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Author : Aleksej Šilkin
Publisher :
ISBN 13 : 9783183888030
Total Pages : 82 pages
Book Rating : 4.8/5 (88 download)
Download or read book Modelling Transport Phenomena in Structured Packings Using Hydrodynamic Analogy written by Aleksej Šilkin and published by . This book was released on 2008 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Eva Sørensen
Publisher : IChemE
ISBN 13 : 9780852955055
Total Pages : 1066 pages
Book Rating : 4.9/5 (55 download)
Download or read book Distillation and Absorption 2006 written by Eva Sørensen and published by IChemE. This book was released on 2006 with total page 1066 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work contains the proceedings of the Distillation and Absorption conference, which happens every 5 years. This collection of 100 contributions spanning 23 countries showcase the newest and best distillation and absorption technologies which cover a broad range of fundamental and applied aspects of the technology. To address these aspects, the contributions have been put into seven themes: modelling and simulation (steady-state, dynamic and CFD); energy efficiency and sustainability; equipment design and operation; integrated, hybrid and novel processes; process troubleshooting and handling operational problems; control and operation; and basic data.
Author : Luke Howard Macfarlan
Publisher :
ISBN 13 :
Total Pages : 428 pages
Book Rating : 4.:/5 (128 download)
Download or read book Predictions of the Mass Transfer in Structured Packings Using Computational Fluid Dynamics written by Luke Howard Macfarlan and published by . This book was released on 2021 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemical separations are widely performed in industry, with vapor-liquid contactors often accomplishing these separations and providing high-purity products. Structured packings are commonly employed in vapor-liquid contactors and exhibit low pressure drops, high throughputs, and excellent chemical separation performance. Despite the widespread use of these packings, the transport phenomena occurring within them are incompletely understood, inhibiting improvement efforts. Computational fluid dynamics (CFD) is a promising approach to predict the transport phenomena occurring inside the packings and to guide packing innovation. In this work, CFD predicted the gas-phase mass transfer performance of structured packings, and several key observations resulted. After a model for turbulence-aided mass transfer was identified with pipe flow simulations, the gas-phase mass transfer performance of a traditional structured packing was predicted. The mass transfer coefficients from CFD showed a five percent deviation compared to experimental data, validating the simulations. A geometry investigation determined the impact of three fundamental structured packing parameters on the packing performance. Improved mass transfer performance often occurred at the cost of hydrodynamic performance. Turbulence had a large impact on the gas-phase predictions. The liquid-phase mass transfer in structured packings was also simulated. A novel simulation methodology enabled the structured packing performance predictions. To validate the hydrodynamic predictions from the CFD simulations, the predicted liquid holdup was compared to experimental liquid holdup data and showed a deviation of six percent. Comparisons of the predicted liquid flow angle and friction factor to analytical expressions further validated the hydrodynamic CFD predictions. The liquid mass transfer coefficient predictions were validated with experimental data, having a deviation of eight percent, as well as with semi-empirical models. A structured packing geometry study was conducted for the liquid-phase performance, and liquid upheaval near packing crimps significantly contributed to the chemical separation. A novel interfacial mass transfer model was developed for multiphase CFD simulations. This model can handle concentration jumps of multiple orders of magnitude across the gas-liquid interface. An analytical solution to a two-dimensional system validated the CFD predictions, producing an error of less than one percent. The model was adapted for turbulent conditions and was demonstrated on a structured packing system
Author : Mirko Skiborowski
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110720469
Total Pages : 584 pages
Book Rating : 4.1/5 (17 download)
Download or read book Process Intensification written by Mirko Skiborowski and published by Walter de Gruyter GmbH & Co KG. This book was released on 2022-06-06 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: Process intensifi cation aims for increasing effi ciency and sustainability of (bio-)chemical production processes. This book presents strategies for the intensifi cation of fluid separation processes such as reactive distillation, reactive absorption and membrane assisted separations. The authors discuss theoretical fundamentals, model development, methods for synthesis and the design as well as scale-up and industrial process applications.
Author : Andrzej Gorak
Publisher : Academic Press
ISBN 13 : 0123865484
Total Pages : 531 pages
Book Rating : 4.1/5 (238 download)
Download or read book Distillation written by Andrzej Gorak and published by Academic Press. This book was released on 2014-07-22 with total page 531 pages. Available in PDF, EPUB and Kindle. Book excerpt: Distillation: Fundamentals and Principles — winner of the 2015 PROSE Award in Chemistry & Physics — is a single source of authoritative information on all aspects of the theory and practice of modern distillation, suitable for advanced students and professionals working in a laboratory, industrial plants, or a managerial capacity. It addresses the most important and current research on industrial distillation, including all steps in process design (feasibility study, modeling, and experimental validation), together with operation and control aspects. This volume features an extra focus on the conceptual design of distillation. - Winner of the 2015 PROSE Award in Chemistry & Physics from the Association of American Publishers - Practical information on the newest development written by recognized experts - Coverage of a huge range of laboratory and industrial distillation approaches - Extensive references for each chapter facilitates further study
Author : Ismail Tosun
Publisher : Elsevier
ISBN 13 : 0080511856
Total Pages : 607 pages
Book Rating : 4.0/5 (85 download)
Download or read book Modelling in Transport Phenomena written by Ismail Tosun and published by Elsevier. This book was released on 2002-08-15 with total page 607 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modelling in Transport Phenomena: A Conceptual Approach aims to show students how to translate the inventory rate equation into mathematical terms at both the macroscopic and microscopic levels. The emphasis is on obtaining the equation representing a physical phenomenon and its interpretation. The book begins with a discussion of basic concepts and their characteristics. It then explains the terms appearing in the inventory rate equation, including ""rate of input"" and ""rate of output."" The rate of generation in transport of mass, momentum, and energy is also described. Subsequent chapters detail the application of inventory rate equations at the macroscopic and microscopic levels. This book is intended as an undergraduate textbook for an introductory Transport Phenomena course in the junior year. It can also be used in unit operations courses in conjunction with standard textbooks. Although it is written for students majoring in chemical engineering, it can also serve as a reference or supplementary text in environmental, mechanical, petroleum, and civil engineering courses.
Author : Jacob Bear
Publisher : Springer Science & Business Media
ISBN 13 : 9780792314431
Total Pages : 398 pages
Book Rating : 4.3/5 (144 download)
Download or read book Modelling and Applications of Transport Phenomena in Porous Media written by Jacob Bear and published by Springer Science & Business Media. This book was released on 1991-11-30 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transport phenomenain porous media are encounteredin various disciplines, e. g. , civil engineering, chemical engineering, reservoir engineering, agricul tural engineering and soil science. In these disciplines, problems are en countered in which various extensive quantities, e. g. , mass and heat, are transported through a porous material domain. Often, the void space of the porous material contains two or three fluid phases, and the various ex tensive quantities are transported simultaneously through the multiphase system. In all these disciplines, decisions related to a system's development and its operation have to be made. To do so a tool is needed that will pro vide a forecast of the system's response to the implementation of proposed decisions. This response is expressed in the form of spatial and temporal distributions of the state variables that describe the system's behavior. Ex amples of such state variables are pressure, stress, strain, density, velocity, solute concentration, temperature, etc. , for each phase in the system, The tool that enables the required predictions is the model. A model may be defined as a simplified version of the real porous medium system and the transport phenomena that occur in it. Because the model is a sim plified version of the real system, no unique model exists for a given porous medium system. Different sets of simplifying assumptions, each suitable for a particular task, will result in different models.
Author : Malay K. Das
Publisher : Springer
ISBN 13 : 3319698664
Total Pages : 250 pages
Book Rating : 4.3/5 (196 download)
Download or read book Modeling Transport Phenomena in Porous Media with Applications written by Malay K. Das and published by Springer. This book was released on 2017-11-21 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an ensemble of six major chapters, an introduction, and a closure on modeling transport phenomena in porous media with applications. Two of the six chapters explain the underlying theories, whereas the rest focus on new applications. Porous media transport is essentially a multi-scale process. Accordingly, the related theory described in the second and third chapters covers both continuum‐ and meso‐scale phenomena. Examining the continuum formulation imparts rigor to the empirical porous media models, while the mesoscopic model focuses on the physical processes within the pores. Porous media models are discussed in the context of a few important engineering applications. These include biomedical problems, gas hydrate reservoirs, regenerators, and fuel cells. The discussion reveals the strengths and weaknesses of existing models as well as future research directions.
Author : Ismail Tosun
Publisher : Elsevier
ISBN 13 : 0080549500
Total Pages : 629 pages
Book Rating : 4.0/5 (85 download)
Download or read book Modeling in Transport Phenomena written by Ismail Tosun and published by Elsevier. This book was released on 2007-07-17 with total page 629 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modeling in Transport Phenomena, Second Edition presents and clearly explains with example problems the basic concepts and their applications to fluid flow, heat transfer, mass transfer, chemical reaction engineering and thermodynamics. A balanced approach is presented between analysis and synthesis, students will understand how to use the solution in engineering analysis. Systematic derivations of the equations and the physical significance of each term are given in detail, for students to easily understand and follow up the material.There is a strong incentive in science and engineering to understand why a phenomenon behaves the way it does. For this purpose, a complicated real-life problem is transformed into a mathematically tractable problem while preserving the essential features of it. Such a process, known as mathematical modeling, requires understanding of the basic concepts. This book teaches students these basic concepts and shows the similarities between them. Answers to all problems are provided allowing students to check their solutions. Emphasis is on how to get the model equation representing a physical phenomenon and not on exploiting various numerical techniques to solve mathematical equations. - A balanced approach is presented between analysis and synthesis, students will understand how to use the solution in engineering analysis. - Systematic derivations of the equations as well as the physical significance of each term are given in detail - Many more problems and examples are given than in the first edition - answers provided
Author : Nikolai Kolev
Publisher : Elsevier
ISBN 13 : 0080463924
Total Pages : 709 pages
Book Rating : 4.0/5 (84 download)
Download or read book Packed Bed Columns written by Nikolai Kolev and published by Elsevier. This book was released on 2006-08-08 with total page 709 pages. Available in PDF, EPUB and Kindle. Book excerpt: Packed bed columns are largely employed for absorption, desorption, rectification and direct heat transfer processes in chemical and food industry, environmental protection and also processes in thermal power stations like water purification, flue gas heat utilization and SO2 removal. These Separation processes, are estimated to account for 40%-70% of capital and operating costs in process industry. Packed bed columns are widely employed in this area. Their usage also for direct heat transfer between gas and liquid, enlarge their importance. They are the best apparatuses, from thermodynamical point of view, for mass and heat transfer processes between gas and liquid phase. Their wide spreading is due to low capital investments and operating costs. Since 1995 there has not been published a specialised book in this area, and this is a period of quick development of packed columns. Packed Bed Columns reflects the state of this field including the author's experience on creating and investigating of new packings, column internals and industrial columns. - Considers the theories of mass transfer processes and shows how they help the construction of highly effective packings - Complete information about the performance characteristics of different modern types of highly effective packings - Considers the models for calculation and areas of their application
Author : G. I. Kelbaliyev
Publisher : CRC Press
ISBN 13 : 0429535910
Total Pages : 303 pages
Book Rating : 4.4/5 (295 download)
Download or read book Transport Phenomena in Dispersed Media written by G. I. Kelbaliyev and published by CRC Press. This book was released on 2019-09-26 with total page 303 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transport Phenomena in Dispersed Media addresses the main problems associated with the transfer of heat, mass and momentum. The authors focus on the analytical solutions of the mass and heat transfer equations; the theoretical problems of coalescence, coagulation, aggregation and fragmentation of dispersed particles; the rheology of structured aggregate and kinetically stable disperse systems; the precipitation of particles in a turbulent flow; the evolution of the distribution function; the stochastic counterpart of the mass transfer equations; the dissipation of energy in disperse systems; and many other problems that distinguish this book from existing publications. Key Selling Features Covers all technological processes taking place in the oil and gas complex, as well as in the petrochemical industry Presents new original solutions for calculating design as well as for the development and implementation of processes of chemical technology Organized to first provide an extensive review of each chapter topic, solve specific problems, and then review the solutions with the reader Contains complex mathematical expressions for practical calculations Compares results obtained on the basis of mathematical models with experimental data
Author :
Publisher :
ISBN 13 :
Total Pages : 1048 pages
Book Rating : 4.F/5 ( download)
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 1048 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jerzy Mackowiak
Publisher : Springer Science & Business Media
ISBN 13 : 3540887814
Total Pages : 368 pages
Book Rating : 4.5/5 (48 download)
Download or read book Fluid Dynamics of Packed Columns written by Jerzy Mackowiak and published by Springer Science & Business Media. This book was released on 2009-12-10 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: The?rstGermanedition of thebook“Fluiddynamicsofpackedcolumns with modern random and structured packings for gas/liquid systems” was published in 1991. It sold out within a few years. Added to this were numerous enquiries, in particular within the industry, prompting me to publish a second, extended edition. A packed column remains the core element of any diffusional separation process. This underlines the need for basic design principles for packed columns, which enhance the design process by making it more accurate and reliable. The SBD (suspended bed of droplets) model introduced in the ?rst German edition of the book was well received by the experts and is now used by a large number of com- nies in the industry, as it offers improved reliability in the ?uid dynamic design of packed columns. For the purpose of facilitating the design process, the SBD model was in- grated into the simulation programme ChemCAD. The software programme FDPAK, which is available for Windows, has certainly contributed to the widespread use of the SBD model. The programme is very user-friendly and the calculation results are p- sented in tabular as well as graphic form, showing ?ood load, pressure drop and hold-up diagrams in the entire operating range.
Author : Andrea Puglisi
Publisher : Springer
ISBN 13 : 3319102869
Total Pages : 131 pages
Book Rating : 4.3/5 (191 download)
Download or read book Transport and Fluctuations in Granular Fluids written by Andrea Puglisi and published by Springer. This book was released on 2014-09-02 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt: This brief offers a concise presentation of granular fluids from the point of view of non-equilibrium statistical physics. The emphasis is on fluctuations, which can be large in granular fluids due to the small system size (the number of grains is many orders of magnitude smaller than in molecular fluids). Firstly, readers will be introduced to the most intriguing experiments on fluidized granular fluids. Then granular fluid theory, which goes through increasing levels of coarse-graining and emerging collective phenomena, is described. Problems and questions are initially posed at the level of kinetic theory, which describes particle densities in full or reduced phase-space. Some answers become clear through hydrodynamics, which describes the evolution of slowly evolving fields. Granular fluctuating hydrodynamics, which builds a bridge to the most recent results in non-equilibrium statistical mechanics, is also introduced. Further and more interesting answers come when the dynamics of a massive intruder are discussed. Such non-equilibrium stochastic process offers a more precise and compact picture of the features foreseen at the more detailed levels of description. The dynamics of an intruder diffusing in a granular fluid reveal the clearest connection with recent theories on stochastic energetics and stochastic thermodynamics.
Author : G. Hauke
Publisher : Springer Science & Business Media
ISBN 13 : 1402085370
Total Pages : 301 pages
Book Rating : 4.4/5 (2 download)
Download or read book An Introduction to Fluid Mechanics and Transport Phenomena written by G. Hauke and published by Springer Science & Business Media. This book was released on 2008-08-26 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the foundations of fluid mechanics and transport phenomena in a concise way. It is suitable as an introduction to the subject as it contains many examples, proposed problems and a chapter for self-evaluation.
Author : Robert Byron Bird
Publisher :
ISBN 13 :
Total Pages : 780 pages
Book Rating : 4.:/5 (896 download)
Download or read book Transport Phenomena written by Robert Byron Bird and published by . This book was released on 1960 with total page 780 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David Reay
Publisher : Butterworth-Heinemann
ISBN 13 : 0080983057
Total Pages : 624 pages
Book Rating : 4.0/5 (89 download)
Download or read book Process Intensification written by David Reay and published by Butterworth-Heinemann. This book was released on 2013-06-05 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt: Process Intensification: Engineering for Efficiency, Sustainability and Flexibility is the first book to provide a practical working guide to understanding process intensification (PI) and developing successful PI solutions and applications in chemical process, civil, environmental, energy, pharmaceutical, biological, and biochemical systems. Process intensification is a chemical and process design approach that leads to substantially smaller, cleaner, safer, and more energy efficient process technology. It improves process flexibility, product quality, speed to market and inherent safety, with a reduced environmental footprint. This book represents a valuable resource for engineers working with leading-edge process technologies, and those involved research and development of chemical, process, environmental, pharmaceutical, and bioscience systems. - No other reference covers both the technology and application of PI, addressing fundamentals, industry applications, and including a development and implementation guide - Covers hot and high growth topics, including emission prevention, sustainable design, and pinch analysis - World-class authors: Colin Ramshaw pioneered PI at ICI and is widely credited as the father of the technology
