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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 : 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 : 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 : Alexander A. Avdeev
Publisher : Springer
ISBN 13 : 3319292889
Total Pages : 481 pages
Book Rating : 4.3/5 (192 download)
Download or read book Bubble Systems written by Alexander A. Avdeev and published by Springer. This book was released on 2016-04-29 with total page 481 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph presents a systematic analysis of bubble system mathematics, using the mechanics of two-phase systems in non-equilibrium as the scope of analysis. The author introduces the thermodynamic foundations of bubble systems, ranging from the fundamental starting points to current research challenges. This book addresses a range of topics, including description methods of multi-phase systems, boundary and initial conditions as well as coupling requirements at the phase boundary. Moreover, it presents a detailed study of the basic problems of bubble dynamics in a liquid mass: growth (dynamically and thermally controlled), collapse, bubble pulsations, bubble rise and breakup. Special emphasis is placed on bubble dynamics in turbulent flows. The analysis results are used to write integral equations governing the rate of vapor generation (condensation) in non-equilibrium flows, thus creating a basis for solving a number of practical problems. This book is the first to present a comprehensive theory of boiling shock with applications to problems of critical discharge and flashing under the fast decompression conditions. Reynolds’ analogy was the key to solving a number of problems in subcooled forced-flow boiling, the theoretical results of which led to easy-to-use design formulas. This book is primarily aimed at graduate and post-graduate students specializing in hydrodynamics or heat and mass transfer, as well as research expert focused on two-phase flow. It will also serve as a comprehensive reference book for designers working in the field of power and aerospace technology.
Author : Melanie Bothe
Publisher : Cuvillier Verlag
ISBN 13 : 3736981937
Total Pages : 148 pages
Book Rating : 4.7/5 (369 download)
Download or read book Experimental Analysis and Modeling of Industrial Two-Phase Flows in Bubble Column Reactors written by Melanie Bothe and published by Cuvillier Verlag. This book was released on 2016-02-19 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis contributes to a more rigorous modeling of the specific interfacial area in bubble column reactors through selected measurements at the laboratory-scale using the endoscopic measurement method which was further developed within this work. The new approach effectively complements correlations with global parameters. This in turn enables a more precise prediction of the specific interfacial area for the design and scale-up as well as for numerical simulations.
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 : Michael Schlüter
Publisher : Springer Nature
ISBN 13 : 3030723615
Total Pages : 642 pages
Book Rating : 4.0/5 (37 download)
Download or read book Reactive Bubbly Flows written by Michael Schlüter and published by Springer Nature. This book was released on 2021-07-29 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents experimental and numerical methods that have been developed during six years of targeted research within the DFG priority program SPP 1740, elucidating the interaction between hydrodynamics, mass transfer and transport as well as chemical reactions in bubbly flows. A special feature of this book is its focus on an interdisciplinary research approach with contributions from chemistry, mathematics and engineering sciences, providing enhanced or novel experimental methods, models and numerical simulations. This book provides fundamental knowledge to students about the current state of knowledge regarding transport processes in reactive bubbly flows as well as to scientists, emphasizing pressing research questions and further current demands for fundamental research. Engineers from the chemical industries will get valuable insights into relevant gas-liquid processes and benefit from recommendations concerning the design of gas-liquid reactors and laboratory experiments for studying the performance of gas-liquid reactions in their own lab.
Author : A.K. Sulayman
Publisher : Lulu.com
ISBN 13 : 1409257118
Total Pages : 280 pages
Book Rating : 4.4/5 (92 download)
Download or read book Energy-based Mathematical Modelling of the Flow Field in Bubble Columns written by A.K. Sulayman and published by Lulu.com. This book was released on 2008 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Giovanni P. Galdi
Publisher : Springer Science & Business Media
ISBN 13 : 3764378050
Total Pages : 512 pages
Book Rating : 4.7/5 (643 download)
Download or read book Hemodynamical Flows written by Giovanni P. Galdi and published by Springer Science & Business Media. This book was released on 2008-03-18 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book surveys research results on the physical and mathematical modeling, as well as the numerical simulation of complex fluid and structural mechanical processes occurring in the human blood circulation system. Topics treated include continuum mechanical description; choice of suitable liquid and wall models; mathematical analysis of coupled models; numerical methods for flow simulation; parameter identification and model calibration; fluid-solid interaction; mathematical analysis of piping systems; particle transport in channels and pipes; artificial boundary conditions, and many more. The book was developed from lectures presented by the authors at the Oberwolfach Research Institute (MFO), in Oberwolfach-Walke, Germany, November, 2005.
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 : 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 : Andrea Alberto Mammoli
Publisher : WIT Press
ISBN 13 : 1845640306
Total Pages : 385 pages
Book Rating : 4.8/5 (456 download)
Download or read book Computational Methods in Multiphase Flow III written by Andrea Alberto Mammoli and published by WIT Press. This book was released on 2005 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: A common feature of multiphase flows is that a dispersed or discontinuous phase is being carried by a continuous phase, for example water drops in gas flow, solid particles in water flow, or gas bubbles in liquid flow. The overall behavior of the flow is shaped largely by the interaction between the discontinuous elements--drops, particles, bubbles
Author : Hugo A. Jakobsen
Publisher : Springer Science & Business Media
ISBN 13 : 3540686223
Total Pages : 1244 pages
Book Rating : 4.5/5 (46 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 2008-10-15 with total page 1244 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book closes the gap between Chemical Reaction Engineering and Fluid Mechanics. It provides the basic theory for momentum, heat and mass transfer in reactive systems. Numerical methods for solving the resulting equations as well as the interplay between physical and numerical modes are discussed. The book is written using the standard terminology of this community. It is intended for researchers and engineers who want to develop their own codes, or who are interested in a deeper insight into commercial CFD codes in order to derive consistent extensions and to overcome "black box" practice. It can also serve as a textbook and reference book.
Author : Eetu N. Virtanen
Publisher : Nova Publishers
ISBN 13 : 9781600219757
Total Pages : 366 pages
Book Rating : 4.2/5 (197 download)
Download or read book Applied Mathematical Modeling written by Eetu N. Virtanen and published by Nova Publishers. This book was released on 2008 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new book focuses on important research related to the mathematical modelling of engineering and environmental processes, manufacturing, and industrial systems. It includes heat transfer, fluid mechanics, CFD, and transport phenomena; solid mechanics and mechanics of metals; electromagnets and MHD; reliability modelling and system optimisation; finite volume, finite element, and boundary element procedures; decision sciences in an industrial and manufacturing context; civil engineering systems and structures; mineral and energy resources; relevant software engineering issues associated with CAD and CAE; and materials and metallurgical engineering.
Author : Jean-Pierre Corriou
Publisher : MDPI
ISBN 13 : 3036500960
Total Pages : 352 pages
Book Rating : 4.0/5 (365 download)
Download or read book Chemical Process Design, Simulation and Optimization written by Jean-Pierre Corriou and published by MDPI. This book was released on 2021-02-19 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book presents a series of articles devoted to modeling, simulation, and optimization of processes, mainly chemical. General methods for process modeling and numerical simulation are described with flowsheeting. Population balances are addressed in detail with application to crystal production; energy saving is frequently optimized, including exergy analysis. The coupling between process simulation and computational fluid dynamics is studied for air classification and bubble columns. Pressure swing adsorption, reactive distillation, and nanofiltration are explained in general and applied to particular processes. The synthesis of carbon dots is solved by the design of experiments method. A safety study addresses the consequences of gas explosion.
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 : Guan Heng Yeoh
Publisher : Elsevier
ISBN 13 : 0080914896
Total Pages : 658 pages
Book Rating : 4.0/5 (89 download)
Download or read book Computational Techniques for Multiphase Flows written by Guan Heng Yeoh and published by Elsevier. This book was released on 2009-10-07 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mixed or multiphase flows of solid/liquid or solid/gas are commonly found in many industrial fields, and their behavior is complex and difficult to predict in many cases. The use of computational fluid dynamics (CFD) has emerged as a powerful tool for the understanding of fluid mechanics in multiphase reactors, which are widely used in the chemical, petroleum, mining, food, beverage and pharmaceutical industries. Computational Techniques for Multiphase Flows enables scientists and engineers to the undertand the basis and application of CFD in muliphase flow, explains how to use the technique, when to use it and how to interpret the results and apply them to improving aplications in process enginering and other multiphase application areas including the pumping, automotive and energy sectors. - Understandable guide to a complex subject - Important in many industries - Ideal for potential users of CFD
