Fluid Dynamics at Interfaces
| Author | : Wei Shyy |
| Publisher | : Cambridge University Press |
| Total Pages | : 482 |
| Release | : 1999-09-28 |
| Genre | : Science |
| ISBN | : 9780521642668 |
In this book experts discuss research and applications in interfacial fluid dynamics.
Fluid Dynamics At Interfaces
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Transport Processes at Fluidic Interfaces
| Author | : Dieter Bothe |
| Publisher | : Birkhäuser |
| Total Pages | : 677 |
| Release | : 2017-07-13 |
| Genre | : Mathematics |
| ISBN | : 3319566024 |
There are several physico-chemical processes that determine the behavior of multiphase fluid systems – e.g., the fluid dynamics in the different phases and the dynamics of the interface(s), mass transport between the fluids, adsorption effects at the interface, and transport of surfactants on the interface – and result in heterogeneous interface properties. In general, these processes are strongly coupled and local properties of the interface play a crucial role. A thorough understanding of the behavior of such complex flow problems must be based on physically sound mathematical models, which especially account for the local processes at the interface. This book presents recent findings on the rigorous derivation and mathematical analysis of such models and on the development of numerical methods for direct numerical simulations. Validation results are based on specifically designed experiments using high-resolution experimental techniques. A special feature of this book is its focus on an interdisciplinary research approach combining Applied Analysis, Numerical Mathematics, Interface Physics and Chemistry, as well as relevant research areas in the Engineering Sciences. The contributions originated from the joint interdisciplinary research projects in the DFG Priority Programme SPP 1506 “Transport Processes at Fluidic Interfaces.”
Interfaces For The 21st Century: New Research Directions In Fluid Mechanics And Materials Science
| Author | : David Canright |
| Publisher | : World Scientific |
| Total Pages | : 331 |
| Release | : 2002-05-30 |
| Genre | : Technology & Engineering |
| ISBN | : 1783261242 |
This book highlights some recent advances in interfacial research in the fields of fluid mechanics and materials science at the beginning of the twenty-first century. It is an extension of the presentations made during the conference “Interfaces for the 21st Century,” held on August 16-18, 1999, in Monterey, California. It includes papers by sixteen renowned experts in the field of interfacial mechanics, abstracts contributed by research scientists, and a summary of a panel discussion on future research directions. The book covers experimental and theoretical approaches, with the unifying philosophy being the investigation of new techniques for modeling the dynamics of interfaces. A number of new and exciting solution methods and experimental studies, as well as the physical problems that initiated them, are presented.
Fluid Mechanics of Environmental Interfaces
| Author | : Carlo Gualtieri |
| Publisher | : CRC Press |
| Total Pages | : 349 |
| Release | : 2008-02-07 |
| Genre | : Science |
| ISBN | : 0203895355 |
An environmental interface is defined as a surface between two abiotic or biotic systems, in relative motion and exchanging mass, heat and momentum through biophysical and/or chemical processes. These processes fluctuate temporally and spatially. The book first treats exchange processes occurring at the interfaces between atmosphere and the surface
Dynamics of Adsorption at Liquid Interfaces
| Author | : S.S. Dukhin |
| Publisher | : Elsevier |
| Total Pages | : 601 |
| Release | : 1995-04-11 |
| Genre | : Technology & Engineering |
| ISBN | : 0080530613 |
As the first of its kind, this book provides a valuable introduction for scientists and engineers interested in liquid/fluid interfaces and disperse systems to the rapidly developing area of adsorption dynamics. It is the first extensive review available on the subject of dynamics of adsorption and gives a general summary of the current state of adsorption kinetics theory and experiments. Current progress in recently designed set-ups and improved and generalised known methods for studying interfacial relaxations is reviewed. In addition, the role of the electric charge of surfactants in the adsorption process is discussed in terms of a non-equilibrium distribution of adsorbing ions in the diffuse layer. Present theories of the effect of dynamic adsorption layers on mobile surfaces, such as moving drops and bubbles, based on both diffusion and kinetic controlled adsorption models are described and efficient approximate analytical methods to solve the mathematical problem of coupling surfactant transport and hydrodynamics are introduced. The role of a dynamic adsorption layer in bubble rising, film drainage and film stabilisation and in complex processes such as flotation and microflotation is discussed. Containing more than 1100 references, the book is essential reading for industrial scientists and graduate and post-graduate students in physical, surface and colloid chemistry, physico-chemical hydrodynamics, water purification and mineral processing.
Multi-scale Computational Fluid Dynamics with Interfaces
| Author | : Jianghui Chao |
| Publisher | : |
| Total Pages | : |
| Release | : 2006 |
| Genre | : |
| ISBN | : |
In order to suppress numerical instabilities associated with the presence of the interface, the following approaches were investigated: (i) a new surface tension formulation originated from the diffusion interface method was used to remove unphysical pressure wiggles across interfaces; (ii) a filter scheme was used in numerical gradient calculations to maintain monotonic property variations; (iii) a volume-correction procedure was devised. The performance of the improved LBE model was evaluated using the Rayleigh-Taylor instability problem, stationary bubble under force equilibrium, capillary waves, and rising bubbles. The computational results demonstrated that this LBE two-phase model is more robust than those reported in the literature, capable of treating larger density ratio up to order O(102), while confining the interface thickness within 5-6 grids.
Waves on Fluid Interfaces
| Author | : Richard E. Meyer |
| Publisher | : Academic Press |
| Total Pages | : 370 |
| Release | : 2014-05-10 |
| Genre | : Mathematics |
| ISBN | : 1483265145 |
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.
Computational Methods for Complex Liquid-Fluid Interfaces
| Author | : Taylor & Francis Group |
| Publisher | : CRC Press |
| Total Pages | : 0 |
| Release | : 2019-10-29 |
| Genre | : |
| ISBN | : 9780367377137 |
Computational Methods for Complex Liquid-Fluid Interfaces highlights key computational, challenges involved in the two-way coupling of complex liquid-fluid interfaces. The book covers a variety of cutting-edge experimental and computational techniques ranging from macro- to meso- and microscale approaches (including pivotal applications). As examples, the text: Defines the most important interfacial quantities and their experimental investigations, providing theoretical background and detailed solutions, Describes vital techniques used in interfacial flow problems, such as modern meshless numerical methods and conventional computational fluid dynamics methods, and discusses the technicalities of correctly using the computational methods developed for interfacial flows, as well as the simulation of interesting interfacial flow physics. Edited and authored by leading scientists and researchers, Computational Methods for Complex Liquid-Fluid Interfaces offers an authoritative and state-of-the-art overview of computational methodologies and simulation techniques for the quantification of interfacial quantities. Book jacket.
Interfacial Fluid Mechanics
| Author | : Vladimir S. Ajaev |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 219 |
| Release | : 2012-02-07 |
| Genre | : Technology & Engineering |
| ISBN | : 1461413419 |
Interfacial Fluid Mechanics: A Mathematical Modeling Approach provides an introduction to mathematical models of viscous flow used in rapidly developing fields of microfluidics and microscale heat transfer. The basic physical effects are first introduced in the context of simple configurations and their relative importance in typical microscale applications is discussed. Then, several configurations of importance to microfluidics, most notably thin films/droplets on substrates and confined bubbles, are discussed in detail. Topics from current research on electrokinetic phenomena, liquid flow near structured solid surfaces,evaporation/condensation, and surfactant phenomena are discussed in the later chapters.
Fluid Mechanics at Interfaces 1
| Author | : Roger Prudhomme |
| Publisher | : John Wiley & Sons |
| Total Pages | : 258 |
| Release | : 2022-03-04 |
| Genre | : Science |
| ISBN | : 1119902967 |
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.
