Turbulent Liquid Mixing
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Turbulence In Mixing Operations
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Author : Robert Brodkey
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Turbulence In Mixing Operations written by Robert Brodkey and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Technology & Engineering categories.
Turbulence in Mixing Operations: Theory and Application to Mixing and Reaction presents a summary of the current status of research on turbulent motion, mixing, and kinetics. Each chapter of this book discusses turbulence in the context of mixing and reaction in scalar fields. Chapters I and III discuss the classification of turbulent reacting systems and the different possibilities in this context. Chapter II reviews the properties of passive mixing. Chapter IV looks at turbulent mixing in chemically reactive flows. Chapter V uses different techniques to make parallel numerical calculations of both mixing and reaction. Finally, Chapter VI reviews turbulence and actual industrial mixing operations. This book will be of great value for chemical and industrial engineers, especially for those interested in turbulent and industrial mixing.
Liquid Mixing In Turbulent Flow
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Author : Harvey Rosenhouse
language : en
Publisher:
Release Date : 1964
Liquid Mixing In Turbulent Flow written by Harvey Rosenhouse and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with categories.
Experiments On Turbulent Mixing And Chemical Reactions In A Liquid Mixing Layer
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Author : Manoochehr Mohseni Koochesfahani
language : en
Publisher:
Release Date : 1984
Experiments On Turbulent Mixing And Chemical Reactions In A Liquid Mixing Layer written by Manoochehr Mohseni Koochesfahani and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Electronic dissertations categories.
Turbulent Liquid Mixing
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Author : David Ernest Christiansen
language : en
Publisher:
Release Date : 1967
Turbulent Liquid Mixing written by David Ernest Christiansen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Fluid dynamics categories.
Optical Measurements Of Mixing Processes In Turbulent Fluid Flows
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Author : Huixin Li
language : en
Publisher:
Release Date : 2023
Optical Measurements Of Mixing Processes In Turbulent Fluid Flows written by Huixin Li and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with categories.
Many processes in chemical engineering and oceanography rely on fluid mixing. This thesis focuses on optical measurement techniques to experimentally investigate miscible liquid-liquid mixing and gas-liquid mixing. Previous numerical studies have examined the turbulent small-scale mixing, which is experimentally challenging because of the limited spatial resolution of the measurement techniques. A further difficulty emerges for active fluid mixing. When fluids of different densities, such as water and ethanol are mixed, experimental measurements for the small-scale fluctuations in turbulence are impeded by the optical distortion due to the spatio-temporally varying refractive index field. In this thesis, in order to investigate small-scale liquid-liquid mixing, an upscaled T-mixer was built with a height of 40 millimetres. A planar laser-induced fluorescence (PLIF) with high resolution was employed in proof-of-concept experiments concerning the T-junction. The results indicate that measuring the small-scale mixing in the viscous-convective range where the velocity does not fluctuate, but the scalar does, is possible. Subsequently, long inlet channels were added to the T-junction and the particle image velocimetry (PIV) technique was used to verify the fully developed laminar flows and to investigate the flow regimes for different Reynolds numbers. It was found that the present setup can achieve inlet conditions with fully developed laminar flows when the Reynolds number is smaller than 1100. The setup was validated by repeating the flow regimes in previous studies. However, small temperature differences had a weak effect on flow regimes, which should be avoided in the next measurements. Overall, high-quality measuring of the small-scale mixing dynamics in the T-mixer is now within reach. For active mixing with fluids of different densities, mixing usually causes optical measurement errors. In this thesis, a ray tracing simulation method is used in a three-dimensional flow to quantify the measurement errors of the flow velocity and flow acceleration for tracer-based velocimetry, i.e., particle tracking velocimetry (PTV). The flow field is from a direct numerical simulation of single-phase turbulent mixing of two miscible fluids. The measurement errors increase with increasing the refractive index difference. The errors of both velocity and acceleration are attributed to the spatial and the spatio-temporal gradients of the refractive indices. Since PTV, PIV and PLIF share the same working principles based on geometric optics, the findings are also assumed to hold for the measurements of other techniques. The thermal effect in the T-mixer on the measurement errors is subsequently estimated and found to be negligible. Finally, gas-liquid mixing is examined, in which a weakly soluble gas is transferred across the gas-liquid interface. This process is related to the climate balance and depends on surface waves and turbulence underneath the water in the ocean. Utilizing the refraction at the interface and optical displacements, a synthetic Schlieren method is developed to measure the surface topography. This method is implemented in experiments and allows high-accuracy measurements of free surface waves. This makes it feasible to implement simultaneous measurements of surface waves, mass transportation and turbulence under the water.
Turbulent Mixing In Nonreactive And Reactive Flows
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Author : S. Murthy
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-11
Turbulent Mixing In Nonreactive And Reactive Flows written by S. Murthy and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-11 with Science categories.
Turbulence, mixing and the mutual interaction of turbulence and chemistry continue to remain perplexing and impregnable in the fron tiers of fluid mechanics. The past ten years have brought enormous advances in computers and computational techniques on the one hand and in measurements and data processing on the other. The impact of such capabilities has led to a revolution both in the understanding of the structure of turbulence as well as in the predictive methods for application in technology. The early ideas on turbulence being an array of complicated phenomena and having some form of reasonably strong coherent struc ture have become well substantiated in recent experimental work. We are still at the very beginning of understanding all of the aspects of such coherence and of the possibilities of incorporating such structure into the analytical models for even those cases where the thin shear layer approximation may be valid. Nevertheless a distinguished body of "eddy chasers" has come into existence. The structure of mixing layers which has been studied for some years in terms of correlations and spectral analysis is also getting better understood. Both probability concepts such as intermittency and conditional sampling as well as the concept of large scale structure and the associated strain seem to indicate possibilities of distinguishing and synthesizing 'engulfment' and molecular mixing.
Turbulent Mixing And Chemical Reactions
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Author : Jerzy Bałdyga
language : en
Publisher: John Wiley & Sons
Release Date : 1999-03-12
Turbulent Mixing And Chemical Reactions written by Jerzy Bałdyga and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-03-12 with Science categories.
Turbulent Mixing and Chemical Reactions Jerzy Ba???dyga, Warsaw University of Technology, Poland John R. Bourne, Visiting Professor, University of Birmingham, UK and Emeritus Professor, ETH Zurich, Switzerland The way in which reagents are mixed can greatly influence the yield and range of products formed by fast, multiple chemical reactions. Understanding this phenomenon enables chemists to carry out reactions more selectively, make better use of raw materials and simplify product workup and separation. Turbulent Mixing and Chemical Reactions presents a balanced treatment of the connection between mixing and reaction. It contains theoretical aspects, experimental methods and expected results as well as worked examples to illustrate problem solving. This book will be of interest to all scientists involved in chemical engineering, physical chemistry, and synthetic chemists in the fine chemical and pharmaceuticals industry.
Fluid Mixing And Gas Dispersion In Agitated Tanks
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Author : Gary B. Tatterson
language : en
Publisher: McGraw-Hill Companies
Release Date : 1991
Fluid Mixing And Gas Dispersion In Agitated Tanks written by Gary B. Tatterson and has been published by McGraw-Hill Companies this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Science categories.
This book covers the essentials of fluid mechanics and explains how to apply fundamental principles to achieve optimum time and capacity efficiency with a minimum of waste. Individual chapters are devoted to the mixing tank, power consumption in turbulent flow, power consumption in viscous creeping flow, mixing in turbulent agitated tanks, and laminar mixing and gas dispersion in agitated tanks. The book provides guidelines for performing design calculations, determining design limits and validating design methodology. The book also covers safety considerations and scale-up processes, and includes technical references to assist the validation of design equations.
Modeling And Simulation Of Turbulent Mixing And Reaction
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Author : Daniel Livescu
language : en
Publisher: Springer Nature
Release Date : 2020-02-19
Modeling And Simulation Of Turbulent Mixing And Reaction written by Daniel Livescu and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-02-19 with Technology & Engineering categories.
This book highlights recent research advances in the area of turbulent flows from both industry and academia for applications in the area of Aerospace and Mechanical engineering. Contributions include modeling, simulations and experiments meant for researchers, professionals and students in the area.
Multiphase Particulate Systems In Turbulent Flows
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Author : Wioletta Podgórska
language : en
Publisher: CRC Press
Release Date : 2019-09-17
Multiphase Particulate Systems In Turbulent Flows written by Wioletta Podgórska and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-09-17 with Science categories.
Multiphase Particulate Systems in Turbulent Flows: Fluid-Liquid and Solid-Liquid Dispersions provides methods necessary to analyze complex particulate systems and related phenomena including physical, chemical and mathematical description of fundamental processes influencing crystal size and shape, suspension rheology, interfacial area of drops and bubbles in extractors and bubble columns. Examples of mathematical model formulation for different processes taking place in such systems is shown. Discussing connections between turbulent mixing mechanisms and precipitation, it discusses influence of fine-scale structure of turbulence, including its intermittent character, on breakage of drops, bubbles, cells, plant cell aggregates. An important aspect of the mathematical modeling presented in the book is multi-fractal, taking into account the influence of internal intermittency on different phenomena. Key Features Provides detailed descriptions of dispersion processes in turbulent flow, interactions between dispersed entities, and continuous phase in a single volume Includes simulation models and validation experiments for liquid-liquid, gas-liquid, and solid-liquid dispersions in turbulent flows Helps reader learn formulation of mathematical models of breakage or aggregation processes using multifractal theory Explains how to solve different forms of population balance equations Presents a combination of theoretical and engineering approaches to particulate systems along with discussion of related diversity, with exercises and case studies
