Author: Roy M. Gundersen
Publisher: Springer Science & Business Media
ISBN: 3642460054
Category : Technology & Engineering
Languages : en
Pages : 144
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Magnetohydrodynamics is concerned with the motion of electrically conducting fluids in the presence of electric or magnetic fields. Un fortunately, the subject has a rather poorly developed experimental basis and because of the difficulties inherent in carrying out controlled laboratory experiments, the theoretical developments, in large measure, have been concerned with finding solutions to rather idealized problems. This lack of experimental basis need not become, however, a multi megohm impedance in the line of progress in the development of a satisfactory scientific theory. While it is true that ultimately a scientific theory must agree with and, in actuality, predict physical phenomena with a reasonable degree of accuracy, such a theory must be sanctioned by its mathematical validity and consistency. Physical phenomena may be expressed precisely and quite comprehensively through the use of differential equations, and the equations formulated by LUNDQUIST and discussed by FRIEDRICHS belong to a class of equations particularly well-understood and extensively studied. This class includes, in fact, many other eminent members, the solutions of which have led to results of far-reaching scientific and technological application. Frequently, the mathematical analysis has provided the foundations and guidance necessary for further developments, and, reciprocally, the physical problems have provided, in many cases, the impetus for the development of new mathematical theories which often have evolved to an a priori unpredictable extent.
Author: Philip Franklin
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author:
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ISBN:
Category : Magnetohydrodynamics
Languages : en
Pages :
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Author: Roy M. Gundersen
Publisher:
ISBN:
Category :
Languages : en
Pages : 119
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Author: George Walter Sutton
Publisher:
ISBN:
Category : Magnetohydrodynamics
Languages : en
Pages : 11
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The quasi one-dimensional compressible flow equations for a magnetohydrodynamic power generator were analyzed for one-dimensional instabilities by means of linearized perturbations. The gas was assumed to be ideally compressible, inviscid, nonheat-conducting, with an electrical conductivity that depends on local temperature. The results indicate that large instabilities cannot exist, confirming the previous approximate results of Wright and refuting the original claims of Velikhov. (Author).
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 264
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Author: Library of Congress. Copyright Office
Publisher: Copyright Office, Library of Congress
ISBN:
Category : Copyright
Languages : en
Pages : 1380
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Includes Part 1, Number 1: Books and Pamphlets, Including Serials and Contributions to Periodicals (January - June)
Author:
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Category : Nuclear energy
Languages : en
Pages : 1058
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Author: W. Noll
Publisher: Springer Science & Business Media
ISBN: 3642658172
Category : Science
Languages : en
Pages : 330
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German scholars, against odds now not only forgotten but also hard to imagine, were striving to revivify the life of the mind which the mental and physical barbarity preached and practised by the -isms and -acies of 1933-1946 had all but eradicated. Thinking that among the disciples of these elders, restorers rather than progressives, I might find a student or two who would wish to master new mathematics but grasp it and use it with the wholeness of earlier times, in 1952 I wrote to Mr. HAMEL, one of the few then remaining mathematicians from the classical mould, to ask him to name some young men fit to study for the doc torate in The Graduate Institute for Applied Mathematics at Indiana University, flourishing at that time though soon to be destroyed by the jealous ambition of the local, stereotyped pure. Having just retired from the Technische Universitat in Charlottenburg, he passed my inquiry on to Mr. SZABO, in whose institute there NOLL was then an assistant. Although Mr.
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Category : Aeronautics
Languages : en
Pages : 1074
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