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Author : Thomas Acher
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (99 download)
Download or read book A Moments Model for the Numerical Simulation of Bubble Column Flows written by Thomas Acher and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Waldo Coetzee
Publisher :
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.:/5 (858 download)
Download or read book Development of a Computationally Efficient Bubble Column Simulation Approach by Way of Statistical Bubble Micro-flow Modelling written by Waldo Coetzee and published by . This book was released on 2013 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. Clift
Publisher : Courier Corporation
ISBN 13 : 0486317749
Total Pages : 402 pages
Book Rating : 4.4/5 (863 download)
Download or read book Bubbles, Drops, and Particles written by R. Clift and published by Courier Corporation. This book was released on 2013-04-22 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume offers a unified treatment and critical review of the literature related to the fluid dynamics, heat transfer, and mass transfer of single bubbles, drops, and particles. 1978 edition.
Author : Martin Sommerfeld
Publisher : Springer Science & Business Media
ISBN 13 : 3642185401
Total Pages : 354 pages
Book Rating : 4.6/5 (421 download)
Download or read book Bubbly Flows written by Martin Sommerfeld and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book summarises the outcom of a priority research programme: 'Analysis, Modelling and Computation of Multiphase Flows'. The results of 24 individual research projects are presented. The main objective of the research programme was to provide a better understanding of the physical basis for multiphase gas-liquid flows as they are found in numerous chemical and biochemical reactors. The research comprises steady and unsteady multiphase flows in three frequently found reactor configurations, namely bubble columns without interiors, airlift loop reactors, and aerated stirred vessels. For this purpose new and improved measurement techniques were developed. From the resulting knowledge and data, new and refined models for describing the underlying physical processes were developed, which were used for the establishment and improvement of analytic as well as numerical methods for predicting multiphase reactors. Thereby, the development, lay-out and scale-up of such processes should be possible on a more reliable basis.
Author : Joseph Wakim
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (143 download)
Download or read book Modeling, Simulation & Analysis of the Flow in a Bubble Column written by Joseph Wakim and published by . This book was released on 2024 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding multiphase flows in bubble columns is crucial for various engineering applications. This study models a rectangular bubble column of laminar flow with a height of 2 meters and a width of 0.5 meters, where the inlet velocity of air is set at 3.3 mm/s. The simulations were done on Ansys Fluent using the mixture model, Volume of Fluid model and Eulerian model for two different numerical schemes, namely the first order upwind and the quadratic upstream interpolation for convective kinetics schemes. The mesh independence study demonstrated that in 2D simulations, mesh independence was achieved exclusively using the Eulerian model indicating that the Eulerian model is the most effective for simulating bubbly flow. Furthermore, when applying finer meshes in 3D simulations, the results closely aligned with the 2D simulations, supporting the validity of a 2D approach in the case of such flat bubble column. Additionally, finer meshes show thinner bubble swarms, particularly at the inlet. This study also investigated the impact of various parameters on bubble flow dynamics. It was found that the air inlet velocity, bubble sizes, and the properties of the working fluids significantly influenced the results. Specifically, as the air inlet velocity increased, the air volume fraction also increased. Conversely, increasing bubblesizes led to a decrease in both the air volume fraction and the water velocity, due to a reduced surface area to volume ratio. Moreover, changes in the working fluids showed that viscosity and density greatly affect the bubbly flow within the bubble column, highlighting the sensitivity of the system to these fluid properties.
Author : Qun Wang
Publisher :
ISBN 13 :
Total Pages : 388 pages
Book Rating : 4.:/5 (319 download)
Download or read book Numerical Simulation of the Compressibility Effect on Bubble Dynamics written by Qun Wang and published by . This book was released on 1995 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Guan Heng Yeoh
Publisher : Butterworth-Heinemann
ISBN 13 : 0080982336
Total Pages : 385 pages
Book Rating : 4.0/5 (89 download)
Download or read book Multiphase Flow Analysis Using Population Balance Modeling written by Guan Heng Yeoh and published by Butterworth-Heinemann. This book was released on 2013-08-19 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by leading multiphase flow and CFD experts, this book enables engineers and researchers to understand the use of PBM and CFD frameworks. Population balance approaches can now be used in conjunction with CFD, effectively driving more efficient and effective multiphase flow processes. Engineers familiar with standard CFD software, including ANSYS-CFX and ANSYS–Fluent, will be able to use the tools and approaches presented in this book in the effective research, modeling and control of multiphase flow problems. - Builds a complete understanding of the theory behind the application of population balance models and an appreciation of the scale-up of computational fluid dynamics (CFD) and population balance modeling (PBM) to a variety of engineering and industry applications in chemical, pharmaceutical, energy and petrochemical sectors - The tools in this book provide the opportunity to incorporate more accurate models in the design of chemical and particulate based multiphase processes - Enables readers to translate theory to practical use with CFD software
Author : Hugo A. Jakobsen
Publisher : Springer Science & Business Media
ISBN 13 : 3319050923
Total Pages : 1589 pages
Book Rating : 4.3/5 (19 download)
Download or read book Chemical Reactor Modeling written by Hugo A. Jakobsen and published by Springer Science & Business Media. This book was released on 2014-04-02 with total page 1589 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemical Reactor Modeling closes the gap between Chemical Reaction Engineering and Fluid Mechanics. The second edition consists of two volumes: Volume 1: Fundamentals. Volume 2: Chemical Engineering Applications In volume 1 most of the fundamental theory is presented. A few numerical model simulation application examples are given to elucidate the link between theory and applications. In volume 2 the chemical reactor equipment to be modeled are described. Several engineering models are introduced and discussed. A survey of the frequently used numerical methods, algorithms and schemes is provided. A few practical engineering applications of the modeling tools are presented and discussed. The working principles of several experimental techniques employed in order to get data for model validation are outlined. The monograph is based on lectures regularly taught in the fourth and fifth years graduate courses in transport phenomena and chemical reactor modeling and in a post graduate course in modern reactor modeling at the Norwegian University of Science and Technology, Department of Chemical Engineering, Trondheim, Norway. The objective of the book is to present the fundamentals of the single-fluid and multi-fluid models for the analysis of single and multiphase reactive flows in chemical reactors with a chemical reactor engineering rather than mathematical bias. Organized into 13 chapters, it combines theoretical aspects and practical applications and covers some of the recent research in several areas of chemical reactor engineering. This book contains a survey of the modern literature in the field of chemical reactor modeling.
Author : Rao Muhammad Atif Masood
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (118 download)
Download or read book A Numerical Analysis of Bubble Column Flows written by Rao Muhammad Atif Masood and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Donald A. Drew
Publisher : Springer Science & Business Media
ISBN 13 : 1468471090
Total Pages : 155 pages
Book Rating : 4.4/5 (684 download)
Download or read book Particulate Flows written by Donald A. Drew and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt: This IMA Volume in Mathematics and its Applications PARTICULATE FLOWS: PROCESSING AND RHEOLOGY is based on the proceedings of a very successful one-week workshop with the same title, which was an integral part of the 1995-1996 IMA program on "Mathematical Methods in Materials Science." We would like to thank Donald A. Drew, Daniel D. Joseph, and Stephen L. Passman for their excellent work as organizers of the meeting. We also take this opportunity to thank the National Science Foun dation (NSF), the Army Research Office (ARO) and the Office of Naval Research (ONR), whose financial support made the workshop possible. A vner Friedman Robert Gulliver v PREFACE The workshop on Particulate Flows: Processing and Rheology was held January 8-12, 1996 at the Institute for Mathematics and its Applications on the University of Minnesota Twin Cities campus as part of the 1995- 96 Program on Mathematical Methods in Materials Science. There were about forty participants, and some lively discussions, in spite of the fact that bad weather on the east coast kept some participants from attending, and caused scheduling changes throughout the workshop. Heterogeneous materials can behave strangely, even in simple flow sit uations. For example, a mixture of solid particles in a liquid can exhibit behavior that seems solid-like or fluid-like, and attempting to measure the "viscosity" of such a mixture leads to contradictions and "unrepeatable" experiments. Even so, such materials are commonly used in manufacturing and processing.
Author : Grétar Tryggvason
Publisher : Cambridge University Press
ISBN 13 : 1139496700
Total Pages : 337 pages
Book Rating : 4.1/5 (394 download)
Download or read book Direct Numerical Simulations of Gas–Liquid Multiphase Flows written by Grétar Tryggvason and published by Cambridge University Press. This book was released on 2011-03-10 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accurately predicting the behaviour of multiphase flows is a problem of immense industrial and scientific interest. Modern computers can now study the dynamics in great detail and these simulations yield unprecedented insight. This book provides a comprehensive introduction to direct numerical simulations of multiphase flows for researchers and graduate students. After a brief overview of the context and history the authors review the governing equations. A particular emphasis is placed on the 'one-fluid' formulation where a single set of equations is used to describe the entire flow field and interface terms are included as singularity distributions. Several applications are discussed, showing how direct numerical simulations have helped researchers advance both our understanding and our ability to make predictions. The final chapter gives an overview of recent studies of flows with relatively complex physics, such as mass transfer and chemical reactions, solidification and boiling, and includes extensive references to current work.
Author :
Publisher : Academic Press
ISBN 13 : 0128150971
Total Pages : 204 pages
Book Rating : 4.1/5 (281 download)
Download or read book Bridging Scales in Modelling and Simulation of Non-Reacting and Reacting Flows. Part I written by and published by Academic Press. This book was released on 2018-03-27 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bridging Scales in Modelling and Simulating Reacting Flows, Part I , Volume 52 presents key methods to bridge scales in the simulation of reacting single phase flows. New sections in the updated release include topics such as quadrature-based moment methods for multiphase chemically reacting flows, the collaboration of experiments and simulations for the development of predictive models, a simulation of turbulent coalescence and breakage of bubbles and droplets in the presence of surfactants, a section on salts and contaminants, and information on the numerical simulation of reactive flows. - Contains reviews by leading authorities in their respective areas - Presents up-to-date reviews of the latest techniques in the modeling of catalytic processes - Includes a broad mix of US and European authors, as well as academic, industrial and research institute perspectives - Provides discussions on the connections between computational and experimental methods
Author : Daniele L. Marchisio
Publisher : Cambridge University Press
ISBN 13 : 0521858488
Total Pages : 547 pages
Book Rating : 4.5/5 (218 download)
Download or read book Computational Models for Polydisperse Particulate and Multiphase Systems written by Daniele L. Marchisio and published by Cambridge University Press. This book was released on 2013-03-28 with total page 547 pages. Available in PDF, EPUB and Kindle. Book excerpt: All-inclusive introduction to polydisperse multiphase flows linking theory to practice through numerous real-world examples and MATLAB® scripts for key algorithms.
Author : Asghar Esmaeeli-Koosej
Publisher :
ISBN 13 :
Total Pages : 538 pages
Book Rating : 4.3/5 (91 download)
Download or read book Numerical Simulations of Bubbly Flows written by Asghar Esmaeeli-Koosej and published by . This book was released on 1995 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sergio Chibbaro
Publisher : Springer Science & Business Media
ISBN 13 : 3709116228
Total Pages : 175 pages
Book Rating : 4.7/5 (91 download)
Download or read book Stochastic Methods in Fluid Mechanics written by Sergio Chibbaro and published by Springer Science & Business Media. This book was released on 2013-09-05 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since their first introduction in natural sciences through the work of Einstein on Brownian motion in 1905 and further works, in particular by Langevin, Smoluchowski and others, stochastic processes have been used in several areas of science and technology. For example, they have been applied in chemical studies, or in fluid turbulence and for combustion and reactive flows. The articles in this book provide a general and unified framework in which stochastic processes are presented as modeling tools for various issues in engineering, physics and chemistry, with particular focus on fluid mechanics and notably dispersed two-phase flows. The aim is to develop what can referred to as stochastic modeling for a whole range of applications.
Author : Peng Chen
Publisher :
ISBN 13 :
Total Pages : 384 pages
Book Rating : 4.:/5 (556 download)
Download or read book Modeling the Fluid Dynamics of Bubble Column Flows written by Peng Chen and published by . This book was released on 2004 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Chao Zhu
Publisher : Cambridge University Press
ISBN 13 : 1108473741
Total Pages : 621 pages
Book Rating : 4.1/5 (84 download)
Download or read book Dynamics of Multiphase Flows written by Chao Zhu and published by Cambridge University Press. This book was released on 2021-06-17 with total page 621 pages. Available in PDF, EPUB and Kindle. Book excerpt: Address physical principles and unified theories governing multiphase flows, with methods, applications, and problems.
