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Author: Hans Knof
Publisher: Springer-Verlag
ISBN: 3663073343
Category : Science
Languages : de
Pages : 105
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Book Description
This book is intended to be a comprehensive survey of irreversible phenomena in liquid metals. Experiments and special theoretical consid erations can be brought into a general scheme by means of the phenome nological theory of thermodynamics of irreversible processes. In this way well-investigated phenomena such as electrolysis in liquid alloys, and new fields of research such as isotopic separation in liquid metals by action of an electrical direct current, can be given the same theo retical foundation. The goal in this book is to deduce the theory of a special phenomenon as well as to describe experiments connected with the resulting effects. On the other hand no kinetic theory is given since to date no general kinetic theory exists for liquids as it does exist for gases. In general, kinetic models seem to agree with experiments only if the results of the measurements are known beforehand. In Chapter 1 the Onsager symmetry relations are deduced in general. Chapter 2 gives the general phenomenological theory of liquid metals. These two chapters serve as a foundation for the remaining chapters, where the general theory is applied to sO. me cases of special physical interest. The scalar phenomena of relaxation are given in Chapter 3 for the case of nuclear magnetic resonance. Vector phenomena are discussed in Chapters 4 -6. Chapter 7 deals with viscosity effects as examples of tensor effects.
Author: Hans Knof
Publisher: Springer-Verlag
ISBN: 3663073343
Category : Science
Languages : de
Pages : 105
Get Book Here
Book Description
This book is intended to be a comprehensive survey of irreversible phenomena in liquid metals. Experiments and special theoretical consid erations can be brought into a general scheme by means of the phenome nological theory of thermodynamics of irreversible processes. In this way well-investigated phenomena such as electrolysis in liquid alloys, and new fields of research such as isotopic separation in liquid metals by action of an electrical direct current, can be given the same theo retical foundation. The goal in this book is to deduce the theory of a special phenomenon as well as to describe experiments connected with the resulting effects. On the other hand no kinetic theory is given since to date no general kinetic theory exists for liquids as it does exist for gases. In general, kinetic models seem to agree with experiments only if the results of the measurements are known beforehand. In Chapter 1 the Onsager symmetry relations are deduced in general. Chapter 2 gives the general phenomenological theory of liquid metals. These two chapters serve as a foundation for the remaining chapters, where the general theory is applied to sO. me cases of special physical interest. The scalar phenomena of relaxation are given in Chapter 3 for the case of nuclear magnetic resonance. Vector phenomena are discussed in Chapters 4 -6. Chapter 7 deals with viscosity effects as examples of tensor effects.
Author: Hans Knof
Publisher:
ISBN:
Category : Liquid metals
Languages : en
Pages : 95
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Book Description
Author: Hans Knof
Publisher:
ISBN:
Category : Irreversible processes
Languages : en
Pages : 144
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Book Description
Author: H. Knof
Publisher:
ISBN:
Category :
Languages : en
Pages : 95
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Book Description
Author: David Kirillovich Belashchenko
Publisher: Nova Science Publishers Incorporated
ISBN: 9781536131413
Category : Science
Languages : en
Pages : 556
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Book Description
Basic problems concerning the computer simulation of liquid metals in usual and extreme conditions with the use of interparticle potentials, mainly multi-particle potentials of the embedded atom model are considered in the book. The general questions of a structure of simple liquids, and the methods of simulation of non-crystalline systems (liquid and amorphous) - a method of molecular dynamics, Monte Carlo, quantum-mechanical modeling, etc. - are considered in the first five chapters. The types of interparticle potentials applied, the analysis of atomistic models, topological characteristics of liquids, and the results of modeling one-component and binary systems with the use of the simplest interparticle potentials are considered.In the second part of the book, a specification of interparticle interaction is given for 17 metals of the various groups of the periodic system with the use of the embedded atom model. Parameters of potentials under ambient pressure are found using the experimental data about properties of metal on the binodal, and for strongly compressed states via the metal properties found in Hugoniot adiabatic processes. The role of electronic terms in energy is considered in detail. Tables of the potentials are given in the Appendix. Then, thermodynamic, structural and diffusion properties of these metals in wide intervals of the pressure and temperatures are calculated (usually to hundreds of GPa and tens of thousands of Kelvin). The results of the calculations are tabulated.In the final chapters of the book, specific problems with respect to liquid metals are considered. Here, the problems of the structure and conditions in the center of the Earth, Moon and Jupiter satellites, calculations of shock adiabats, and the isotopic effect of diffusion are covered. The assessments of structure and temperature in the inner and outer cores of the Earth are given. Calculations of a series of shock adiabats for the initially porous or liquid metal samples are carried out, and questions of accuracy concerning the available experimental data are analyzed. Also, some non-classical mechanisms of liquid solidification, in particular, the cluster mechanism of solidification during strong overcooling, are discussed.The general problems of the thermodynamic description of nanoclusters are considered. The ambiguity of the use of the radius, volume, surface area and surface tension concepts for nanoclusters is shown, and a more reasonable approach is suggested. The series of nanoclusters of various sizes are constructed for several metals, and the dependence of their properties on the cluster size, including a melting temperature, are investigated. The possibility to compare the applicability of the Second Law of Thermodynamics in its usual form to the melting/solidification of nanoclusters is discussed. (Nova)
Author: Hae-geon Lee
Publisher: World Scientific Publishing Company
ISBN: 1911298895
Category : Technology & Engineering
Languages : en
Pages : 324
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Book Description
A number of thermodynamic books claiming to be original in both presentation and approach have been published. However, thermodynamics is still a confusing subject for uninitiated students and an “easy-to-forget” one for graduate engineers. In order to solve these problems, this computer aided learning package — textbook and CD-ROM — takes a new approach.This package is unique and beneficial in that it simulates a classroom lecture: it actually writes important equations and concepts on a virtual board, underlines, draws circles, places ticks to emphasise important points, draws arrows to indicate relationships, uses colours for visual effect, erases some parts to write new lines, and even repeats some parts of the lesson to stress their importance. This realistic simulation is made possible by the employment of the multimedia capabilities of the modern-day computer. Readers are not just passively presented with thermodynamics, they can also interactively select and repeat any particular topic of interest as many times as they want. This flexibility allows readers to choose their own pace of presentation. This complementary set is in many important respects better than the books that are currently available on the subject.
Author: Bernard H. Lavenda
Publisher: John Wiley & Sons
ISBN:
Category : Science
Languages : en
Pages : 208
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Book Description
Author: Rolf Haase
Publisher: Addison Wesley Publishing Company
ISBN:
Category : Business & Economics
Languages : en
Pages : 530
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Book Description
Author: Y. K. Rao
Publisher: CUP Archive
ISBN: 9780521258562
Category : Science
Languages : en
Pages : 990
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Book Description
Originally published in 1985, this textbook provides a thorough and comprehensive coverage of a wide range of topics in stoichiometry and thermodynamics with special emphasis on applications to metallurgical processes. This book will be welcomed as a text for courses in elementary and advanced thermodynamics and stoichiometry.
Author: Sybren Ruurds Groot
Publisher:
ISBN:
Category : Chemistry, Physical and theoretical
Languages : en
Pages : 138
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Book Description
