Drop Dynamics And Dropwise Condensation On Textured Surfaces
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Drop Dynamics And Dropwise Condensation On Textured Surfaces
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Author : Sameer Khandekar
language : en
Publisher: Springer Nature
Release Date : 2020-09-11
Drop Dynamics And Dropwise Condensation On Textured Surfaces written by Sameer Khandekar and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-11 with Science categories.
This book is an expanded form of the monograph, Dropwise Condensation on Inclined Textured Surfaces, Springer, 2013, published earlier by the authors, wherein a mathematical model for dropwise condensation of pure vapor over inclined textured surfaces was presented, followed by simulations and comparison with experiments. The model factored in several details of the overall quasi-cyclic process but approximated those at the scale of individual drops. In the last five years, drop level dynamics over hydrophobic surfaces have been extensively studied. These results can now be incorporated in the dropwise condensation model. Dropwise condensation is an efficient route to heat transfer and is often encountered in major power generation applications. Drops are also formed during condensation in distillation devices that work with diverse fluids ranging from water to liquid metals. Design of such equipment requires careful understanding of the condensation cycle, starting from the birth of nuclei, followed by molecular clusters, direct growth of droplets, their coalescence, all the way to instability and fall-off of condensed drops. The model described here considers these individual steps of the condensation cycle. Additional discussions include drop shape determination under static conditions, a fundamental study of drop spreading in sessile and pendant configurations, and the details of the drop coalescence phenomena. These are subsequently incorporated in the condensation model and their consequences are examined. As the mathematical model is spread over multiple scales of length and time, a parallelization approach to simulation is presented. Special topics include three-phase contact line modeling, surface preparation techniques, fundamentals of evaporation and evaporation rates of a single liquid drop, and measurement of heat transfer coefficient during large-scale condensation of water vapor. We hope that this significantly expanded text meets the expectations of design engineers, analysts, and researchers working in areas related to phase-change phenomena and heat transfer.
Dropwise Condensation On Inclined Textured Surfaces
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Author : Sameer Khandekar
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-09-06
Dropwise Condensation On Inclined Textured Surfaces written by Sameer Khandekar 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 2013-09-06 with Science categories.
Dropwise Condensation on Textured Surfaces presents a holistic framework for understanding dropwise condensation through mathematical modeling and meaningful experiments. The book presents a review of the subject required to build up models as well as to design experiments. Emphasis is placed on the effect of physical and chemical texturing and their effect on the bulk transport phenomena. Application of the model to metal vapor condensation is of special interest. The unique behavior of liquid metals, with their low Prandtl number and high surface tension, is also discussed. The model predicts instantaneous drop size distribution for a given level of substrate subcooling and derives local as well as spatio-temporally averaged heat transfer rates and wall shear stress.
Droplet And Spray Transport Paradigms And Applications
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Author : Saptarshi Basu
language : en
Publisher: Springer
Release Date : 2017-12-12
Droplet And Spray Transport Paradigms And Applications written by Saptarshi Basu and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-12 with Technology & Engineering categories.
This book focuses on droplets and sprays and their applications. It discusses how droplet level transport is central to a multitude of applications and how droplet level manipulation and control can enhance the efficiency and design of multiphase systems. Droplets and sprays are ubiquitous in a variety of multiphase and multiscale applications in surface patterning, oil recovery, combustion, atomization, spray drying, thermal barrier coating, renewable energy, and electronic cooling, to name but a few. This book provides two levels of details pertaining to such applications. Each chapter delves into a specific application and provides not only an overview but also detailed physical insights into the application mechanism from the point of view of droplets and sprays. All chapters provide a mix of cutting-edge applications, new diagnostic techniques and modern computational methodologies, as well as the fundamental physical mechanism involved in each application. Taken together, the chapters provide a translational perspective on these applications, from basic transport processes to optimization, and from design to implementation using droplets or sprays as fundamental building blocks. Given its breadth of coverage, the book will be of interest to students, researchers, and industry professionals alike.
Fluid Mechanics And Fluid Power Contemporary Research
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Author : Arun K. Saha
language : en
Publisher: Springer
Release Date : 2016-09-20
Fluid Mechanics And Fluid Power Contemporary Research written by Arun K. Saha and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-20 with Technology & Engineering categories.
This volume comprises the proceedings of the 42nd National and 5th International Conference on Fluid Mechanics and Fluid Power held at IIT Kanpur in December, 2014.The conference proceedings encapsulate the best deliberations held during the conference. The diversity of participation in the conference, from academia, industry and research laboratories reflects in the articles appearing in the volume. This contributed volume has articles from authors who have participated in the conference on thematic areas such as Fundamental Issues and Perspectives in Fluid Mechanics; Measurement Techniques and Instrumentation; Computational Fluid Dynamics; Instability, Transition and Turbulence; Turbomachinery; Multiphase Flows; Fluid‐Structure Interaction and Flow‐Induced Noise; Microfluidics; Bio‐inspired Fluid Mechanics; Internal Combustion Engines and Gas Turbines; and Specialized Topics. The contents of this volume will prove useful to researchers from industry and academia alike.
Surfaces And Interfaces Of Biomimetic Superhydrophobic Materials
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Author : Zhiguang Guo
language : en
Publisher: John Wiley & Sons
Release Date : 2017-09-13
Surfaces And Interfaces Of Biomimetic Superhydrophobic Materials written by Zhiguang Guo 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 2017-09-13 with Technology & Engineering categories.
A comprehensive and systematic treatment that focuses on surfaces and interfaces phenomena inhabited in biomimetic superhydrophobic materials, offering new fundamentals and novel insights. As such, this new book covers the natural surfaces, fundamentals, fabrication methods and exciting applications of superhydrophobic materials, with particular attention paid to the smart surfaces that can show switchable and reversible water wettability under external stimuli, such as pH, temperature, light, solvents, and electric fields. It also includes recent theoretical advances of superhydrophobic surfaces with regard to the wetting process, and some promising breakthroughs to promote this theory. As a result, materials scientists, physicists, physical chemists, chemical engineers, and biochemists will benefit greatly from a deeper understanding of this topic.
Non Wettable Surfaces
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Author : Robin H A Ras
language : en
Publisher: Royal Society of Chemistry
Release Date : 2016-11-21
Non Wettable Surfaces written by Robin H A Ras and has been published by Royal Society of Chemistry this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-21 with Science categories.
The objective of this book is to integrate information about the theory, preparation and applications of non-wettable surfaces in one volume. By combining the discussion of all three aspects together the editors will show how theory assists the development of preparations methods and how these surfaces can be applied to different situations. The book is separated into three sections, first covering the theory, then going on to preparation of these surfaces and finally discussing the applications in detail. Edited by two of the most innovative contributors to the field of superhydrophobicity, this book will be essential reading for materials scientists interested in any aspect of surface, colloid and polymer science, thermodynamics, superhydrophobic and superhygrophobic surfaces.
Smart Materials For Advanced Environmental Applications
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Author : Peng Wang
language : en
Publisher: Royal Society of Chemistry
Release Date : 2016-02-23
Smart Materials For Advanced Environmental Applications written by Peng Wang and has been published by Royal Society of Chemistry this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-02-23 with Technology & Engineering categories.
The development of smart materials for environmental applications is a highly innovative and promising new approach to meet the increasing demands from society on water resources and pollution remediation. Smart materials with surfaces that can reversibly respond to stimuli from internal and external environments by changing their properties show great promise as solutions for global environmental issues. Many of these functional materials are inspired by biological systems, that use sophisticated material interfaces to display high levels of adaptability to their environment. Leading researchers present the latest information on the current and potential applications of omniphobic slippery coatings, responsive particle stabilized emulsions and self-healing surfaces among other functional materials. The book contains a section dedicated to water treatment and harvesting, describing and explaining strategies such as use of copolymer membranes and surfaces with patterned wettability. It provides a valuable source of information for environmental, materials, polymer and nano-scientists interested in environmental applications of functional material surfaces.
Encyclopedia Of Two Phase Heat Transfer And Flow Iii Macro And Micro Flow Boiling And Numerical Modeling Fundamentals A 4 Volume Set
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Author : John R Thome
language : en
Publisher: World Scientific
Release Date : 2018-03-13
Encyclopedia Of Two Phase Heat Transfer And Flow Iii Macro And Micro Flow Boiling And Numerical Modeling Fundamentals A 4 Volume Set written by John R Thome and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-13 with Technology & Engineering categories.
Set III of this encyclopedia is a new addition to the previous Sets I and II. It contains 26 invited chapters from international specialists on the topics of numerical modeling of two-phase flows and evaporation, fundamentals of evaporation and condensation in microchannels and macrochannels, development and testing of micro two-phase cooling systems for electronics, and various special topics (surface wetting effects, microfin tubes, two-phase flow vibration across tube bundles). The chapters are written both by renowned university researchers and by well-known engineers from leading corporate research laboratories. Numerous 'must read' chapters cover the fundamentals of research and engineering practice on boiling, condensation and two-phase flows, two-phase heat transfer equipment, electronics cooling systems, case studies and so forth. Set III constitutes a 'must have' reference together with Sets I and II for thermal engineering researchers and practitioners.
Dynamic Wetting By Nanofluids
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Author : Gui Lu
language : en
Publisher: Springer
Release Date : 2015-11-24
Dynamic Wetting By Nanofluids written by Gui Lu and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-11-24 with Technology & Engineering categories.
This PhD thesis presents the latest research findings on nanofluid wetting kinetics, which has wide applications in nano/microscale processes and devices. It analyzes complex dynamic wetting by nanofluids using both experiments and multi-scale simulation methods, and presents multiscale (from nano to macroscale) mechanisms and tunable methods to elucidate and control nanofluid dynamic wetting. The book is of interest to university researchers, R&D engineers and graduate students in surface science, materials science and thermal engineering.
Multiphase Flow Handbook Second Edition
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Author : Efstathios Michaelides
language : en
Publisher: CRC Press
Release Date : 2016-10-26
Multiphase Flow Handbook Second Edition written by Efstathios Michaelides and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-10-26 with Science categories.
The Multiphase Flow Handbook, Second Edition is a thoroughly updated and reorganized revision of the late Clayton Crowe’s work, and provides a detailed look at the basic concepts and the wide range of applications in this important area of thermal/fluids engineering. Revised by the new editors, Efstathios E. (Stathis) Michaelides and John D. Schwarzkopf, the new Second Edition begins with two chapters covering fundamental concepts and methods that pertain to all the types and applications of multiphase flow. The remaining chapters cover the applications and engineering systems that are relevant to all the types of multiphase flow and heat transfer. The twenty-one chapters and several sections of the book include the basic science as well as the contemporary engineering and technological applications of multiphase flow in a comprehensive way that is easy to follow and be understood. The editors created a common set of nomenclature that is used throughout the book, allowing readers to easily compare fundamental theory with currently developing concepts and applications. With contributed chapters from sixty-two leading experts around the world, the Multiphase Flow Handbook, Second Edition is an essential reference for all researchers, academics and engineers working with complex thermal and fluid systems.