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Solid Liquid Two Phase Flow

Solid Liquid Two Phase Flow Book
Author : Sümer M. Peker,Serife S. Helvaci
Publisher : Elsevier
Release : 2011-04-18
ISBN : 9780080553412
Language : En, Es, Fr & De

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Book Description :

This book is an undertaking of a pioneering work of uniting three vast fields of interfacial phenomena, rheology and fluid mechanics within the framework of solid-liquid two phase flow. No wonder, much finer books will be written in the future as the visionary aims of many nations in combining molecular chemistry, biology, transport and interfacial phenomena for the fundamental understanding of processes and capabilities of new materials will be achieved. Solid-liquid systems where solid particles with a wide range of physical properties, sizes ranging from nano- to macro- scale and concentrations varying from very dilute to highly concentrated, are suspended in liquids of different rheological behavior flowing in various regimes are taken up in this book. Interactions among solid particles in molecular scale are extended to aggregations in the macro scale and related to settling, flow and rheological behavior of the suspensions in a coherent, sequential manner. The classical concept of solid particles is extended to include nanoparticles, colloids, microorganisms and cellular materials. The flow of these systems is investigated under pressure, electrical, magnetic and chemical driving forces in channels ranging from macro-scale pipes to micro channels. Complementary separation and mixing processes are also taken under consideration with micro- and macro-scale counterparts. - Up-to-date including emerging technologies - Coherent, sequential approach - Wide scope: microorganisms, nanoparticles, polymer solutions, minerals, wastewater sludge, etc - All flow conditions, settling and non-settling particles, non-Newtonian flow, etc - Processes accompanying conveying in channels, such as sedimentation, separation, mixing

The Research on Particle Trajectory of Solid liquid Two phase Flow and Erosion Predicting in Screw Centrifugal Pump

The Research on Particle Trajectory of Solid liquid Two phase Flow and Erosion Predicting in Screw Centrifugal Pump Book
Author : N.A
Publisher :
Release : 2016
ISBN :
Language : En, Es, Fr & De

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Book Description :

Abstract: Use the Discrete Phase Model (DPM) based on Euler-Lagrange method, the internal flow field of screw centrifugal pump was simulated by computational fluid dynamics(CFD) code when transmission medium is solid-liquid two phase flow with large-size particles. The research of liquid phase is under the Euler coordinate system while the solid phase is under the Lagrange coordinate system. The energy change, trajectory characteristic of solid phase particle and its erosion damage rule of solid-phase particle in whole computational domain is analyzed with different density, partical size( d =0.05mm, d =0.2mm, d =2mm) and solid volume fraction( Cv =3%, Cv =5%, Cv =7%).The result shows that within a given diameter range, the low density fine particles trajectory are longer, more collision times with flow passage components, more energy loss and the erosion parts are relatively uniform, but particles which are large-size diameter and high density has a big collision angle with the surface of impeller and volute, even the area of impact and abrasion are quite focus, and easy to be transported. particles will impact with the head of impeller when it enter into impeller domain, the erosion mainly occurs on the work side of impeller.

Two Phase Flow

Two Phase Flow Book
Author : Cl Kleinstreuer
Publisher : CRC Press
Release : 2003-05-23
ISBN : 9781591690009
Language : En, Es, Fr & De

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Book Description :

This graduate text provides a unified treatment of the fundamental principles of two-phase flow and shows how to apply the principles to a variety of homogeneous mixture as well as separated liquid-liquid, gas-solid, liquid-solid, and gas-liquid flow problems, which may be steady or transient, laminar or turbulent. Each chapter contains several sample problems, which illustrate the outlined theory and provide approaches to find simplified analytic descriptions of complex two-phase flow phenomena. This well-balanced introductory text will be suitable for advanced seniors and graduate students in mechanical, chemical, biomedical, nuclear, environmental and aerospace engineering, as well as in applied mathematics and the physical sciences. It will be a valuable reference for practicing engineers and scientists. A solutions manual is available to qualified instructors.

Measuring Techniques in Gas Liquid Two Phase Flows

Measuring Techniques in Gas Liquid Two Phase Flows Book
Author : J.M. Delhaye,G. Cognet
Publisher : Springer Science & Business Media
Release : 2012-12-06
ISBN : 364282112X
Language : En, Es, Fr & De

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Book Description :

A IUTAM symposium on "Measuring Techniques in Gas-Liquid Two Phase Flows" was held on July 5-8, 1983 in Nancy, France. This topic in cluded instrumentation for steam-water and liquid-vapor flows but strictly excluded measuring techniques for gas or liquid flows with solid particles. The top priority in the paper selection was given to presentations of new methods which had been substantiated by theoretical modeling, calibration tests and comparison tests with other techniques. Examples of experimental resul ts obtained with the proposed instrumentation had to be displayed. However the interpretation of these results in terms of two-phase flow or heat transfer modeling did not fall wi thin the scope of the meeting. Thirty four papers were presented during the Symposium and 79 participants coming from Canada, European countries, Japan and the United States attended the sessions. They represented not only Universities but also state agencies and private companies. After the meeting each paper was peer-reviewed by at least three referees. The Editors of this Procee dings Volume are pleased to extend their deep gratitude to the following reviewers: J.L. Achard, R.J. Adrian, B. Azzopardi, J.A. Boure, G. Costigan, M. Courtaud, A.E. Dukler, F. Durst, J.R. Fincke, G. Gouesbet, P. Griffith, T.J. Hanratty, A. Hawighorst, T.R. Heidrick, G. Hetsroni, Y.Y. Hsu, M.

Basic Transport Phenomena in Materials Engineering

Basic Transport Phenomena in Materials Engineering Book
Author : Manabu Iguchi,Olusegun J. Ilegbusi
Publisher : Springer Science & Business Media
Release : 2013-09-12
ISBN : 4431540202
Language : En, Es, Fr & De

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Book Description :

This book presents the basic theory and experimental techniques of transport phenomena in materials processing operations. Such fundamental knowledge is highly useful for researchers and engineers in the field to improve the efficiency of conventional processes or develop novel technology. Divided into four parts, the book comprises 11 chapters describing the principles of momentum transfer, heat transfer, and mass transfer in single phase and multiphase systems. Each chapter includes examples with solutions and exercises to facilitate students’ learning. Diagnostic problems are also provided at the end of each part to assess students’ comprehension of the material. The book is aimed primarily at students in materials science and engineering. However, it can also serve as a useful reference text in chemical engineering as well as an introductory transport phenomena text in mechanical engineering. In addition, researchers and engineers engaged in materials processing operations will find the material useful for the design of experiments and mathematical models in transport phenomena. This volume contains unique features not usually found in traditional transport phenomena texts. It integrates experimental techniques and theory, both of which are required to adequately solve the inherently complex problems in materials processing operations. It takes a holistic approach by considering both single and multiphase systems, augmented with specific practical examples. There is a discussion of flow and heat transfer in microscale systems, which is relevant to the design of modern processes such as fuel cells and compact heat exchangers. Also described are auxiliary relationships including turbulence modeling, interfacial phenomena, rheology, and particulate systems, which are critical to many materials processing operations.

Two Phase Flow Phase Change and Numerical Modeling

Two Phase Flow  Phase Change and Numerical Modeling Book
Author : Jeff Winters
Publisher :
Release : 2016-10-01
ISBN : 9781681176581
Language : En, Es, Fr & De

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Book Description :

The heat transfer and analysis on laser beam, evaporator coils, shell-and-tube condenser, two phase flow, nanofluids, complex fluids, and on phase change are significant issues in a design of wide range of industrial processes and devices. The most common class of multiphase flows are two-phase flows. A gas-liquid flow is probably the most important form of multiphase flow, and is found widely in a whole range of industrial applications. These include pipeline systems for the transport of oil-gas mixtures, evaporators, boilers, condensers, submerged combustion systems, sewerage treatment plants, air-conditioning and refrigeration plants, and cryogenic plants. Gas-liquid systems are also important in the meteorology and in other natural phenomena. Flows of solids suspended in gases are important in pneumatic conveying and in pulverized fuel combustion. Fluidized beds may also be regarded as a form of gas-solid flow. Liquid-liquid flows are the flow of oil-water mixtures in pipelines and in liquid-liquid solvent extraction mass transfer systems. The most important application of liquid-solid flow is in the hydraulic conveying of solid materials. Liquid-solid suspensions also occur in crystallization systems, and in hydro-cyclones. Historically, probably the most commonly studied cases of two-phase flow are in large-scale power systems. Coal and gas-fired power stations used very large boilers to produce steam for use in turbines.Two Phase Flow, Phase Change and Numerical Modeling covers mainly numerical modeling of heat transfer, two phase flow, nanofluids, and phase change.

Nuclear Thermal Hydraulics

Nuclear Thermal Hydraulics Book
Author : Hajime Akimoto,Yoshinari Anoda,Kazuyuki Takase,Hiroyuki Yoshida,Hidesada Tamai
Publisher : Springer
Release : 2016-11-10
ISBN : 4431556036
Language : En, Es, Fr & De

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Book Description :

This volume provides fundamentals of nuclear thermal–hydraulics for reactor design and safety assessment. It also describes the basis for assessing cooling performance of nuclear reactors under accidental conditions. The descriptions in this book are virtually self-contained, beyond the assumption that readers are familiar with the introductory levels of nuclear engineering. This book helps readers understand the processes for nuclear reactor plant design and the most important factors in nuclear thermal-hydraulics.

Numerical Simulation of Multiphase Reactors with Continuous Liquid Phase

Numerical Simulation of Multiphase Reactors with Continuous Liquid Phase Book
Author : Chao Yang,Zai-Sha Mao
Publisher : Academic Press
Release : 2014-09-04
ISBN : 0124115799
Language : En, Es, Fr & De

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Book Description :

Numerical simulation of multiphase reactors with continuous liquid phase provides current research and findings in multiphase problems, which will assist researchers and engineers to advance this field. This is an ideal reference book for readers who are interested in design and scale-up of multiphase reactors and crystallizers, and using mathematical model and numerical simulation as tools. Yang and Mao’s book focuses on modeling and numerical applications directly in the chemical, petrochemical, and hydrometallurgical industries, rather than theories of multiphase flow. The content will help you to solve reacting flow problems and/or system design/optimization problems. The fundamentals and principles of flow and mass transfer in multiphase reactors with continuous liquid phase are covered, which will aid the reader’s understanding of multiphase reaction engineering. Provides practical applications for using multiphase stirred tanks, reactors, and microreactors, with detailed explanation of investigation methods. Presents the most recent research efforts in this highly active field on multiphase reactors and crystallizers. Covers mathematical models, numerical methods and experimental techniques for multiphase flow and mass transfer in reactors and crystallizers.

Critical Regimes of Two Phase Flows with a Polydisperse Solid Phase

Critical Regimes of Two Phase Flows with a Polydisperse Solid Phase Book
Author : Eugene Barsky
Publisher : Springer Science & Business Media
Release : 2010-04-15
ISBN : 9789048188383
Language : En, Es, Fr & De

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Book Description :

Critical regimes of two-phase flows with a polydisperse solid phase form the basis of such widespread industrial processes as separation of various powdery materials and minerals dressing. It is impossible to describe such complicated flows analytically. Therefore, this study concentrates on invariants experimentally revealed and theoretically grounded for such flows. This approach can be compared with the situation in gases, where in order to determine principal parameters of their state, one does not need to measure the kinetic energy and velocity of each molecule and find its contribution to the temperature and pressure. These parameters are determined in a simple way for the system on the whole. A novel conception of two-phase flows allowing the formulation of their statistical parameters is physically substantiated. On the basis of the invariants and these parameters, a comprehensive method of estimating and predicting mass transfer in such flows is developed. It is noteworthy that the presented results are mostly phenomenological. Such an approach can be successfully extended to the separation of liquids, gases and isotopes. The book is intended for students and specialists engaged in chemical technology, mineral dressing, ceramics, microelectronics, pharmacology, power generation, thermal engineering and other fields in which flows carrying solid particles are used in the technological process.

Thermo fluid Dynamics of Two Phase Flow

Thermo fluid Dynamics of Two Phase Flow Book
Author : Mamoru Ishii,Takashi Hibiki
Publisher : Springer Science & Business Media
Release : 2007-03-12
ISBN : 9780387283210
Language : En, Es, Fr & De

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Book Description :

This book has been written for graduate students, scientists and engineers who need in-depth theoretical foundations to solve two-phase problems in various technological systems. Based on extensive research experiences focused on the fundamental physics of two-phase flow, the authors present the detailed theoretical foundation of multi-phase flow thermo-fluid dynamics as they apply to a variety of scenarios, including nuclear reactor transient and accident analysis, energy systems, power generation systems and even space propulsion.

Principles of Convective Heat Transfer

Principles of Convective Heat Transfer Book
Author : Massoud Kaviany
Publisher : Springer Science & Business Media
Release : 2013-11-21
ISBN : 1475734883
Language : En, Es, Fr & De

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Book Description :

This concise and unified text reviews recent contributions to the principles of convective heat transfer for single and multi-phase systems. This valuable new edition has been updated throughout and contains new examples and problems.

Annular Two Phase Flow

Annular Two Phase Flow Book
Author : Geoffrey Hewitt
Publisher : Elsevier
Release : 2013-10-22
ISBN : 1483285235
Language : En, Es, Fr & De

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Book Description :

Annular Two-Phase Flow presents the wide range of industrial applications of annular two-phase flow regimes. This book discusses the fluid dynamics and heat transfer aspects of the flow pattern. Organized into 12 chapters, this book begins with an overview of the classification of the various types of interface distribution observed in practice. This text then examines the various regimes of two-phase flow with emphasis on the regions of occurrence of the annular flow regime. Other chapters consider the single momentum and energy balances, which illustrate the differences and analogies between single- and two-phase flows. This book discusses as well the simple modes for annular flow with consideration to the calculation of the profile of shear stress in the liquid film. The final chapter deals with the techniques that are developed for the measurement of flow pattern, entrainment, and film thickness. This book is a valuable resource for chemical engineers.

Modeling Multiphase Materials Processes

Modeling Multiphase Materials Processes Book
Author : Manabu Iguchi,Olusegun J. Ilegbusi
Publisher : Springer Science & Business Media
Release : 2010-11-10
ISBN : 9781441974792
Language : En, Es, Fr & De

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Book Description :

Modeling Multiphase Materials Processes: Gas-Liquid Systems describes the methodology and application of physical and mathematical modeling to multi-phase flow phenomena in materials processing. The book focuses on systems involving gas-liquid interaction, the most prevalent in current metallurgical processes. The performance characteristics of these processes are largely dependent on transport phenomena. This volume covers the inherent characteristics that complicate the modeling of transport phenomena in such systems, including complex multiphase structure, intense turbulence, opacity of fluid, high temperature, coupled heat and mass transfer, chemical reactions in some cases, and poor wettability of the reactor walls. Also discussed are: solutions based on experimental and numerical modeling of bubbling jet systems, recent advances in the modeling of nanoscale multi-phase phenomena and multiphase flows in micro-scale and nano-scale channels and reactors. Modeling Multiphase Materials Processes: Gas-Liquid Systems will prove a valuable reference for researchers and engineers working in mathematical modeling and materials processing.

Two Phase Flows in Chemical Engineering

Two Phase Flows in Chemical Engineering Book
Author : David Azbel
Publisher : Cambridge University Press
Release : 1981-08-31
ISBN : 9780521237727
Language : En, Es, Fr & De

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Book Description :

The behaviour of bubbles is a unifying theme of this book. From an explanation of the fundamentals of bubbles formation at a single orifice, Dr Azbel goes on to set up equations for bubble motion, bubble size, bubble-size distribution and pressure drop across a perforated plate.

Advances in Solid Liquid Flow in Pipes and Its Application

Advances in Solid   Liquid Flow in Pipes and Its Application Book
Author : Iraj Zandi
Publisher : Elsevier
Release : 2013-09-17
ISBN : 1483151298
Language : En, Es, Fr & De

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Book Description :

Advances in Solid-Liquid Flow in Pipes and its Application focuses on solid-liquid interactions. The selection first takes a look at hydraulic transport of bulky materials and role of lift in the radial migration of particles in a pipe flow. Topics include the technological and economical considerations of transporting materials; lift model and the equations of motion; coefficients of lift and drag; and calculated behavior of particles in a pipe flow. The book then discusses particle and fluid velocities of turbulent flows of suspensions of neutrally buoyant particles; phase-separation phenomena in iso-density, two-phase flows; and transient flow of solid-liquid mixtures in pipes. The text discusses pipeline transportation of coke in petroleum products, including slurry components, hydraulic tests, and hydraulic characteristics of slurry. The book then evaluates the use of heavy media in the pipeline transport of particulate solids. Comparison of pressure gradients and equipment and experimental procedures are highlighted. The selection is a valuable reference for readers interested in solid-liquid interactions.

Handbook of Membrane Separations

Handbook of Membrane Separations Book
Author : Anil Kumar Pabby,Syed S.H. Rizvi,Ana Maria Sastre Requena
Publisher : CRC Press
Release : 2008-07-07
ISBN : 1420009486
Language : En, Es, Fr & De

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Book Description :

The Handbook of Membrane Separations: Chemical, Pharmaceutical, and Biotechnological Applications provides detailed information on membrane separation technologies as they have evolved over the past decades. To provide a basic understanding of membrane technology, this book documents the developments dealing with these technologies. It explo

Cryogenic Heat Transfer

Cryogenic Heat Transfer Book
Author : Randall F. Barron
Publisher : CRC Press
Release : 1999-05-01
ISBN : 9781560325512
Language : En, Es, Fr & De

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Book Description :

Presents applied heat transfer principles in the range of extremely low temperatures. The specific features of heat transfer at cryogenic temperatures, such as variable properties, near critical convection, and Kapitza resistance, are described. This book includes many example problems, in each section, that help to illustrate the applications of the principles presented.