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Non Equilibrium Evaporation And Condensation Processes
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Book Synopsis Non-equilibrium Evaporation and Condensation Processes by : Yuri B. Zudin
Download or read book Non-equilibrium Evaporation and Condensation Processes written by Yuri B. Zudin and published by Springer. This book was released on 2019-03-12 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph is focused mostly on the exposition of analytical methods for the solution of problems of strong phase change. A new theoretical model is proved useful in describing, with acceptable accuracy, problems of strong evaporation and condensation. The book is the first to treat the problem of asymmetry for evaporation/condensation. A semi-empirical model for the process is proposed for purposes of practical calculation of the process of strong evaporation. The “limiting schemes” of the vapor bubble growth are analyzed. The thermo-hydrodynamic problem of evaporating meniscus of a thin liquid film on a heated surface is considered. A theoretical analysis of the problem of evaporation of a drop levitating over a vapor cushion is performed. The problem of vapor condensation upon a transversal flow around a horizontal cylinder is considered. The second edition is extended by (i) the conjugate “strong evaporation - heat conduction” problem, (ii) the influence of accommodation coefficients on intensive processes of evaporation and condensation, (iii) the problem of supersonic condensation. This book is the first to present a comprehensive theoretical approach of boiling problems: nucleate boiling, superfluid helium phase transition, similarity between pseudo-boiling and subcritical pressure nucleate boiling. The target audience primarily comprises research experts in the field of thermodynamics and fluid dynamics, but the book may also be beneficial for graduate students.
Book Synopsis NON-EQUILIBRIUM EVAPORATION AND CONDENSATION PROCESSES by : YURI B. ZUDIN
Download or read book NON-EQUILIBRIUM EVAPORATION AND CONDENSATION PROCESSES written by YURI B. ZUDIN and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Non-equilibrium Evaporation and Condensation Processes by : Yuri B. Zudin
Download or read book Non-equilibrium Evaporation and Condensation Processes written by Yuri B. Zudin and published by Springer Nature. This book was released on 2021-02-27 with total page 573 pages. Available in PDF, EPUB and Kindle. Book excerpt: This present book is concerned with analytical approaches to statement and solution of problems of non-equilibrium evaporation and condensation. From analytical solutions, one is capable to understand and represent in a transparent form the principal laws, especially in the study of a new phenomenon or a process. This is why analytical methods are always employed on the first stage of mathematical modeling. Analytical solutions are also used as test models for validation of results numerical solutions. Non-equilibrium evaporation and condensation processes play an important role in a number of fundamental and applied problems: laser methods for processing of materials, depressurization of the protection cover of nuclear propulsion units, solar radiation on a comet surface, explosive boiling of superheated liquid, thermodynamic principles of superfluid helium. Analytical relations provide an adequate description of the essence of a physical phenomenon.
Book Synopsis Non-equilibrium Evaporation and Condensation from a Liquid Layer Heated from Below at Microgravity by : S. P. Lin
Download or read book Non-equilibrium Evaporation and Condensation from a Liquid Layer Heated from Below at Microgravity written by S. P. Lin and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Liquid-vapor Phase-change Phenomena by : Van P. Carey
Download or read book Liquid-vapor Phase-change Phenomena written by Van P. Carey and published by Hemisphere Pub. This book was released on 1992 with total page 645 pages. Available in PDF, EPUB and Kindle. Book excerpt: This advanced textbook for courses covering heat transfer with phase change, was developed based on the author's wide experience of teaching courses on the subject. In his comprehensive treatment, Carey offers, through illustrative examples and problems, a presentation of non-equilibrium thermodynamics and interfacial phenomena associated with vaporization and condensation processes, in addition to fundamentals of heat tranfer and fluid flow mechanisms. The sequence in which the material is presented is designed to facilitate instruction at the advanced undergraduate level in mechanical and chemical engineering. Tables of thermophysical properties are included in an appendix to aid in the solution to many of the homework problems.
Book Synopsis Macroscopic Modelling of the Phase Interface in Non-equilibrium Evaporation/condensation Based on the Enskog-Vlasov Equation by : Hamidreza Jahandideh
Download or read book Macroscopic Modelling of the Phase Interface in Non-equilibrium Evaporation/condensation Based on the Enskog-Vlasov Equation written by Hamidreza Jahandideh and published by . This book was released on 2022 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Considerable jump and slip phenomena are observed at the non-equilibrium phase interface in microflows. Hence, accurate modelling of the liquid-vapour interface transport mechanisms that matches the observations is required, e.g. in applications such as micro/nanotechnology and micro fuel cells. In the sharp interface model, the classical Navier-Stokes-Fourier (NSF) equations can be used in the liquid and vapour phases, while the interface resistivities describe the jump and slip phenomena at the interface. However, resistivities are challenging to find from the measurements, and most of the classical kinetic theories consider them as constants. One possible approach is to determine them from a model that resolves the phase interface. In order to resolve the interface and the transport processes at and in front of the interface in high resolutions, there are two ways in general, microscopic or macroscopic. The microscopic studies are based either on molecular dynamics (MD) or kinetic models, such as the Enskog-Vlasov (EV) equation. The EV equation modifies the Boltzmann equation by considering dense gas effects, such as the interaction forces between the particles and their finite size. It can be solved by the Direct Simulation Monte Carlo (DSMC) method, which considers sample particles that stand in for thousands to hundred thousands of particles and determine most likely collisions based on interaction probabilities, but it is time-consuming and costly. Here, a closed set of 26-moment equations is numerically solved to resolve the liquid-vapour interface macroscopically while considering the dense gas and phase change effects. The 26-moment set of equations is derived by Struchtrup & Frezzotti as an approximation of the EV equation using Grad's moment method. The macroscopic moment equations resolve the phase interface in a high resolution competitive to the microscopic studies. The resolved interface visualizes the interface structure and the changes of the system variables between the two phases at the interface. The 26-moment equations are solved for a one-dimensional steady-state system for non-equilibrium evaporation/condensation process. Then, solutions are used to find the jump and slip conditions at the interface, which leads to determining the interface resistivities at different interface temperatures and non-equilibrium strengths from the Linear Irreversible Thermodynamics (LIT). The interface resistivities show their dependence on the temperature of the liquid at the interface as well as the strength of the non-equilibrium process. As a result, in further studies, similar systems can be modelled using the sharp interface method with the appropriate jump conditions at the phase interface that can be found from the determined EV interface resistivities.
Book Synopsis Non-equilibrium Evaporation and Condensation by : Maurice Bond
Download or read book Non-equilibrium Evaporation and Condensation written by Maurice Bond and published by . This book was released on 2004 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Non-Equilibrium Phenomena near Vapor-Liquid Interfaces by : Alexei Kryukov
Download or read book Non-Equilibrium Phenomena near Vapor-Liquid Interfaces written by Alexei Kryukov and published by Springer Science & Business Media. This book was released on 2013-03-28 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents information on the development of a non-equilibrium approach to the study of heat and mass transfer problems using vapor-liquid interfaces, and demonstrates its application to a broad range of problems. In the process, the following peculiarities become apparent: 1. At vapor condensation on the interface from gas-vapor mixture, non-condensable components can lock up the interface surface and condensation stops completely. 2. At the evolution of vapor film on the heater in superfluid helium (He-II), the boiling mass flux density from the vapor-liquid interface is effectively zero at the macroscopic scale. 3. In problems concerning the motion of He-II bridges inside capillaries filled by vapor, in the presence of axial heat flux the He-II bridge cannot move from the heater as would a traditional liquid, but in the opposite direction instead. Thus the heater attracts the superfluid helium bridge. 4. The shape of liquid-vapor interface at film boiling on the axis-symmetric heaters immersed in liquid greatly depends on heat flux in the interface. Thus a new type of hydrostatic problems appears when in contrast to traditional statements the shape of the liquid-vapor interface has a complex profile with a point of inflection and a smooth exit on a free liquid surface.
Book Synopsis Acoustic Cavitation and Bubble Dynamics by : Kyuichi Yasui
Download or read book Acoustic Cavitation and Bubble Dynamics written by Kyuichi Yasui and published by Springer. This book was released on 2017-10-26 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt: This brief explains in detail fundamental concepts in acoustic cavitation and bubble dynamics, and describes derivations of the fundamental equations of bubble dynamics in order to support those readers just beginning research in this field. Further, it provides an in-depth understanding of the physical basis of the phenomena. With regard to sonochemistry, the brief presents the results of numerical simulations of chemical reactions inside a bubble under ultrasound, especially for a single-bubble system and including unsolved problems. Written so as to be accessible both with and without prior knowledge of fundamental fluid dynamics, the brief offers a valuable resource for students and researchers alike, especially those who are unfamiliar with this field. A grasp of fundamental undergraduate mathematics such as partial derivative and fundamental integration is advantageous; however, even without any background in mathematics, readers can skip the equations and still understand the fundamental physics of the phenomena using the book’s wealth of illustrations and figures. As such, it is also suitable as an introduction to the field.
Book Synopsis Non-equilibrium Evaporation and Condensation by : Maurice Bond
Download or read book Non-equilibrium Evaporation and Condensation written by Maurice Bond and published by . This book was released on 2004 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaporation, Condensation and Heat Transfer by : Petros Antonis
Download or read book Evaporation, Condensation and Heat Transfer written by Petros Antonis and published by . This book was released on 2016-04-01 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heat is the kinetic energy of particles as they vibrate. If we heat the particles at one end of a material the particles at that end vibrate more (have more kinetic energy) and bump into the neighboring particles which causes them to vibrate more. They collide with their neighbors and so the energy passes from one particle to another through the material. Evaporation and condensation are two processes through which matter changes from one state to another. Matter can exist in three different states: solid, liquid, or gas. In evaporation, matter changes from a liquid to a gas. In condensation, matter changes from a gas to a liquid. All matter is made of tiny moving particles called molecules. Evaporation and condensation happen when these molecules gain or lose energy in the form of heat. Evaporation happens when a liquid is heated. The heat gives the liquid's molecules more energy. This energy causes the molecules to move faster. If they gain enough energy, the molecules near the surface break away. These molecules escape the liquid and enter the air as gas. Condensation happens when molecules in a gas cool down. As the molecules lose heat, they lose energy. As a result they slow down. They move closer to other gas molecules. Finally these molecules collect together to form a liquid. The theoretical analysis and modeling of heat and mass transfer rates produced in evaporation and condensation processes are noteworthy concerns in a design of extensive range of industrial processes and devices. The book Evaporation, Condensation and Heat transfer emphasizes on the current issues of modeling on evaporation, water vapor condensation, heat transfer and exchanger, and on fluid flow in different aspects. The approaches would be applicable in various industrial purposes as well. The advanced idea and information described here will be fruitful for the readers to find a sustainable solution in an industrialized society..
Book Synopsis Rarefied Gas Dynamics by : Carlo Cercignani
Download or read book Rarefied Gas Dynamics written by Carlo Cercignani and published by Cambridge University Press. This book was released on 2000-02-28 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this book is to present the concepts, methods and applications of kinetic theory to rarefied gas dynamics. After introducing the basic tools, problems in plane geometry are treated using approximation techniques (perturbation and numerical methods). These same techniques are later used to deal with two- and three-dimensional problems. The models include not only monatomic but also polyatomic gases, mixtures, chemical reactions. A special chapter is devoted to evaporation and condensation phenomena. Each section is accompanied by problems which are mainly intended to demonstrate the use of the material in the text and to outline additional subjects, results and equations. This will help ensure that the book can be used for a range of graduate courses in aerospace engineering or applied mathematics.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1965-04 with total page 1692 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Non-equilibrium Soft Matter Physics by : Shigeyuki Komura
Download or read book Non-equilibrium Soft Matter Physics written by Shigeyuki Komura and published by World Scientific. This book was released on 2012-02-03 with total page 435 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soft matter is a concept which covers polymers, liquid crystals, colloids, amphiphilic molecules, glasses, granular and biological materials. One of the fundamental characteristic features of soft matter is that it exhibits various mesoscopic structures originating from a large number of internal degrees of freedom of each molecule. Due to such intermediate structures, soft matter can easily be brought into non-equilibrium states and cause non-linear responses by imposing external fields such as an electric field, a mechanical stress or a shear flow. Volume 4 of the series in Soft Condensed Matter focuses on the non-linear and non-equilibrium properties of soft matter. It contains a collection of review articles on the current topics of non-equilibrium soft matter physics written by leading experts in the field. The topics dealt with in this volume includes rheology of polymers and liquid crystals, dynamical properties of Langmuir monolayers at the air/water interface, hydrodynamics of membranes and twisted filaments as well as dynamics of deformable self-propelled particles and migration of biological cells. This book serves both as an introduction to students as well as a useful reference to researchers.
Book Synopsis Analysis of Evaporation and Condensation Processes in Complex Convective Flows by : Xun Xu
Download or read book Analysis of Evaporation and Condensation Processes in Complex Convective Flows written by Xun Xu and published by . This book was released on 1989 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Non-equilibrium Thermodynamics of Heterogeneous Systems by : Signe Kjelstrup
Download or read book Non-equilibrium Thermodynamics of Heterogeneous Systems written by Signe Kjelstrup and published by World Scientific. This book was released on 2008 with total page 451 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this book is to encourage the use of non-equilibrium thermodynamics to describe transport in complex, heterogeneous media. With large coupling effects between the transport of heat, mass, charge and chemical reactions at surfaces, it is important to know how one should properly integrate across systems where different phases are in contact. No other book gives a prescription of how to set up flux equations for transports across heterogeneous systems.The authors apply the thermodynamic description in terms of excess densities, developed by Gibbs for equilibrium, to non-equilibrium systems. The treatment is restricted to transport into and through the surface. Using local equilibrium together with the balance equations for the surface, expressions for the excess entropy production of the surface and of the contact line are derived. Many examples are given to illustrate how the theory can be applied to coupled transport of mass, heat, charge and chemical reactions; in phase transitions, at electrode surfaces and in fuel cells. Molecular simulations and analytical studies are used to add insight.
Book Synopsis Droplets and Sprays by : Sergei Sazhin
Download or read book Droplets and Sprays written by Sergei Sazhin and published by Springer. This book was released on 2014-05-19 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing a clear and systematic description of droplets and spray dynamic models, this book maximises reader insight into the underlying physics of the processes involved, outlines the development of new physical and mathematical models and broadens understanding of interactions between the complex physical processes which take place in sprays. Complementing approaches based on the direct application of computational fluid dynamics (CFD), Droplets and Sprays treats both theoretical and practical aspects of internal combustion engine process such as the direct injection of liquid fuel, subcritical heating and evaporation. Including case studies that illustrate the approaches relevance to automotive applications, it is also anticipated that the described models can find use in other areas such as in medicine and environmental science.
