Numerical Investigation Of Dropwise Condensation On Smooth Plates With Different Wettability

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Numerical Investigation of Dropwise Condensation on Smooth Plates with Different Wettability

Author : Danuska Pathiranage
Publisher : GRIN Verlag
ISBN 13 : 3346524698
Total Pages : 47 pages
Book Rating : 4.3/5 (465 download)

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Book Synopsis Numerical Investigation of Dropwise Condensation on Smooth Plates with Different Wettability by : Danuska Pathiranage

Download or read book Numerical Investigation of Dropwise Condensation on Smooth Plates with Different Wettability written by Danuska Pathiranage and published by GRIN Verlag. This book was released on 2021-10-27 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bachelor Thesis from the year 2020 in the subject Engineering - Aerospace Technology, grade: First Class, University of Brighton, course: BEng Aeronautical Engineering, language: English, abstract: This project investigates the effects of different wettability characteristics in drop wise condensation on smooth plates. It involves a Volume of Fluid (VOF) based Computational. Condensers are used in various energy intensive processing industries. Improving their efficiency plays a crucial role in optimization of energy consumption. Drop wise Condensation is a highly attractive form of heat transfer. Fluids Dynamics (CFD) model to carry out the simulations in OpenFOAM on smooth plates with various wettabilities. Different parameters such as receding angle, advancing angle and various radii of droplets have been used for investigation. A base case with droplets’ radius of 12.5μm, receding angle and advancing angles of (34°, 90°) was used. Three sets of simulations were performed. In Set 1, the angles were (34°, 90°). The radius of the first droplet was kept constant at 12.5μm and the radius of the second droplet changes 1:4 progressively. In Set 2, the angles are changed to (154°,162°) and the radius of the second droplet changes in the same manner above. In Set 3, the angles were kept at (107°, 117°). The radius changes as above. In some cases, the droplets merge and condense. In others, momentum created by merging of the droplets creates repeated oscillation or even a lift off, from the cooled plate.

Handbook of Thermal Science and Engineering

Author :
Publisher : Springer
ISBN 13 : 9783319266947
Total Pages : 0 pages
Book Rating : 4.2/5 (669 download)

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Book Synopsis Handbook of Thermal Science and Engineering by :

Download or read book Handbook of Thermal Science and Engineering written by and published by Springer. This book was released on 2018-07-31 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Handbook provides researchers, faculty, design engineers in industrial R&D, and practicing engineers in the field concise treatments of advanced and more-recently established topics in thermal science and engineering, with an important emphasis on micro- and nanosystems, not covered in earlier references on applied thermal science, heat transfer or relevant aspects of mechanical/chemical engineering. Major sections address new developments in heat transfer, transport phenomena, single- and multiphase flows with energy transfer, thermal-bioengineering, thermal radiation, combined mode heat transfer, coupled heat and mass transfer, and energy systems. Energy transport at the macro-scale and micro/nano-scales is also included. The internationally recognized team of authors adopt a consistent and systematic approach and writing style, including ample cross reference among topics, offering readers a user-friendly knowledgebase greater than the sum of its parts, perfect for frequent consultation. The Handbook of Thermal Science and Engineering is ideal for academic and professional readers in the traditional and emerging areas of mechanical engineering, chemical engineering, aerospace engineering, bioengineering, electronics fabrication, energy, and manufacturing concerned with the influence thermal phenomena.

Dropwise Condensation on Inclined Textured Surfaces

Author : Sameer Khandekar
Publisher : Springer Science & Business Media
ISBN 13 : 1461484472
Total Pages : 155 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Dropwise Condensation on Inclined Textured Surfaces by : Sameer Khandekar

Download or read book Dropwise Condensation on Inclined Textured Surfaces written by Sameer Khandekar and published by Springer Science & Business Media. This book was released on 2013-09-06 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Surface Wetting

Author : Kock-Yee Law
Publisher : Springer
ISBN 13 : 3319252143
Total Pages : 169 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Surface Wetting by : Kock-Yee Law

Download or read book Surface Wetting written by Kock-Yee Law and published by Springer. This book was released on 2015-11-18 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes wetting fundamentals and reviews the standard protocol for contact angle measurements. The authors include a brief overview of applications of contact angle measurements in surface science and engineering. They also discuss recent advances and research trends in wetting fundamentals and include measurement techniques and data interpretation of contract angles.

Handbook of Phase Change

Author : S.G. Kandlikar
Publisher : Routledge
ISBN 13 : 1351442198
Total Pages : 786 pages
Book Rating : 4.3/5 (514 download)

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Book Synopsis Handbook of Phase Change by : S.G. Kandlikar

Download or read book Handbook of Phase Change written by S.G. Kandlikar and published by Routledge. This book was released on 2019-01-22 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a comprehensive coverage of the basic phenomena. It contains twenty-five chapters which cover different aspects of boiling and condensation. First the specific topic or phenomenon is described, followed by a brief survey of previous work, a phenomenological model based on current understanding, and finally a set of recommended design equa

Nucleation of Water

Author : Ari Laaksonen
Publisher : Elsevier
ISBN 13 : 0128143223
Total Pages : 296 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Nucleation of Water by : Ari Laaksonen

Download or read book Nucleation of Water written by Ari Laaksonen and published by Elsevier. This book was released on 2021-11-25 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nucleation of Water: From Fundamental Science to Atmospheric and Additional Applications provides a comprehensive accounting of the current state-of-the-art regarding the nucleation of water. It covers vapor-liquid, liquid-vapor, liquid-ice and vapor-ice transitions and describes basic kinetic and thermodynamic concepts in a manner understandable to researchers working on specific applications. The main focus of the book lies in atmospheric phenomena, but it also describes engineering and biological applications. Bubble nucleation, although not of major atmospheric relevance, is included for completeness. This book presents a single, go-to resource that will help readers understand the breadth and depth of nucleation, both in theory and in real-world examples. - Offers a single, comprehensive work on water nucleation, including cutting- edge research on ice, cloud and bubble nucleation - Written primarily for atmospheric scientists, but it also presents the theories in such a way that researchers in other disciplines will find it useful - Written by one of the world's foremost experts on ice nucleation

AES Research Report

Author : American Electroplaters' Society
Publisher :
ISBN 13 :
Total Pages : 696 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis AES Research Report by : American Electroplaters' Society

Download or read book AES Research Report written by American Electroplaters' Society and published by . This book was released on 1950 with total page 696 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Wetting and Wettability

Author : Mahmood Aliofkhazraei
Publisher : BoD – Books on Demand
ISBN 13 : 9535122150
Total Pages : 386 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Wetting and Wettability by : Mahmood Aliofkhazraei

Download or read book Wetting and Wettability written by Mahmood Aliofkhazraei and published by BoD – Books on Demand. This book was released on 2015-12-16 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: On the liquid 's surface, the molecules have fewer neighbors in comparison with the bulk volume. As a result, the energy interaction shows itself in the surface tension. Traditionally, the surface tension can be assumed as a force in the unit of the length which can be counted by the unit of Newton on squared meter, or energy on the units of the surface. The surface tension, implies the interface between liquid and vapor, which is an example of the surface tensions. The equilibrium between these surface tensions, decides that a droplet on a solid surface, would have a droplet form or will change to layer form. This book collects new developments in wetting and wettability science.

The Surface Wettability Effect on Phase Change

Author : Marco Marengo
Publisher : Springer
ISBN 13 : 9783030829940
Total Pages : 0 pages
Book Rating : 4.8/5 (299 download)

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Book Synopsis The Surface Wettability Effect on Phase Change by : Marco Marengo

Download or read book The Surface Wettability Effect on Phase Change written by Marco Marengo and published by Springer. This book was released on 2022-10-30 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Surface Wettability Effect on Phase Change collects high level contributions from internationally recognised scientists in the field. It thoroughly explores surface wettability, with topics spanning from the physics of phase change, physics of nucleation, mesoscale modeling, analysis of phenomena such drop evaporation, boiling, local heat flux at triple line, Leidenfrost, dropwise condensation, heat transfer enhancement, freezing, icing. All the topics are treated by discussing experimental results, mathematical modeling and numerical simulations. In particular, the numerical methods look at direct numerical simulations in the framework of VOF simulations, phase-field simulations and molecular dynamics. An introduction to equilibrium and non-equilibrium thermodynamics of phase change, wetting phenomena, liquid interfaces, numerical simulation of wetting phenomena and phase change is offered for readers who are less familiar in the field. This book will be of interest to researchers, academics, engineers, and postgraduate students working in the area of thermofluids, thermal management, and surface technology.

Electroless Plating

Author : Glenn O. Mallory
Publisher : William Andrew
ISBN 13 : 9780936569079
Total Pages : 552 pages
Book Rating : 4.5/5 (69 download)

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Book Synopsis Electroless Plating by : Glenn O. Mallory

Download or read book Electroless Plating written by Glenn O. Mallory and published by William Andrew. This book was released on 1990 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Microscale Surface Tension and Its Applications

Author : Pierre Lambert
Publisher : MDPI
ISBN 13 : 3039215647
Total Pages : 240 pages
Book Rating : 4.0/5 (392 download)

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Book Synopsis Microscale Surface Tension and Its Applications by : Pierre Lambert

Download or read book Microscale Surface Tension and Its Applications written by Pierre Lambert and published by MDPI. This book was released on 2019-10-21 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Building on advances in miniaturization and soft matter, surface tension effects are a major key to the development of soft/fluidic microrobotics. Benefiting from scaling laws, surface tension and capillary effects can enable sensing, actuation, adhesion, confinement, compliance, and other structural and functional properties necessary in micro- and nanosystems. Various applications are under development: microfluidic and lab-on-chip devices, soft gripping and manipulation of particles, colloidal and interfacial assemblies, fluidic/droplet mechatronics. The capillary action is ubiquitous in drops, bubbles and menisci, opening a broad spectrum of technological solutions and scientific investigations. Identified grand challenges to the establishment of fluidic microrobotics include mastering the dynamics of capillary effects, controlling the hysteresis arising from wetting and evaporation, improving the dispensing and handling of tiny droplets, and developing a mechatronic approach for the control and programming of surface tension effects. In this Special Issue of Micromachines, we invite contributions covering all aspects of microscale engineering relying on surface tension. Particularly, we welcome contributions on fundamentals or applications related to: Drop-botics: fluidic or surface tension-based micro/nanorobotics: capillary manipulation, gripping, and actuation, sensing, folding, propulsion and bio-inspired solutions; Control of surface tension effects: surface tension gradients, active surfactants, thermocapillarity, electrowetting, elastocapillarity; Handling of droplets, bubbles and liquid bridges: dispensing, confinement, displacement, stretching, rupture, evaporation; Capillary forces: modelling, measurement, simulation; Interfacial engineering: smart liquids, surface treatments; Interfacial fluidic and capillary assembly of colloids and devices; Biological applications of surface tension, including lab-on-chip and organ-on-chip systems.

Applied mechanics reviews

Author :
Publisher :
ISBN 13 :
Total Pages : 400 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Applied mechanics reviews by :

Download or read book Applied mechanics reviews written by and published by . This book was released on 1948 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Drop Dynamics and Dropwise Condensation on Textured Surfaces

Author : Sameer Khandekar
Publisher : Springer
ISBN 13 : 9783030484606
Total Pages : 452 pages
Book Rating : 4.4/5 (846 download)

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Book Synopsis Drop Dynamics and Dropwise Condensation on Textured Surfaces by : Sameer Khandekar

Download or read book Drop Dynamics and Dropwise Condensation on Textured Surfaces written by Sameer Khandekar and published by Springer. This book was released on 2020-10-17 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Principles of Enhanced Heat Transfer

Author : Ralph L. Webb
Publisher : Wiley-Interscience
ISBN 13 :
Total Pages : 584 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Principles of Enhanced Heat Transfer by : Ralph L. Webb

Download or read book Principles of Enhanced Heat Transfer written by Ralph L. Webb and published by Wiley-Interscience. This book was released on 1994-03-28 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: Indeed, today "second generation" enhancement concepts are routing in the automotive and refrigeration industries to obtain lower cost, smaller heat exchanger size, and higher energy efficiency in system operation. And the aerospace, process, and power generation industries are not far behind.

Dropwise Condensation

Author : Nicholas Fatica
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Dropwise Condensation by : Nicholas Fatica

Download or read book Dropwise Condensation written by Nicholas Fatica and published by . This book was released on 1949 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fundamentals of Multiphase Heat Transfer and Flow

Author : Amir Faghri
Publisher : Springer Nature
ISBN 13 : 3030221377
Total Pages : 840 pages
Book Rating : 4.0/5 (32 download)

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Book Synopsis Fundamentals of Multiphase Heat Transfer and Flow by : Amir Faghri

Download or read book Fundamentals of Multiphase Heat Transfer and Flow written by Amir Faghri and published by Springer Nature. This book was released on 2019-09-13 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook presents a modern treatment of fundamentals of heat and mass transfer in the context of all types of multiphase flows with possibility of phase-changes among solid, liquid and vapor. It serves equally as a textbook for undergraduate senior and graduate students in a wide variety of engineering disciplines including mechanical engineering, chemical engineering, material science and engineering, nuclear engineering, biomedical engineering, and environmental engineering. Multiphase Heat Transfer and Flow can also be used to teach contemporary and novel applications of heat and mass transfer. Concepts are reinforced with numerous examples and end-of-chapter problems. A solutions manual and PowerPoint presentation are available to instructors. While the book is designed for students, it is also very useful for practicing engineers working in technical areas related to both macro- and micro-scale systems that emphasize multiphase, multicomponent, and non-conventional geometries with coupled heat and mass transfer and phase change, with the possibility of full numerical simulation.

Boilers, Evaporators, and Condensers

Author : Sadik Kakaç
Publisher : John Wiley & Sons
ISBN 13 : 9780471621706
Total Pages : 868 pages
Book Rating : 4.6/5 (217 download)

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Book Synopsis Boilers, Evaporators, and Condensers by : Sadik Kakaç

Download or read book Boilers, Evaporators, and Condensers written by Sadik Kakaç and published by John Wiley & Sons. This book was released on 1991-09-03 with total page 868 pages. Available in PDF, EPUB and Kindle. Book excerpt: This up-to-date reference covers the thermal design, operation and maintenance of the three major components in industrial heating and air conditioning systems including fossil fuel-fired boilers, waste heat boilers and air conditioning evaporators. Among the distinguishing features covered are: the numerous types of components in use and the features and relative merits of each, overviews of the major technical sections of the book, with suggested approaches to design based on industrial experience, case studies and examples of actual engineering problems, design methods and procedures based on current industrial practice in the United States, Russia, China and Europe with data charts, tables and thermal-hydraulic correlations for design included, and various approaches to design based on experience in the art of industrial process equipment design.