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Micromixers

Micromixers Book
Author : Nam-Trung Nguyen
Publisher : William Andrew
Release : 2011
ISBN : 1437735207
Language : En, Es, Fr & De

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Book Description :

Introduction -- Fundamentals of Mass Transport in Micro Scale -- Fabrication Technologies -- Micromixers Based on Molecular Diffusion -- Micromixers Based on Chaotic Advection -- Active Micromixers -- Characterization Techniques -- Applications of Micromixers.

Passive Micromixers

Passive Micromixers Book
Author : Kwang-Yong Kim,Mubashshir A. Ansari,Arshad Afzal
Publisher : MDPI
Release : 2018-08-20
ISBN : 3038970077
Language : En, Es, Fr & De

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Book Description :

This book is a printed edition of the Special Issue " Passive Micromixers" that was published in Micromachines

Analysis and Design Optimization of Micromixers

Analysis and Design Optimization of Micromixers Book
Author : Arshad Afzal,Kwang-Yong Kim
Publisher : Springer Nature
Release : 2021-01-08
ISBN : 9813342919
Language : En, Es, Fr & De

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Book Description :

This book illustrates the computational framework based on knowledge of flow and mass transfer together with optimization techniques to solve problems relevant to micromixing technology. The authors provide a detailed analysis of the different numerical techniques applied to the design of micromixers. Flow and mixing analysis is based on both the Eulerian and Lagrangian approaches; relative advantages and disadvantages of the two methods and suitability to different types of mixing problems are analysed. The book also discusses the various facets of numerical schemes subjected to discretization errors and computational grid requirements. Since a large number of studies are based on commercial computational fluid dynamics (CFD) packages, relevant details of these packages to the mixing problem using them are presented. Numerical optimization techniques coupled with CFD analysis of flow and mixing have proved to be an important tool for micromixers design, and therefore, are an important part of the book. These techniques are presented briefly, and focus is on surrogate modeling and optimization applied to design of micromixers.

Numerical Study of Rapid Micromixers for Lab on a chip Applications

Numerical Study of Rapid Micromixers for Lab on a chip Applications Book
Author : Yiou Wang
Publisher : Unknown
Release : 2007
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

"Effective mixing of liquids is essential in many applications such as drug delivery, DNA analysis/sequencing, pheromone synthesis in microbioreactors, and biological/chemical agent detections. Rapid mixing can reduce the analysis time and permit high throughput in lab-on-a-chip devices. The main objective of this dissertation in to numerically design a rapid mixer for micro/nanofluidic devices. Three types of micromixers with different driving mechanisms including pressure-driven, electrokinetic-driven and magnetic-particle-driven micromixers as well as a hybrid mixer based on both passive and active mixing mechanisms have been numerically investigated. It is found in the pressure driven micromixer that the relay frequency is a critical factor affecting the micromixing. For the electrokinetic micromixer, the effects of various design parameters such as channel width, relay frequency, external electric potential have been studied. The present study utilized two sets of time-dependent electric fields that are superimposed on a steady (pumping) electric field. The relay technique used in this dissertation not only stretches the fluid streams to increase the interfacial surface area, but also allows a self-sustained flow system for lab-on-a-chip devices. In the hybrid micromixer, the asymmetric serpentine structure plays an active role in ultra-fast mixing within a short distance. With the designed hybrid micromixer, a very high mixing efficiency (95.6%) has been obtained within 1.0 second at x=500 [mu]m for a 50 [mu]m wide channel. Passive serpentine structures, however, induce flow impedance, and it reduces the flow velocity in the micromixer. The difference with the pressure driven and electrokinetic micromixers is that neither one of them can obtain complete mixing in a straight channel; the magnetic-particle-driven micromixer with a simple actuation configuration studied in this dissertation is proved to be an effective mixer. The numerical simulations have shown that a magnetic micromixer consisting of a microchannel and a pair of electromagnets yields a very high mixing efficiency (>95%) within a short period of time (1 second). The effects of various design parameters such as applied magnetic actuation force and operating frequency have been studied in magnetic mixing. The numerical results of the magnetic-particle-actuated mixer demonstrate that a simple micromixer configuration is sufficient for a complete micromixing within a short distance and time period, with no need to fabricate complex serpentine channels. This simple mixing scheme not only provides an excellent mixing, even in a simple microchannel, but is also easily applied to 'lab-on-a-chip' applications with a pair of external electromagnets. In summary, the investigation in this dissertation reflects that both the hybrid electrokinetic mixer and magnetic mixer are very efficient and can be applied to meet the requirements of high throughput biosensor. It is believed that this research will provide guidance for the design of state-of-art of the micromixers for on-chip biosensor systems."--Abstract.

Advances in Microfluidics and Nanofluids

Advances in Microfluidics and Nanofluids Book
Author : S. M. Sohel Murshed
Publisher : BoD – Books on Demand
Release : 2021-07-07
ISBN : 1839686928
Language : En, Es, Fr & De

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Book Description :

Microfluidics and nanofluids are rapidly growing technologies of tremendous potential and benefits. This book features a spectrum of topics on these emerging technologies that include microfluidic applications, mass production of chips, flow sensing approaches, fabrication of microfluidic channels using the micromilling process, application of micromixers for wastewater treatment and life cycle assessment, solar thermal conversion of plasmonic nanofluids, and liquid cooling, as well as carbon capture utilization and storage using nanocomposite and nanofluids. The book is intended to provide useful information and guidance to a wide variety of people including students, researchers, engineers, and manufacturers who are involved or interested in these technologies.

Microfluidics

Microfluidics Book
Author : Bingcheng Lin
Publisher : Springer
Release : 2011-10-06
ISBN : 3642230504
Language : En, Es, Fr & De

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Book Description :

Flow Control Methods and Devices in Micrometer Scale Channels, by Shuichi Shoji and Kentaro Kawai. Micromixing Within Microfluidic Devices, by Lorenzo Capretto, Wei Cheng, Martyn Hill and Xunli Zhang. Basic Technologies for Droplet Microfluidics, by Shaojiang Zeng, Xin Liu, Hua Xie and Bingcheng Lin. Electrorheological Fluid and Its Applications in Microfluidics, by Limu Wang, Xiuqing Gong and Weijia Wen. Biosensors in Microfluidic Chips, by Jongmin Noh, Hee Chan Kim and Taek Dong Chung. A Nanomembrane-Based Nucleic Acid Sensing Platform for Portable Diagnostics, by Satyajyoti Senapati, Sagnik Basuray, Zdenek Slouka, Li-Jing Cheng and Hsueh-Chia Chang. Optical Detection Systems on Microfluidic Chips, by Hongwei Gai, Yongjun Li and Edward S. Yeung. Integrated Microfluidic Systems for DNA Analysis, by Samuel K. Njoroge, Hui-Wen Chen, Małgorzata A. Witek and Steven A. Soper. Integrated Multifunctional Microfluidics for Automated Proteome Analyses, by John K. Osiri, Hamed Shadpour, Małgorzata A. Witek and Steven A. Soper. Cells in Microfluidics, by Chi Zhang and Danny van Noort. Microfluidic Platform for the Study of Caenorhabditis elegans,by Weiwei Shi, Hui Wen, Bingcheng Lin and Jianhua Qin.

Analysis and Design Optimization of Micromixers Active and Passive micromixers 3 Computational analysis of flow and mixing in micromixers 4 Design optimization of micromixers

Analysis and Design Optimization of Micromixers  Active and Passive micromixers   3  Computational analysis of flow and mixing in micromixers   4  Design optimization of micromixers Book
Author : Arshad Afzal,Kwang-Yong Kim
Publisher : Unknown
Release : 2021
ISBN : 9789813342927
Language : En, Es, Fr & De

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Book Description :

This book illustrates the computational framework based on knowledge of flow and mass transfer together with optimization techniques to solve problems relevant to micromixing technology. The authors provide a detailed analysis of the different numerical techniques applied to the design of micromixers. Flow and mixing analysis is based on both the Eulerian and Lagrangian approaches; relative advantages and disadvantages of the two methods and suitability to different types of mixing problems are analysed. The book also discusses the various facets of numerical schemes subjected to discretization errors and computational grid requirements. Since a large number of studies are based on commercial computational fluid dynamics (CFD) packages, relevant details of these packages to the mixing problem using them are presented. Numerical optimization techniques coupled with CFD analysis of flow and mixing have proved to be an important tool for micromixers design, and therefore, are an important part of the book. These techniques are presented briefly, and focus is on surrogate modeling and optimization applied to design of micromixers.

The Fundamentals of Process Intensification

The Fundamentals of Process Intensification Book
Author : Andrzej Stankiewicz,Tom Van Gerven,Georgios Stefanidis
Publisher : John Wiley & Sons
Release : 2019-06-13
ISBN : 3527680136
Language : En, Es, Fr & De

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Book Description :

This advanced textbook covering the fundamentals and industry applications of process intensification (PI) discusses both the theoretical and conceptual basis of the discipline. Since interdisciplinarity is a key feature of PI, the material contained in the book reaches far beyond the classical area of chemical engineering. Developments in other relevant disciplines, such as chemistry, catalysis, energy technology, applied physics, electronics and materials science, are extensively described and discussed, while maintaining a chemical engineering perspective. Divided into three major parts, the first introduces the PI principles in detail and illustrates them using practical examples. The second part is entirely devoted to fundamental approaches of PI in four domains: spatial, thermodynamic, functional and temporal. The third and final part explores the methodology for applying fundamental PI approaches in practice. As well as detailing technologies, the book focuses on safety, energy and environmental issues, giving guidance on how to incorporate PI in plant design and operation -- safely, efficiently and effectively.

Topology Optimization Theory for Laminar Flow

Topology Optimization Theory for Laminar Flow Book
Author : Yongbo Deng,Yihui Wu,Zhenyu Liu
Publisher : Springer
Release : 2017-09-27
ISBN : 9811046875
Language : En, Es, Fr & De

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Book Description :

This book presents the topology optimization theory for laminar flows with low and moderate Reynolds numbers, based on the density method and level-set method, respectively. The density-method-based theory offers efficient convergence, while the level-set-method-based theory can provide anaccurate mathematical expression of the structural boundary. Unsteady, body-force-driven and two-phase properties are basic characteristics of the laminar flows. The book discusses these properties, which are typical of microfluidics and one of the research hotspots in the area of Micro-Electro-Mechanical Systems (MEMS), providing an efficient inverse design approach for microfluidic structures. To demonstrate the applications of this topology optimization theory in the context of microfluidics, it also investigates inverse design for the micromixer, microvalve and micropump, which are key elements in lab-on-chip devices.

Advances in Industrial Mixing

Advances in Industrial Mixing Book
Author : Suzanne M. Kresta,Arthur W. Etchells, III,Victor A. Atiemo-Obeng,David S. Dickey
Publisher : John Wiley & Sons
Release : 2015-11-16
ISBN : 0470523824
Language : En, Es, Fr & De

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Book Description :

A companion and update to the first edition, this book explains the difference and uses of a variety of mixers including gear mixers, top entry mixers, side entry mixers, bottom entry mixers, on-line mixers, and submerged mixers, to name some of the more important ones. It also explains the difference between shear and flow in the mixture process and the connection of shear and flow to impeller design. It also discusses the trade-offs among various mixers, which might be considered for a particular process.

Microchemical Engineering in Practice

Microchemical Engineering in Practice Book
Author : Thomas Dietrich
Publisher : John Wiley & Sons
Release : 2011-11-18
ISBN : 1118215990
Language : En, Es, Fr & De

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Book Description :

Microchemical Engineering in Practice provides the information chemists and engineers need to evaluate the use of microreactors, covering the technical, operational, and economic considerations for various applications. It explains the systems needed to use microreactors in production and presents examples of microreactor use in different chemistries, including larger scale production processes. There are guidelines on calculating the costs and the risks of production using continuous flow microreactors. Complete with case studies, this is an essential guide for chemists and engineers interested in investigating the advantages of chemical microreactors.

Mechanical and Electrical Technology IV

Mechanical and Electrical Technology IV Book
Author : Mohamed Othman
Publisher : Trans Tech Publications Ltd
Release : 2012-11-29
ISBN : 3038133159
Language : En, Es, Fr & De

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Book Description :

These proceedings of the 4th International Conference on Mechanical and Electrical Technology (ICMET 2012), held during the 24 to 26th July 2012 in Kuala Lumpur, Malaysia, take the form of 614 peer-reviewed papers grouped as follows: Materials Engineering; Applied Mechanics and Mechanical Engineering; Electrotechnics and Electrical Machines; Energy and Power Engineering; Measurements, Monitoring and Sensors; Electronic and Radio Engineering; Computer-Aided Design and Technology; Control and Automation; Manufacturing Processes and Technology.

Three Dimensional Microfabrication Using Two Photon Polymerization

Three Dimensional Microfabrication Using Two Photon Polymerization Book
Author : Tommaso Baldacchini
Publisher : William Andrew
Release : 2019-10-31
ISBN : 0128178280
Language : En, Es, Fr & De

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Book Description :

Three-Dimensional Microfabrication Using Two-Photon Polymerization, Second Edition offers a comprehensive guide to TPP microfabrication and a unified description of TPP microfabrication across disciplines. It offers in-depth discussion and analysis of all aspects of TPP, including the necessary background, pros and cons of TPP microfabrication, material selection, equipment, processes and characterization. Current and future applications are covered, along with case studies that illustrate the book's concepts. This new edition includes updated chapters on metrology, synthesis and the characterization of photoinitiators used in TPP, negative- and positive-tone photoresists, and nonlinear optical characterization of polymers. This is an important resource that will be useful for scientists involved in microfabrication, generation of micro- and nano-patterns and micromachining. Discusses the major types of nanomaterials used in the agriculture and forestry sectors, exploring how their properties make them effective for specific applications Explores the design, fabrication, characterization and applications of nanomaterials for new Agri-products Offers an overview of regulatory aspects regarding the use of nanomaterials for agriculture and forestry

Methods in Bioengineering

Methods in Bioengineering Book
Author : Jeffrey D. Zahn
Publisher : Artech House
Release : 2009-10
ISBN : 1596934018
Language : En, Es, Fr & De

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Book Description :

This unique volume presents leading-edge microfluidics methods used to handle, manipulate, and analyze cells, particles, and biological components (e.g., proteins and DNA) for microdiagnostics. The authors offer clear and detailed guidance on microfabrication techniques utilized to create microfluidic devices and on-chip flow control and mixing Microsystems, protein and DNA handling devices for electrophoretic and isoelectric separations in microchromatography columns, microfluidic manipulations of droplets via electrowetting and particles via dielectrophoresis for separations and chemical reactions, integrated optical characterization of microfluidic devices, controlling chemical gradients within devices, microimmunoassay diagnostics, multiphase microfluidics used in droplet formation for controlled chemical reactions, particle separation and analysis in Micro-FACS systems, flow characterization techniques in microfluidic devices and patterning and utilizing cytoskeletal filaments and cellular transport protein within microstructures.

Biomedical Informatics and Technology

Biomedical Informatics and Technology Book
Author : Tuan D. Pham,Kazuhisha Ichikawa,Mayumi Oyama-Higa,Danny Coomans,Xiaoyi Jiang
Publisher : Springer
Release : 2014-04-07
ISBN : 3642541216
Language : En, Es, Fr & De

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Book Description :

This book constitutes the refereed proceedings of the First International Conference on Biomedical Informatics and Technology, ACBIT 2013, held in Aizu-Wakamatsu, Japan, in September 2013. The ??? revised full papers presented together with 14 keynotes and invited talks were carefully reviewed and selected from 48 submissions. The papers address important problems in medicine, biology and health using image analysis, computer vision, pattern analysis and classification, information visualization, signal processing, control theory, information theory, statistical analysis, information fusion, numerical analysis, fractals and chaos, optimization, simulation and modeling, parallel computing, computational intelligence methods, machine learning, data mining, decision support systems, database integration and management, cognitive modeling, and applied linguistics.

Flash Chemistry

Flash Chemistry Book
Author : Jun-ichi Yoshida
Publisher : John Wiley & Sons
Release : 2008-10-13
ISBN : 0470723416
Language : En, Es, Fr & De

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Book Description :

Have you ever wished you could speed up your organic syntheses without losing control of the reaction? Flash Chemistry is a new concept which offers an integrated scheme for fast, controlled organic synthesis. It brings together the generation of highly reactive species and their reactions in Microsystems to enable highly controlled organic syntheses on a preparative scale in timescales of a few seconds or less. Flash Chemistry: Fast Organic Synthesis in microsystems is the first book to describe this exciting new technique, with chapters covering: an introduction to flash chemistry reaction dynamics: how fast is the act of chemical transformation, what is the rate of reaction, and what determines the selectivity of a reaction? examples of why flash chemistry is needed: the rapid construction of chemical libraries, rapid synthesis of radioactive PET probes, and on-demand rapid synthesis in industry the generation of highly reactive species through thermal, microwave, chemical, photochemical, and electrochemical activation microsystems: What are microsystems and how are they made? Why is size so important? What are the characteristic features of microsystems? conduction and control of extremely fast reactions using microsystems applications of flash chemistry in organic synthesis polymer synthesis based on flash chemistry industrial applications of flash chemistry Flash Chemistry: Fast Organic Synthesis in Microsystems is an essential introduction to anyone working in organic synthesis, process chemistry, chemical engineering and physical organic chemistry concerned with fundamental aspects of chemical reactions an d synthesis and the production of organic compounds.

Micro Process Engineering

Micro Process Engineering Book
Author : Volker Hessel,Jaap C. Schouten,Albert Renken
Publisher : John Wiley & Sons
Release : 2009-03-23
ISBN : 3527315500
Language : En, Es, Fr & De

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Book Description :

This three-volume handbook provides an overview of the key aspects of micro process engineering. Volume 1 covers the fundamentals, operations and catalysts, volume 2 examines devices, reactions and applications, with volume 3 rounding off the trilogy with system, process and plant engineering. Fluid dynamics, mixing, heat/mass transfer, purification and separation microstructured devices and microstructured reactors are explained in the first volume. Volume 2 segments microreactor design, fabrication and assembly, bulk and fine chemistry, polymerisation, fuel processing and functional materials into understandable parts. The final volume of the handbook addresses microreactor systems design and scale-up, sensing, analysis and control, chemical process engineering, economic and eco-efficiency analyses as well as microreactor plant case studies in one book. Together, this 3-volume handbook explains the science behind micro process engineering to the scale-up and their real life industrial applications.

Chemical Engineering

Chemical Engineering Book
Author : Anonim
Publisher : Unknown
Release : 2003
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Chemical Engineering book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Microfluidics for Pharmaceutical Applications

Microfluidics for Pharmaceutical Applications Book
Author : Helder A. Santos,Dongfei Liu,Hongbo Zhang
Publisher : William Andrew
Release : 2018-10-12
ISBN : 0128126604
Language : En, Es, Fr & De

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Book Description :

Microfluidics for Pharmaceutical Applications: From Nano/Micro Systems Fabrication to Controlled Drug Delivery is a concept-orientated reference that features case studies on utilizing microfluidics for drug delivery applications. It is a valuable learning reference on microfluidics for drug delivery applications and assists practitioners developing novel drug delivery platforms using microfluidics. It explores advances in microfluidics for drug delivery applications from different perspectives, covering device fabrication, fluid dynamics, cutting-edge microfluidic technology in the global drug delivery industry, lab-on-chip nano/micro fabrication and drug encapsulation, cell encapsulation and delivery, and cell- drug interaction screening. These microfluidic platforms have revolutionized the drug delivery field, but also show great potential for industrial applications. Presents detailed coverage on the fabrication of novel drug delivery systems with desired characteristics, such as uniform size, Janus particles, and particular or combined responsiveness Includes a variety of case studies that explain principles Focuses on commercialization, cost, safety, society and educational issues of microfluidic applications, showing how microfluidics is used in the real world