Waves from Obstacles with Solid-Fluid Interfaces written by Bo Peterson and published by . This book was released on 1979 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this article is to present a T-matrix formalism for elastic wave scattering by multilayered regions with solid-fluid interfaces. Here the layers are not necessarily consecutively enclosing and thus in some regions there may be several different scatterers. We are using the Green's dyadic in an integral representation although the T-matrix can be obtained without using and Green's dyadic.
Author : Sir M. J. Lighthill
Publisher : Cambridge University Press
ISBN 13 : 9780521010450
Total Pages : 528 pages
Book Rating : 4.0/5 (14 download)
Download or read book Waves in Fluids written by Sir M. J. Lighthill and published by Cambridge University Press. This book was released on 2001-11-15 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive textbook in which the author describes the science of waves in liquids and gases. Drawing on a subject of enormous extent and variety, he provides his readers with a thorough analysis of the most important and representative types of waves including sound waves, shock waves, waterwaves of all kinds, and the so-called internal waves (inside atmospheres and oceans) due to intensity stratification. Emphasis throughout is on the most generally useful fundamental ideas of wave science, including the principles of how waves interact with flows. This standard work on one of the great subdivisions of the dynamics of fluids is lucidly written and will be invaluable to engineers, physicists, geophysicists, applied mathematicians or any research worker concerned with wave motions or fluid fllows. It is especially suitable as a textbook for courses at the final year undergraduate or graduate level.
Author : Evgeniy Lokharu
Publisher : Linköping University Electronic Press
ISBN 13 : 9176855872
Total Pages : 33 pages
Book Rating : 4.1/5 (768 download)
Download or read book Small-amplitude steady water waves with vorticity written by Evgeniy Lokharu and published by Linköping University Electronic Press. This book was released on 2017-01-30 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: The problem of describing two-dimensional traveling water waves is considered. The water region is of finite depth and the interface between the region and the air is given by the graph of a function. We assume the flow to be incompressible and neglect the effects of surface tension. However we assume the flow to be rotational so that the vorticity distribution is a given function depending on the values of the stream function of the flow. The presence of vorticity increases the complexity of the problem and also leads to a wider class of solutions. First we study unidirectional waves with vorticity and verify the Benjamin-Lighthill conjecture for flows whose Bernoulli constant is close to the critical one. For this purpose it is shown that every wave, whose slope is bounded by a fixed constant, is either a Stokes or a solitary wave. It is proved that the whole set of these waves is uniquely parametrised (up to translation) by the flow force which varies between its values for the supercritical and subcritical shear flows of constant depth. We also study large-amplitude unidirectional waves for which we prove bounds for the free-surface profile and for Bernoulli’s constant. Second, we consider small-amplitude waves over flows with counter currents. Such flows admit layers, where the fluid flows in different directions. In this case we prove that the initial nonlinear free-boundary problem can be reduced to a finite-dimensional Hamiltonian system with a stable equilibrium point corresponding to a uniform stream. As an application of this result, we prove the existence of non-symmetric wave profiles. Furthermore, using a different method, we prove the existence of periodic waves with an arbitrary number of crests per period.
Author : Roger Prudhomme
Publisher : John Wiley & Sons
ISBN 13 : 1786308177
Total Pages : 178 pages
Book Rating : 4.7/5 (863 download)
Download or read book Fluid Mechanics at Interfaces 2 written by Roger Prudhomme and published by John Wiley & Sons. This book was released on 2022-04-12 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interfaces are present in most fluid mechanics problems. They not only denote phase separations and boundary conditions, but also thin flames and discontinuity waves. Fluid Mechanics at Interfaces 2 examines cases that involve one-dimensional or bi-dimensional manifolds, not only in gaseous and liquid physical states but also in subcritical fluids and in single- and multi-phase systems that may be pure or mixed. Chapter 1 addresses certain aspects of turbulence in discrete mechanics, briefly describing the physical model associated with discrete primal and dual geometric topologies before focusing on channel flow simulations at turbulence-inducing Reynolds numbers. Chapter 2 centers on atomization in an accelerating domain. In one case, an initial Kelvin–Helmholtz instability generates an acceleration field, in turn creating a Rayleigh–Taylor instability which ultimately determines the size of the droplets formed. Chapter 3 explores numerical studies of pipes with sudden contraction using OpenFOAM, and focuses on modeling that will be useful for engines and automobiles. Chapters 4 and 5 study the evaporation of droplets that are subject to high-frequency perturbations, a possible cause of instabilities in injection engines. The Heidmann model, which replaces the droplets in motion in a combustion chamber with a single continuously-fed droplet, is made more complex by considering the finite conduction heat transfer phenomenon. Finally, Chapter 6 is devoted to a study of the rotor blade surface of a Savonius wind turbine, considering both a non-stationary and a three-dimensional flow.
Author : Rene Gatignol
Publisher : World Scientific
ISBN 13 : 9810243057
Total Pages : 273 pages
Book Rating : 4.8/5 (12 download)
Download or read book Mechanical and Thermodynamical Modeling of Fluid Interfaces written by Rene Gatignol and published by World Scientific. This book was released on 2001 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes a comprehensive survey of the balance equations for mass, momentum and energy for the interfaces in pure fluids and mixtures. Constitutive laws are presented for many situations in engineering science, and examples are provided, including surface viscosity effects, variable surface tension and vapor recoil. In addition, some extensions of existing theory are given: stretch effect in premixed flames, relaxation zones downstream two-phase shock waves, and effective surface tension for high gradient zones.
