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Thermocapillary Convection In Evaporating Sessile Drops With Internal Solidification
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Book Synopsis THERMOCAPILLARY CONVECTION IN EVAPORATING SESSILE DROPS WITH INTERNAL SOLIDIFICATION. by : YEONG-JEN SU
Download or read book THERMOCAPILLARY CONVECTION IN EVAPORATING SESSILE DROPS WITH INTERNAL SOLIDIFICATION. written by YEONG-JEN SU and published by . This book was released on 1988 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: some special liquid properties such as hydrophilicity and hygroscopicity, induced diffusocapillary flow cannot be neglected.
Book Synopsis NUMERICAL STUDY ON THERMOCAPILLARY-DOMINANT CONVECTION IN SESSILE DROPS WITH INTERNAL SOLIDIFICATION (FLUID FLOW, SURFACE TENSION). by : KUOHSIU DAVID HUANG
Download or read book NUMERICAL STUDY ON THERMOCAPILLARY-DOMINANT CONVECTION IN SESSILE DROPS WITH INTERNAL SOLIDIFICATION (FLUID FLOW, SURFACE TENSION). written by KUOHSIU DAVID HUANG and published by . This book was released on 1992 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical results are also compared with experimental data available in the literature.
Book Synopsis Transport Phenomena In Thermal Control by : Guang-Jyh Hwang
Download or read book Transport Phenomena In Thermal Control written by Guang-Jyh Hwang and published by CRC Press. This book was released on 1989-08-01 with total page 822 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of research papers into transport phenomena in thermal control, closely related to several important aspects of cooling technology. Articles provide overviews of current advances and details of individual technologies including electronic and turbine cooling and Marangoni convection.
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1987 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Materials '93 by : T Matsumoto
Download or read book Advanced Materials '93 written by T Matsumoto and published by Newnes. This book was released on 2012-12-02 with total page 809 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computations, Glassy Materials, Microgravity and Non-Destructive Testing is a compilation of the papers presented during the Third IUMRS International Conference on Advanced Materials International Union of The Materials Research Societies that discussed the concepts and methods behind glassy materials. The book is divided into parts. Part 1 tackles the progresses in sol-gel science and technology; the reaction mechanisms of ormosils and effects of ultrasonic irradiation; and the preparation of different glasses and their properties. Part 2 covers topics such as the neural network system for the identification of materials; the use of computers for simulations of many-body systems; computer system for meeting the supercomputing needs of materials; quality control of materials information by knowledge base; and the development of knowledgebase system for computer-assisted alloy design. Part 3 deals with the properties of different materials, the concepts, and the techniques behind them, and Part 4 discusses the non-destructive evaluation. The text is recommended for chemists and engineers in the field of materials science, especially those who wish to know more about the progress in its field of research.
Book Synopsis Transport Phenomena in Manufacturing and Materials Processing by : W.-J. Yang
Download or read book Transport Phenomena in Manufacturing and Materials Processing written by W.-J. Yang and published by Elsevier. This book was released on 2016-01-21 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: Motivated by international competition and an easy access to high-speed computers the manufacturing and materials processing industry has seen many changes in recent times. New techniques are constantly being devloped based on a broad range of basic sciences including physics, chemistry and particularly thermal-fluids sciences and kinetics. In order to produce and treat massive products, the industry is also in need of a very wide range of engineering knowledge and skill for integrating metallurgy, mechanics, electricity, transport phenomena, instrumentation and computer control. This monograph covers a part of these demands, namely by presenting the available knowledge on transport phenomena in manufacturing and materials processing. It is divided into four parts. Part I deals with the fundamentals of transport phenomena, including the transfer of momentum, energy, mass, electric and magnetic properties. Parts II and III are concerned with applications of the fundamentals in transport phenomena occurring in manufacturing and materials processing, respectively. Emphasis has been placed on common aspects of both discciplines, such as forming, machining, welding, casting, injection molding, surface processes, heating and cooling, solidification, crystal growth and diffusion. Part IV deals with beam technology and microgravity, two topics of current importance.
Book Synopsis Heat Transfer 1990 by : Gad Hetsroni
Download or read book Heat Transfer 1990 written by Gad Hetsroni and published by CRC Press. This book was released on 1990 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of papers written for the Ninth International Heat Transfer Conference held in Jerusalem in 1990. The topics covered include natural convection, phase change, heat transfer augmentation, heat exchangers, two-phase flows and conduction and insulation.
Book Synopsis Sessile Water Droplets: Equilibrium and Evaporation by : Hadi Ghasemi
Download or read book Sessile Water Droplets: Equilibrium and Evaporation written by Hadi Ghasemi and published by . This book was released on 2011 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: The zeta-adsorption isotherm was used along with Gibbsian thermodynamics to determine an expression for the surface tension of solid-vapour interface. This expression was examined at low pressures to predict the surface tension of solids in the absence of adsorption, gammaS 0. The method indicated the same value of gammaS 0 for a solid using different vapour adsorption isotherms. A method based on the system stability was developed to predict the contact angle. The findings indicated that the contact angle is a thermodynamic property which depends on the state of the system. Furthermore, the dependence of contact angle on the curvature of three-phase contact line was described by the adsorption at the solid-liquid interface without the introduction of line tension.The energy transport mechanisms during steady-state evaporation of water-sessile droplets were studied. By suppressing the buoyancy-driven convection, the active modes of energy transport were thermal conduction and thermocapillary convection. The experiments on Cu, Au (111) and PDMS showed that the dominant mode of energy transport varies along the liquid-vapor interface. Near the droplet apex, thermal conduction provides enough energy for the evaporation. However, close to three-phase contact line where most of the evaporation occurs, thermocapillary convection is by far the dominant mode of energy transport. In the evaporation experiments on PDMS, the measured directions of thermocapillary convection were opposite of the predicted ones by other studies, since the energy carried by thermocapillary convection was neglected in the previous studies.The study was followed by examination of temperature boundary condition and energy transport at the solid-liquid interface. It was concluded that there is an adsorbed layer at the solid-liquid interface with different thermal properties compared to those of bulk liquid phase. This layer causes a resistance (Kapitsa resistance) and consequently a temperature discontinuity at the adsorbed layer-bulk liquid interface. Due to the high resistance at this interface, only a small portion of energy conducted by solid substrate enters directly to the bulk liquid phase. The remainder was transported through the adsorbed layer to the three-phase contact line. This energy was then distributed along the liquid-vapour interface by thermocapillary convection to be consumed by the evaporation process.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1989 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Onset of Marangoni Convection for Evaporating Liquids by : Brendan D. MacDonald
Download or read book The Onset of Marangoni Convection for Evaporating Liquids written by Brendan D. MacDonald and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heat Transfer Science and Technology, 1988 by : Buxuan Wang
Download or read book Heat Transfer Science and Technology, 1988 written by Buxuan Wang and published by Taylor & Francis. This book was released on 1989 with total page 866 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents the proceedings of the Second International Symposium on Heat Transfer (ISHT) Beijing, and reflects the importance of an international exchange of new ideas, and new achievements in the expanding field of heat transfer in the past three years.
Book Synopsis Previews of Heat and Mass Transfer by :
Download or read book Previews of Heat and Mass Transfer written by and published by . This book was released on 1988 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Influence of Forced Convection on Sessile Droplet Evaporation by : Henry Fung
Download or read book Influence of Forced Convection on Sessile Droplet Evaporation written by Henry Fung and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Evaporation is a phase change process with potential for achieving large heat transfer rates under high air temperatures due to the latent heat of vaporization. Bioin-spired artificial perspiration systems can leverage the evaporation of sessile droplets to implement this effect for different cooling applications. In the case of human perspiration, droplet evaporation typically occurs under exposure to moving air, or forced convection. However, current approaches to understanding droplet evaporation primarily use a vapour-diffusion limited model. Experiments using an open-loop wind tunnel and computer-vision based control system were conducted to measure evaporation rates of continuously-fed sessile droplets under forced convection. Results demonstrated increases to the evaporation rate with the inclusion of forced convection and removal of the vapour-diffusion limit, but also shows evidence for a limit based on thermal behavior. Additional experiments also demonstrate boundary layer effects caused by adjacent droplets suppresses increases to the evaporation rates from forced convection.
Book Synopsis Computer Simulations of Evaporation of Sessile Liquid Droplets on Solid Substrates by : Sergey Semenov
Download or read book Computer Simulations of Evaporation of Sessile Liquid Droplets on Solid Substrates written by Sergey Semenov and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Present work is focused on the numerical study of evaporation of sessile liquid droplets on top of smooth solid substrates. The process of evaporation of a sessile liquid droplet has lots of different applications both in industry and research area. This process has been under study for many years, and still it is an actual problem, solution of which can give answers on some fundamental and practical questions. Instantaneous distribution of mass and heat fluxes inside and outside of an evaporating sessile droplet is studied in this research using computer simulations. The deduced dependences of instantaneous fluxes are applied for self-consistent calculations of time evolution of evaporating sessile droplets. The proposed theory of evaporating sessile droplets of liquid has been validated against available experimental data, and has shown a good agreement. Evaporation of surfactant solution droplets is studied experimentally. The theory, proposed for two stages of evaporation, fits experimental data well. An additional evaporation stage, specific for surfactant solutions, is observed and described. Mathematical modelling of this stage requires further research on surfactant adsorption and its influence on the value of receding contact angle. Numerical study of the evaporation of microdroplets is conducted in order to evaluate the significance of different evaporation mechanisms (diffusive and kinetic models of evaporation) and different physical phenomena (Kelvin s equation, latent heat of vaporization, thermal Marangoni convection, Stefan flow).
Book Synopsis Rivista Di Matematica Pura Ed Applicata by :
Download or read book Rivista Di Matematica Pura Ed Applicata written by and published by . This book was released on 1994 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1991 with total page 696 pages. Available in PDF, EPUB and Kindle. Book excerpt:
