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Modeling Of Drainage In Coalescence Filtration
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Book Synopsis Modeling of Drainage in Coalescence Filtration by : Saravanan Andan
Download or read book Modeling of Drainage in Coalescence Filtration written by Saravanan Andan and published by . This book was released on 2010 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Pure air/gas is very critical to many industrial applications. Gas streams contain impurities in the form of solid and liquid aerosols in micron and submicron sizes. It is very important to remove these aerosols for protecting our health and environment, improving the reliability of industrial processes and equipments. Among different filters being used, fibrous filters are very effective in removing aerosols in micron-submicron sizes. Important applications include compressed gas cleaning, CCV, HVAC, refineries, breathing apparatus, etc. To remove liquid droplets from a gas stream, fibrous filters act as a coalescing medium where smaller droplets merge to form bigger droplets which eventually drain out of the filter with clean gas going to the downstream process. The performance of a coalescing filter medium depends on many factors like droplet and fiber size, face velocity, gas and liquid properties, liquid accumulation etc. The current work aims at developing a model to determine the liquid accumulation which is otherwise referred as the saturation. Higher the saturation at steady state, higher is the pressure drop which will increase the operating cost. This dissertation work is divided in to three categories. In the first category, the multiphase equations are solved at steady state with various saturation profiles and determine the filtration performance. The main goal of this part is to check is the saturation is really an important parameter for coalescing filtration. In the second category, the saturation profile is determined using layered filter medium. Several layers of glass fiber filters are arranged in series and challenged with liquid aerosols. The saturation is measured using the weight of the liquid accumulated on each layer. In the third category, the multiphase equation is solved at unsteady state to predict the saturation theoretically. The unsteady state model takes in to account the dominant mechanisms for drop capture, growth and break-up on the media. The proposed mechanisms are droplets on fibers, droplets on drops, sweep and break-up mechanisms. The model evaluates each mechanism on a step-by-step process and updates the number of drops of each size with respect to time and position. Total volume of drops at each position is then calculated to determine saturation with time. The sensitivity of few important parameters towards the final filtration performance is also determined using this model. The model results can be used to determine optimum parameter values to achieve higher efficiency with much less pressure drop."--Abstract.
Book Synopsis Improved Performance with Layer Orientation Incorporated Pleated Media on Coalescence Filtration by : Rahul Bharadwaj
Download or read book Improved Performance with Layer Orientation Incorporated Pleated Media on Coalescence Filtration written by Rahul Bharadwaj and published by . This book was released on 2010 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experimental observations show fiber orientation and layer orientation in filter media effect the permeability and the separation efficiency of coalescing filters. The effects of fiber orientation have been studied by various industries including polymer, paper and textiles, to enhance their product lines. This has also been proven beneficial to the filtration industry because orientation of fibers can lead to lower pressure drop. The main objective of this work is to study the effects of layer orientations and test its performance. This technique is an alternative to using electric field for making oriented fiber media. It incorporates stacking micro fiber sheets at different angles (0,30,45,60 and 90). For capture of liquid droplets, the decrease in pressure drop obtained is offset by the decrease in capture efficiency, resulting in nearly constant quality factor regardless of fiber orientation. However, in coalescing filter media this method shows improvement in liquid drainage from the filter and can improve the quality factor from 20 to 60%. In coalescing filter media the fiber orientation can have an added benefit of reducing the liquid saturation in the filter media, which leads to an improved quality factor for the filter media and can be very useful in making self-cleaning filters. The stacking sheets can be extended to a pleated structure, which is relatively easier to construct from an industrial point of view. However, it is challenging to control the angle of the pleats during the construction of the media. Therefore varying the angle of the pleated structure with respect to the flow can surmount this problem. Another filter design is proposed which can mimic the angled pleated design by keeping the pleating angle constant (at zero degree) and changing the angle of the filter holder. Both designs have higher performance compared to a regular pleated media. Multiphase continuum equations are used to model the flow through the media to calculate the velocity and pressure profile through a pleated media to compare with the experimental results.
Book Synopsis Computational Modelling of Coalescence Filtration Process by : Kirijen Vengadasalam
Download or read book Computational Modelling of Coalescence Filtration Process written by Kirijen Vengadasalam and published by . This book was released on 2016 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fibrous Filter Media by : Philip Brown
Download or read book Fibrous Filter Media written by Philip Brown and published by Woodhead Publishing. This book was released on 2017-06-16 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fibrous Filter Media comprehensively covers the types, manufacture, applications, performance, and modeling of fibrous filter media. Part I introduces the principles of gas and liquid filtration, while Part II presents an overview of the types of fibrous filters, including details of fiber types, fabric construction, and applications. Part III covers a variety of filtration applications in which fibrous assemblies are used, with examples ranging from filtration for improving air quality, to medical filters, to industrial waste-water filtration. Finally, Part III covers the properties and performance of fibrous filters, including chapters on filter performance and simulation. With its expert editors and international team of contributors, this important book provides information on fibrous filters relevant to fiber and textile scientists, and is also ideal for academics and industry professionals working in the field of filtration. Dr. Philip Brown is Sweetenburg Professor of polymer and textile engineering at Clemson University, USA. Dr. Christopher Cox is Professor of mathematical sciences at Clemson University, USA. - Systematic and comprehensive coverage of the trends and new technologies being developed in the field of fibrous filter media - Focused on the needs of the textiles and filtration industries, with a clear emphasis on applied technology - Contains contributions from an international team of authors edited by an expert in the field
Book Synopsis Environmental Protection Research Catalog: Indexes by : Smithsonian Science Information Exchange
Download or read book Environmental Protection Research Catalog: Indexes written by Smithsonian Science Information Exchange and published by . This book was released on 1972 with total page 1478 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Industrializing Additive Manufacturing by : Christoph Klahn
Download or read book Industrializing Additive Manufacturing written by Christoph Klahn and published by Springer Nature. This book was released on 2023-09-11 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the Proceedings of the 3rd conference on Additive Manufacturing in Products and Applications AMPA2023, a conference that brought together engineers, designers, and managers to exchange ideas and knowledge on how to support real-world value chains by developing additive manufactured serial products. It covers a range of topics related to additive manufacturing (AM), including design for AM, physical and digital process chains, as well as for technology transfer into companies and applications. The book is divided in Sections such as Design for AM, Digital Process Chains, Emerging AM Technologies and Teaching & Training. In addition to these technical topics, the book also covers broader issues related to additive manufacturing, such as Manufacturing Readiness Levels, implementing AM machines into the existing production chain, and quality assurance and control mechanisms.
Book Synopsis Microscale Study of Drop Migration on Fibers in Coalescing Filters by : Saru Dawar
Download or read book Microscale Study of Drop Migration on Fibers in Coalescing Filters written by Saru Dawar and published by . This book was released on 2007 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The micro scale study of drop motion on fibers is significant to many industrial applications such as drop coalescence and drainage in fibrous filter media. Removal of the liquid droplets from the exhaust streams of many chemical, automotive, aeronautics, textile and health and safety industries is of vital importance. These droplets can lead to clogging of the fibrous filters during the cleaning operation. It is significant to design a self cleaning filter, whereby the liquid droplets collect on the filter and drain down onto some collecting device. This reduces the operational and cleaning cost of the filter. The underlying need for all these applications is estimation of the velocity of a drop along the fiber axis. This can be done by defining and determining the drag coefficient correlation. In this work, the drag coefficient is correlated to Reynolds and capillary numbers from experiments and models with the axial and transverse air flow conditions. The experiments are conducted for different types of fibers and using acoustic fields. Correlations to predict the probability of the motion of the drops on fibers are also developed considering the effect of acoustic fields. These correlations are unique approach to determine the velocities of the liquid drops on fibers for different fiber orientations. Very little has been published on the development of such correlations to predict drop migration on fibers which makes this work unique."--Abstract.
Book Synopsis Advances in Design, Simulation and Manufacturing V by : Vitalii Ivanov
Download or read book Advances in Design, Simulation and Manufacturing V written by Vitalii Ivanov and published by Springer Nature. This book was released on 2022-05-24 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reports on topics at the interface between mechanical and chemical engineering, emphasizing aspects related to design, simulation, and manufacturing. It covers recent findings concerning the mechanics of fluids, solids, and structures, and numerical and computational methods for solving coupled problems in manufacturing. Further, it reports on recent developments in chemical process technology, heat and mass transfer research, and energy-efficient technologies, describing applications in the food and energy production sector. Based on the 5th International Conference on Design, Simulation, Manufacturing: The Innovation Exchange (DSMIE-2022), held on June 7-10, 2022, in Poznan, Poland, this second volume of a 2-volume set provides academics and professionals with extensive information on trends and technologies, and challenges and practice-oriented experience in all the above-mentioned areas.
Book Synopsis Intensification of Liquid–Liquid Processes by : Laurence R. Weatherley
Download or read book Intensification of Liquid–Liquid Processes written by Laurence R. Weatherley and published by Cambridge University Press. This book was released on 2020-04-16 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explore and review novel techniques for intensifying transport and reaction in liquid-liquid and related systems with this essential toolkit. Topics include discussion of the principles of process intensification, the nexus between process intensification and sustainable engineering, and the fundamentals of liquid-liquid contacting, from an expert with over forty-five years' experience in the field. Providing promising directions for investment and for new research in process intensification, in addition to a unique review of the fundamentals of the topic, this book is the perfect guide for senior undergraduate students, graduate students, developers, and research staff in chemical engineering and biochemical engineering.
Book Synopsis Multiphase Particulate Systems in Turbulent Flows by : Wioletta Podgórska
Download or read book Multiphase Particulate Systems in Turbulent Flows written by Wioletta Podgórska and published by CRC Press. This book was released on 2019-09-17 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Author : Publisher :Delene Kvasnicka ISBN 13 : Total Pages :89 pages Book Rating :4./5 ( download)
Download or read book written by and published by Delene Kvasnicka. This book was released on with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modelling Micro-scale Coalescence and Transport Processes in Liquid Aerosol Filtration by : Mead-Hunter Ryan
Download or read book Modelling Micro-scale Coalescence and Transport Processes in Liquid Aerosol Filtration written by Mead-Hunter Ryan and published by . This book was released on 2012 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has examined the physico-chemical properties of coalescing filters on a micro-scale, considering them as either a capillary system or a fibre-droplet system. This work has developed a validated theoretical model for droplet-fibe forces in both phillic and phobic systems and a computational fluid dynamics solver for droplet-fibre systems. This work will significantly improve the design and optimisation of coalescing filter systems.
Book Synopsis Water Engineering Modeling and Mathematic Tools by : Pijush Samui
Download or read book Water Engineering Modeling and Mathematic Tools written by Pijush Samui and published by Elsevier. This book was released on 2021-02-05 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water Engineering Modeling and Mathematic Tools provides an informative resource for practitioners who want to learn more about different techniques and models in water engineering and their practical applications and case studies. The book provides modelling theories in an easy-to-read format verified with on-site models for specific regions and scenarios. Users will find this to be a significant contribution to the development of mathematical tools, experimental techniques, and data-driven models that support modern-day water engineering applications. Civil engineers, industrialists, and water management experts should be familiar with advanced techniques that can be used to improve existing systems in water engineering. This book provides key ideas on recently developed machine learning methods and AI modelling. It will serve as a common platform for practitioners who need to become familiar with the latest developments of computational techniques in water engineering. - Includes firsthand experience about artificial intelligence models, utilizing case studies - Describes biological, physical and chemical techniques for the treatment of surface water, groundwater, sea water and rain/snow - Presents the application of new instruments in water engineering
Book Synopsis Aerosol Filtration by : Dominique Thomas
Download or read book Aerosol Filtration written by Dominique Thomas and published by Elsevier. This book was released on 2016-11-30 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Filtration of aerosols is omnipresent in our daily lives, in areas as diverse as health, the protection of people and the environment, and air treatment inside buildings. However, the collection of particles within a filter media is not, contrary to popular belief, linked to a simple screen effect. The phenomena involved are much more complex and require the consideration of aerosol interactions, filter media and process conditions to select the best fiber filter for a given application. Aerosol Filtration, book for students, hygiene or process engineers, fibrous media manufacturers, designers, and filtration system suppliers or users addresses the filtration of aerosols in six chapters. These chapters cover physics and aerosol characterization, the fibrous media, and efficiency and filter clogging by solid or liquid aerosols, with special attention to the filtration of the nanoparticles. - Analyses the behavior of fibrous media against solid and liquid aerosols - Presents models of efficiency and pressure drop - Introduces computing elements for estimating the lifetime of filters - Provides guidance for designing filters and predicting their behavior over time
Book Synopsis Sustainable Separation Engineering by : Gyorgy Szekely
Download or read book Sustainable Separation Engineering written by Gyorgy Szekely and published by John Wiley & Sons. This book was released on 2022-04-04 with total page 1039 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sustainable Separation Engineering Explore an insightful collection of resources exploring conventional and emerging materials and techniques for separations In Sustainable Separation Engineering: Materials, Techniques and Process Development, a team of distinguished chemical engineers delivers a comprehensive discussion of the latest trends in sustainable separation engineering. Designed to facilitate understanding and knowledge transfer between materials scientists and chemical engineers, the book is beneficial for scientists, practitioners, technologists, and industrial managers. Written from a sustainability perspective, the status and need for more emphasis on sustainable separations in the chemical engineering curriculum is highlighted. The accomplished editors have included contributions that explore a variety of conventional and emerging materials and techniques for efficient separations, as well as the prospects for the use of artificial intelligence in separation science and technology. Case studies round out the included material, discussing a broad range of separation applications, like battery recycling, carbon sequestration, and biofuel production. This edited volume also provides: Thorough introductions to green materials for sustainable separations, as well as advanced materials for sustainable oil and water separation Comprehensive explorations of the recycling of lithium batteries and ionic liquids for sustainable separation processes Practical discussions of carbon sequestration, the recycling of polymer materials, and AI for the development of separation materials and processes In-depth examinations of membranes for sustainable separations, green extraction processes, and adsorption processes for sustainable separations Perfect for academic and industrial researchers interested in the green and sustainable aspects of separation science, Sustainable Separation Engineering: Materials, Techniques and Process Development is an indispensable resource for chemical engineers, materials scientists, polymer scientists, and renewable energy professionals.
Book Synopsis Modeling Fine Particle Clogging in Filters and Drainage Layers by : Ming Xiao
Download or read book Modeling Fine Particle Clogging in Filters and Drainage Layers written by Ming Xiao and published by . This book was released on 2001 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Operator and Organizational Maintenance Manual Including Repair Parts and Special Tools List by :
Download or read book Operator and Organizational Maintenance Manual Including Repair Parts and Special Tools List written by and published by . This book was released on 1990 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
