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Transport Processes at Fluidic Interfaces

Transport Processes at Fluidic Interfaces
Author: Dieter Bothe
Publisher: Birkhäuser
Total Pages: 677
Release: 2017-07-13
Genre: Mathematics
ISBN: 3319566024

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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.”


Computational Methods for Complex Liquid-Fluid Interfaces

Computational Methods for Complex Liquid-Fluid Interfaces
Author: Mohammad Taeibi Rahni
Publisher: CRC Press
Total Pages: 549
Release: 2015-11-11
Genre: Science
ISBN: 1498722091

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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 example


Interfacial Fluid Dynamics and Transport Processes

Interfacial Fluid Dynamics and Transport Processes
Author: Ranga Narayanan
Publisher: Springer
Total Pages: 379
Release: 2013-06-29
Genre: Science
ISBN: 3540450955

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The present set of lectures and tutorial reviews deals with various topical aspects related to instabilities of interfacial processes and driven flows from both the theoretical and experimental point of views. New research has been spurred by demands for many applications in material sciences (melting, solidification, electro deposition), biomedical engineering and processing in microgravity environments. This book is intended as both a modern source of reference for researchers in the field as well as an introduction to postgraduate students and non-specialists from related areas.


Transport Processes at Taylor Bubbles in Vertical Channels

Transport Processes at Taylor Bubbles in Vertical Channels
Author: Sven Kastens
Publisher: Cuvillier Verlag
Total Pages: 190
Release: 2021-04-19
Genre: Technology & Engineering
ISBN: 3736964048

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Gas / liquid contact apparatuses are widely used in chemical, biochemical or pharmaceutical industry to provide and transfer gas species as reactant from the gaseous phase to pre-dissolved reactants in the liquid phase enabling a preferred reaction. The global and local transport are complex interlinked processes and therefore in practice in reactor design industry, mostly empirically correlated. For a secure control of the overall process and a more efficient reactor design, the local transport processes at gas / liquid interfaces need to be investigated in complexity reduced systems to be understood. Elongated bubbles, Taylor bubbles, in vertical channels 5.5 < D < 8 mm overcome the problem of dynamic shape deformation, complex 3D rise trajectories and they have a volume independent rise velocity, which make them the ideal experiment for reliable and reproducible investigations. Detailed optical measurements of global and local processes via high-speed Shadowgraphy, 2D2C PIV and p-2D LIF give new insights into the dependency of local bubble shape and global terminal rise velocity, establish a Sherwood correlation of shrinking CO2 bubbles in various channel sizes and shows the coupling of local transport phenomena at the bubble interface and the mixing in the wake region.


Laminar Flow and Convective Transport Processes

Laminar Flow and Convective Transport Processes
Author: Howard Brenner
Publisher: Elsevier
Total Pages: 761
Release: 2013-10-22
Genre: Technology & Engineering
ISBN: 1483292223

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Laminar Flow and Convective Transport Processes: Scaling Principles and Asymptotic Analysis presents analytic methods for the solution of fluid mechanics and convective transport processes, all in the laminar flow regime. This book brings together the results of almost 30 years of research on the use of nondimensionalization, scaling principles, and asymptotic analysis into a comprehensive form suitable for presentation in a core graduate-level course on fluid mechanics and the convective transport of heat. A considerable amount of material on viscous-dominated flows is covered. A unique feature of this book is its emphasis on scaling principles and the use of asymptotic methods, both as a means of solution and as a basis for qualitative understanding of the correlations that exist between independent and dependent dimensionless parameters in transport processes. Laminar Flow and Convective Transport Processes is suitable for use as a textbook for graduate courses in fluid mechanics and transport phenomena and also as a reference for researchers in the field.


Interfacial Transport Processes and Rheology

Interfacial Transport Processes and Rheology
Author: Howard Brenner
Publisher: Elsevier
Total Pages: 577
Release: 2013-10-22
Genre: Science
ISBN: 1483292274

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This textbook is designed to provide the theory, methods of measurement, and principal applications of the expanding field of interfacial hydrodynamics. It is intended to serve the research needs of both academic and industrial scientists, including chemical or mechanical engineers, material and surface scientists, physical chemists, chemical and biophysicists, rheologists, physiochemical hydrodynamicists, and applied mathematicians (especially those with interests in viscous fluid mechanics and continuum mechanics).As a textbook it provides materials for a one- or two-semester graduate-level course in interfacial transport processes. It may also be noted that, while separate practical and theoretical subdivisions of material have been introduced, a kind of cross-emphasis is often stressed: (i) to the academic scientist, or the importance of understanding major applications of interfacial transport; and (ii) to the industrial scientist, of the importance of understanding the underlying theory.


Mathematical Fluid Dynamics, Present and Future

Mathematical Fluid Dynamics, Present and Future
Author: Yoshihiro Shibata
Publisher: Springer
Total Pages: 616
Release: 2016-12-01
Genre: Mathematics
ISBN: 4431564578

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This volume presents original papers ranging from an experimental study on cavitation jets to an up-to-date mathematical analysis of the Navier-Stokes equations for free boundary problems, reflecting topics featured at the International Conference on Mathematical Fluid Dynamics, Present and Future, held 11–14 November 2014 at Waseda University in Tokyo. The contributions address subjects in one- and two-phase fluid flows, including cavitation, liquid crystal flows, plasma flows, and blood flows. Written by internationally respected experts, these papers highlight the connections between mathematical, experimental, and computational fluid dynamics. The book is aimed at a wide readership in mathematics and engineering, including researchers and graduate students interested in mathematical fluid dynamics.


Transport Processes in Chemically Reacting Flow Systems

Transport Processes in Chemically Reacting Flow Systems
Author: Daniel E. Rosner
Publisher: Courier Corporation
Total Pages: 623
Release: 2012-04-30
Genre: Technology & Engineering
ISBN: 0486150631

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Introduction to the transport of energy, mass, and momentum in chemically reacting fluids for graduate or undergraduate students with no prior background in fluid mechanics. Solutions to selected exercises.


Advanced Transport Phenomena

Advanced Transport Phenomena
Author: L. Gary Leal
Publisher: Cambridge University Press
Total Pages: 7
Release: 2007-06-18
Genre: Technology & Engineering
ISBN: 1139462067

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Advanced Transport Phenomena is ideal as a graduate textbook. It contains a detailed discussion of modern analytic methods for the solution of fluid mechanics and heat and mass transfer problems, focusing on approximations based on scaling and asymptotic methods, beginning with the derivation of basic equations and boundary conditions and concluding with linear stability theory. Also covered are unidirectional flows, lubrication and thin-film theory, creeping flows, boundary layer theory, and convective heat and mass transport at high and low Reynolds numbers. The emphasis is on basic physics, scaling and nondimensionalization, and approximations that can be used to obtain solutions that are due either to geometric simplifications, or large or small values of dimensionless parameters. The author emphasizes setting up problems and extracting as much information as possible short of obtaining detailed solutions of differential equations. The book also focuses on the solutions of representative problems. This reflects the book's goal of teaching readers to think about the solution of transport problems.