Advanced Microfluidic Framework For Understanding Of Fluid Flow In Porous Media
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Advanced Microfluidic Framework For Understanding Of Fluid Flow In Porous Media
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Author : Wonjin Yun
language : en
Publisher:
Release Date : 2019
Advanced Microfluidic Framework For Understanding Of Fluid Flow In Porous Media written by Wonjin Yun and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
My research with the microfluidic Reservoir-on-a-Chip (ROC) platform has produced multiple engineering science contributions toward investigating the fundamental mechanisms that dictate transport through subsurface porous media. Microfluidic devices, better known as micromodels, are devices with a connected porous network that allows the direct visualization of complex fluid flow dynamics occurring under transient conditions. The porous pattern of micromodel in my study is analogous to that of natural reservoir rock (i.e. sandstone or carbonate). The micro-pattern is etched in a crystalline silicon wafer with the DRIE (deep reactive ion etching) technique which offers a large aspect ratio (i.e. pore throat-to-body ratio), with more realistic and well-defined structures. Consequently, investigating fluid flow through representative pore network patterns and material in the micromodels have been greatly beneficial to petroleum, geologic, and environmental engineering field. Micromodel studies are based on the direct observation of the pore-scale fluid structures, the visualization of the flow field, and the characterization of matrix-fluid and fluid-fluid interactions. I implemented various methodologies that enable the real-time monitoring of events occurring in a micromodel by integrating them with high-resolution microscopy and laser-induced fluorescence. My research improves petrochemical and geophysical characteristics of transports in micromodels through the development of new micro-fabrication processes, new experimental frameworks, imaging, and novel image processing algorithms. First, my research addresses greater realism in pore structure and visualization of micromodels for the characterization of single and multiphase flows. I optimized dual-etching fabrication and improved 3D structural realism of carbonate-like flow networks inside the micromodel. I applied the micro-particle image velocimetry (micro-PIV). The micro-PIV provides insights into the fluid dynamics within microfluidic channels and relevant fluid velocities controlled predominantly by changes in pore width and depth. Compared with conventional single-depth micromodels, micro-PIV and fluid desaturation pattern prove that the dual-depth carbonate micromodel is a better representation of pore geometry showing more realistic fluid flow and capillary entry pressures. Second, I demonstrated, for the first time, that micromodels monitored using advanced spectral imaging enables real-time and in-situ quantification of the local viscosity of non-Newtonian viscoelastic polyacrylamide EOR polymers. This, in turn, paves the way to validate computational fluid dynamics models for viscoelastic fluids. Third, novel deep-learning algorithms (convolutional neural networks) were applied to the micromodel images for the automated analysis of surface properties. With proper training of deep-learning architectures on high-quality image datasets, I proved that deep-learning has a great potential to serve as a quick and automated image analysis tool for surface wettability determination with an accuracy larger than 95%. Forth, I established an in-house micro-fabrication procedure using a Direct-Write-Lithography technique for the rapid prototyping of new microfluidic designs. I worked on optimizing the micromodel channel design to make the micromodel more suitable for direct visualization of micro-pore scale mixing dynamics between precipitant and oil phase, which may cause asphaltene aggregation and their agglomerations. Furthermore, confocal microscopy enables the 3D reconstruction of asphaltene agglomerates; it reveals the size and size distribution of asphaltene aggregates as a function of flocculation time.
Fluid Flow And Heat Transfer In Porous Media Manufactured By A Space Holder Method
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Author : Xianke Lu
language : en
Publisher: Springer Nature
Release Date : 2020-08-27
Fluid Flow And Heat Transfer In Porous Media Manufactured By A Space Holder Method written by Xianke Lu and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-08-27 with Science categories.
This book focuses on the effects of the material, porosity, pore size and pore shape on flow behaviour and heat transfer in microscale porous media manufactured using a space holder method. It also describes a novel approach to studying flow behaviour in non-transparent materials such as porous metals via flow visualization in transparent media that mimic the porous structure. The book employs a combination of microparticle image velocimetry – a modern, advanced technique – and pressure drop measurement – a more traditional method – that makes the mechanistic study of several phenomena possible. It covers the identification of various flow regimes and their boundaries, velocity profiles on the microscale, the heat transfer coefficient under forced convection, and the correlation between flow behaviour on the pore scale and the convective heat transfer performance of the porous media. Understanding the fundamentals of porous flow, especially on the microscale, is critical for applications of porous media in heat exchangers, catalytic convertors, chemical reactors, filtration and oil extraction. Accordingly, this book offers a valuable resource for all researchers, graduate students and engineers working in the areas of porous flow and porous materials.
Fluid Flow Through Porous Media In Microfluidic Device
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Author : Mengjie Mellisa Wu
language : en
Publisher:
Release Date : 2011
Fluid Flow Through Porous Media In Microfluidic Device written by Mengjie Mellisa Wu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Fluid mechanics categories.
Microfluidics For Advanced Functional Polymeric Materials
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Author : Liang-Yin Chu
language : en
Publisher: John Wiley & Sons
Release Date : 2017-06-19
Microfluidics For Advanced Functional Polymeric Materials written by Liang-Yin Chu 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 2017-06-19 with Technology & Engineering categories.
A comprehensive and systematic treatment of our current understanding of the microfluidic technique and its advantages in the controllable fabrication of advanced functional polymeric materials. Introducing and summarizing recent advances and achievements in the field, the authors cover the design and fabrication of microfluidic devices, the fundamentals and strategies for controllable microfluidic generation of multiphase liquid systems, and the use of these liquid systems with an elaborate combination of their structures and compositions for generating novel polymer materials, such as microcapsules, microfibers, valves, and membranes. Clear diagrams and illustrations throughout the text make the relevant theory and technologies more readily accessible. The result is a specialist reference for materials scientists, organic, polymer and physical chemists, and chemical engineers.
Microfluidics History Theory And Applications
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Author : William B. J. Zimmerman
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-06-27
Microfluidics History Theory And Applications written by William B. J. Zimmerman 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 2006-06-27 with Science categories.
Microfluidics is a microtechnological field dealing with the precise transport of fluids (liquids or gases) in small amounts (e.g. microliters, nanoliters or even picoliters). This book provides a useful introduction into this burgeoning field, and a specific application of microfluidics is presented. It also gives a survey of microfluidics.
Complex Fluid Flows In Microfluidics
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Author : Francisco José Galindo-Rosales
language : en
Publisher: Springer
Release Date : 2017-05-26
Complex Fluid Flows In Microfluidics written by Francisco José Galindo-Rosales and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-26 with Technology & Engineering categories.
This monograph contains expert knowledge on complex fluid-flows in microfluidic devices. The topical spectrum includes, but is not limited to, aspects such as the analysis, experimental characterization, numerical simulations and numerical optimization. The target audience primarily comprises researchers who intend to embark on activities in microfluidics. The book can also be beneficial as supplementary reading in graduate courses.
Process Analysis Design And Intensification In Microfluidics And Chemical Engineering
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Author : Santana, Harrson Silva
language : en
Publisher: IGI Global
Release Date : 2019-01-18
Process Analysis Design And Intensification In Microfluidics And Chemical Engineering written by Santana, Harrson Silva and has been published by IGI Global this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-18 with Technology & Engineering categories.
Microfluidics represent great potential for chemical processes design, development, optimization, and chemical engineering bolsters the project design of industrial processes often found in large chemical plants. Together, microfluidics and chemical engineering can lead to a more complete and comprehensive process. Process Analysis, Design, and Intensification in Microfluidics and Chemical Engineering provides emerging research exploring the theoretical and practical aspects of microfluidics and its application in chemical engineering with the intention of building pathways for new processes and product developments in industrial areas. Featuring coverage on a broad range of topics such as design techniques, hydrodynamics, and numerical modelling, this book is ideally designed for engineers, chemists, microfluidics and chemical engineering companies, academicians, researchers, and students.
Introduction To Microfluidics
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Author : Patrick Tabeling
language : en
Publisher: OUP Oxford
Release Date : 2005-11-25
Introduction To Microfluidics written by Patrick Tabeling and has been published by OUP Oxford this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-11-25 with Science categories.
Microfluidics deals with fluids flowing in miniaturized systems. It is a young discipline, which is expected to substantially expand over the next few years, stimulated by the considerable development of applications in the pharmaceutical, biomedical and chemical engineering domains. The book is an introduction to this discipline. In the first chapter, it presents a short historical background and discusses the main perspectives of the domain, at economical and scientific levels. Then the physics of miniaturization and the fluid mechanics of microflows are discussed. In the following three chapters, dispersion, electrical and thermal phenomena in miniaturized devices are presented. A brief introduction to microfabrication techniques is given in chapter six and the book concludes by providing a few examples of microfluidic systems. The book is written in a simple, direct, pedagogical way. It emphasizes concepts and understanding, rather than technical detail. It offers a cross-disciplinary view of the field embracing biological, chemical, physical and engineering perspectives. By using the book, the reader will have concepts, methods and data to grasp situations which typically arise in microfluidic systems.
Advances In Microfluidics
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Author : Ryan Kelly
language : en
Publisher: BoD – Books on Demand
Release Date : 2012-03-07
Advances In Microfluidics written by Ryan Kelly and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-03-07 with Science categories.
Advances in Microfluidics provides a current snapshot of the field of microfluidics as it relates to a variety of sub-disciplines. The chapters have been divided into three sections: Fluid Dynamics, Technology, and Applications, although a number of the chapters contain aspects that make them applicable to more than one section. It is hoped that this book will serve as a useful resource for recent entrants to the field as well as for established practitioners.
Microfluidics And Nanofluidics Handbook
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Author : Sushanta K. Mitra
language : en
Publisher: CRC Press
Release Date : 2011-09-21
Microfluidics And Nanofluidics Handbook written by Sushanta K. Mitra and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09-21 with Science categories.
The Microfluidics and Nanofluidics Handbook: Two-Volume Set comprehensively captures the cross-disciplinary breadth of the fields of micro- and nanofluidics, which encompass the biological sciences, chemistry, physics and engineering applications. To fill the knowledge gap between engineering and the basic sciences, the editors pulled together key individuals, well known in their respective areas, to author chapters that help graduate students, scientists, and practicing engineers understand the overall area of microfluidics and nanofluidics. Topics covered include Finite Volume Method for Numerical Simulation Lattice Boltzmann Method and Its Applications in Microfluidics Microparticle and Nanoparticle Manipulation Methane Solubility Enhancement in Water Confined to Nanoscale Pores Volume Two: Fabrication, Implementation, and Applications focuses on topics related to experimental and numerical methods. It also covers fabrication and applications in a variety of areas, from aerospace to biological systems. Reflecting the inherent nature of microfluidics and nanofluidics, the book includes as much interdisciplinary knowledge as possible. It provides the fundamental science background for newcomers and advanced techniques and concepts for experienced researchers and professionals.