Transport Processes In Free Surface Microfluidics
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Transport Processes In Free Surface Microfluidics
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Author : Brian Douglas Piorek
language : en
Publisher:
Release Date : 2008
Transport Processes In Free Surface Microfluidics written by Brian Douglas Piorek and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
An investigation was conducted to examine the dominant fluid transport physics at the macro, micro, and molecular scale. Three novel techniques were developed to elucidate the fluid flow fields occurring in microscale and nanoscale fluidic systems. These techniques were then used to design and investigate a novel free-surface microfluidic system capable of delivering sustained and controlled flows ranging from 0 -- 1000 mum/s. The microsystem was then used to develop a sensitive and selective chemical detector capable of identifying certain gas-phase molecules present in the nearby atmosphere. The detector performs molecular recognition of gaseous compounds in the adjacent atmosphere by surface enhanced Raman spectroscopy and the transport properties of the microfluidic system are designed to maximize vapor detection capability. Chemical detection sensitivity of gaseous compounds is better than PPT. Vapors emanated from some nearby solid compounds are also detected at room temperature, including the gas-phase molecules naturally emitted from the explosive compounds: TNT, TATP, picric acid, RDX; and from narcotic samples such as cocaine.
Transport And Mixing In Laminar Flows
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Author : Roman Grigoriev
language : en
Publisher: John Wiley & Sons
Release Date : 2012-01-09
Transport And Mixing In Laminar Flows written by Roman Grigoriev 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 2012-01-09 with Technology & Engineering categories.
This book provides readers from academia and industry with an up-to-date overview of important advances in the field, dealing with such fundamental fluid mechanics problems as nonlinear transport phenomena and optimal control of mixing at the micro- and nanoscale. The editors provide both in-depth knowledge of the topic as well as vast experience in guiding an expert team of authors. The review style articles offer a coherent view of the micromixing methods, resulting in a much-needed synopsis of the theoretical models needed to direct experimental research and establish engineering principles for future applications. Since these processes are governed by nonlinear phenomena, this book will appeal to readers from both communities: fluid mechanics and nonlinear dynamics.
Microfluidics And Microscale Transport Processes
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Author : Suman Chakraborty
language : en
Publisher: CRC Press
Release Date : 2012-10-04
Microfluidics And Microscale Transport Processes written by Suman Chakraborty and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-10-04 with Science categories.
The advancements in micro- and nano-fabrication techniques, especially in the last couple of decades, have led research communities, over the world, to invest unprecedented levels of attention on the science and technology of micro- and nano-scale devices and the concerned applications. With an intense focus on micro- and nanotechnology from a flui
Microfluidics And Microscale Transport Processes
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Author : Suman Chakraborty
language : en
Publisher: CRC Press
Release Date : 2012-10-04
Microfluidics And Microscale Transport Processes written by Suman Chakraborty and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-10-04 with Science categories.
The advancements in micro- and nano-fabrication techniques, especially in the last couple of decades, have led research communities, over the world, to invest unprecedented levels of attention on the science and technology of micro- and nano-scale devices and the concerned applications. With an intense focus on micro- and nanotechnology from a fluidic perspective, Microfluidics and Microscale Transport Processes provides a broad review of advances in this field. A comprehensive compendium of key indicators to recent developments in some very active research topics in microscale transport processes, it supplies an optimal balance between discussions of concrete applications and development of fundamental understanding. The chapters discuss a wide range of issues in the sub-domains of capillary transport, fluidic resistance, electrokinetics, substrate modification, rotational microfluidics, and the applications of the phenomena of these sub-domains in diverse situations ranging from non-biological to biological ones like DNA hybridization and cellular biomicrofluidics. The book also addresses a generic problem of particle transport in nanoscale colloidal suspensions and includes a chapter on Lattice-Boltzmann methods for phase-changing problems which represents a generic particle based approach that may be useful to address many microfluidic problems of interdisciplinary relevance.
Transport Phenomena In Micro Process Engineering
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Author : Norbert Kockmann
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-11-12
Transport Phenomena In Micro Process Engineering written by Norbert Kockmann 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 2007-11-12 with Science categories.
In this book, the fundamentals of chemical engineering are presented with respect to applications in micro system technology, microfluidics, and transport processes within microstructures. Special features of the book include the state-of-the-art in micro process engineering, a detailed treatment of transport phenomena for engineers, and a design methodology from transport effects to economic considerations.
Transport Phenomena In Microfluidic Systems
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Author : Pradipta Kumar Panigrahi
language : en
Publisher: John Wiley & Sons
Release Date : 2016-02-15
Transport Phenomena In Microfluidic Systems written by Pradipta Kumar Panigrahi 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 2016-02-15 with Science categories.
Fully comprehensive introduction to the rapidly emerging area of micro systems technology Transport Phenomena in Micro Systems explores the fundamentals of the new technologies related to Micro-Electro-Mechanical Systems (MEMS). It deals with the behavior, precise control and manipulation of fluids that are geometrically constrained to a small, typically sub-millimeter, scale, such as nl, pl, fl, small size, low energy consumption, effects of the micro domain and heat transfer in the related devices. The author describes in detail and with extensive illustration micro fabrication, channel flow, transport laws, magnetophoresis, micro scale convection and micro sensors and activators, among others. This book spans multidisciplinary fields such as material science and mechanical engineering, engineering, physics, chemistry, microtechnology and biotechnology. Brings together in one collection recent and emerging developments in this fast-growing area of micro systems Covers multidisciplinary fields such as materials science, mechanical engineering, microtechnology and biotechnology, et al Comprehensive coverage of analytical models in microfluidics and MEMS technology Introduces micro fluidics applications include the development of inkjet printheads, micro-propulsion, and micro thermal technologies Presented in a very logical format Supplies readers with problems and solutions
Interfacial Transport Processes In Microfluidic Systems For Precision Surface Enhanced Raman Spectroscopy
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Author : Chrysafis Andreou
language : en
Publisher:
Release Date : 2013
Interfacial Transport Processes In Microfluidic Systems For Precision Surface Enhanced Raman Spectroscopy written by Chrysafis Andreou and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
In this way the interactions of very small numbers of the relevant species can be investigated. Together, SERS and microfluidics provide a powerful platform for detection of a wide range of analytes, with unparalleled specificity, precision, and accuracy.
Transport Processes At Fluidic Interfaces
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Author : Dieter Bothe
language : en
Publisher: Birkhäuser
Release Date : 2017-07-13
Transport Processes At Fluidic Interfaces written by Dieter Bothe and has been published by Birkhäuser this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-13 with Mathematics categories.
There are several physico-chemical processes that determine the behavior of multiphase fluid systems – e.g., the fluid dynamics in the different phases and the dynamics of the interface(s), mass transport between the fluids, adsorption effects at the interface, and transport of surfactants on the interface – and result in heterogeneous interface properties. In general, these processes are strongly coupled and local properties of the interface play a crucial role. A thorough understanding of the behavior of such complex flow problems must be based on physically sound mathematical models, which especially account for the local processes at the interface. This book presents recent findings on the rigorous derivation and mathematical analysis of such models and on the development of numerical methods for direct numerical simulations. Validation results are based on specifically designed experiments using high-resolution experimental techniques. A special feature of this book is its focus on an interdisciplinary research approach combining Applied Analysis, Numerical Mathematics, Interface Physics and Chemistry, as well as relevant research areas in the Engineering Sciences. The contributions originated from the joint interdisciplinary research projects in the DFG Priority Programme SPP 1506 “Transport Processes at Fluidic Interfaces.”
Free Surface Microflows And Particle Transport
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Author :
language : en
Publisher:
Release Date : 2006
Free Surface Microflows And Particle Transport written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
In the past decade, the development of so-called 'labs-on-a-chip' has led to an increased interest in microfluidic systems. On typical length scales up to hundred micrometers, water does not behave as we are used to in everyday life. It appears to be viscous like honey, its interface with the surrounding air is stiff and hard such that one could walk on it like a water strider. And, last but not least, all movement is subject to fluctuations, leading to well-known phenomena such as Brownian motion. The present thesis describes the theoretical aspects of a promising new actuation technique for small amounts of water: Tiny droplets of water are agitated by a 'surface-acoustic wave' (SAW), which is a wave on the surface of a crystalline substrate, illustratively understood as a tiny earthquake. The SAW generates a flow pattern inside the droplets, which can be used to transport small particles in the flow. Strong SAWs are even able to deform the free surface of the fluid and to move the whole droplet. The thesis is focussed on two aspects of these systems: First, a stable algorithm is presented which allows to calculate internal flows in two dimensions bounded by a free surface. Special emphasis is put on the position and shape of the free surface. Its calculation has to take into account the mutual influence of the flow pattern and the free surface in the parameter regime of large surface tension. As an application of the algorithm, an experimentally observed droplet deformation is considered. The numerical results allow the conclusion that the effective force by the SAW on the fluid gives rise to a large pressure but only to a slow velocity field. The second part of the thesis describes the accumulation of finite-size particles in free-surface flows. The transport of a particle in a viscous flow comprises a deterministic and a random aspect. Generally, the surrounding flow exerts stress on the particle via its boundary. If the particles are considerably small, additi.
Interfacial Fluid Dynamics And Transport Processes
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Author : Ranga Narayanan
language : en
Publisher: Springer
Release Date : 2013-06-29
Interfacial Fluid Dynamics And Transport Processes written by Ranga Narayanan and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Science categories.
The present set of lectures and tutorial reviews deals with various topical aspects related to instabilities of interfacial processes and driven flows from both the theoretical and experimental point of views. New research has been spurred by demands for many applications in material sciences (melting, solidification, electro deposition), biomedical engineering and processing in microgravity environments. This book is intended as both a modern source of reference for researchers in the field as well as an introduction to postgraduate students and non-specialists from related areas.