Download or read book Propagation of Hydromagnetic Waves in a Stochastic Magnetic Field written by George C. Valley and published by . This book was released on 1971 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hydromagnetic Wave Propagation in a Constant Dipole Magnetic Field written by John Carstoiu and published by . This book was released on 1962 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hydromagnetic Waves written by Henry R. Radoski and published by . This book was released on 1976 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Stochastic Equations Theory and Applications in Acoustics Hydrodynamics Magnetohydrodynamics and Radiophysics Volume 2 written by Valery I. Klyatskin and published by Springer. This book was released on 2014-07-14 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: In some cases, certain coherent structures can exist in stochastic dynamic systems almost in every particular realization of random parameters describing these systems. Dynamic localization in one-dimensional dynamic systems, vortexgenesis (vortex production) in hydrodynamic flows, and phenomenon of clustering of various fields in random media (i.e., appearance of small regions with enhanced content of the field against the nearly vanishing background of this field in the remaining portion of space) are examples of such structure formation. The general methodology presented in Volume 1 is used in Volume 2 Coherent Phenomena in Stochastic Dynamic Systems to expound the theory of these phenomena in some specific fields of stochastic science, among which are hydrodynamics, magnetohydrodynamics, acoustics, optics, and radiophysics. The material of this volume includes particle and field clustering in the cases of scalar (density field) and vector (magnetic field) passive tracers in a random velocity field, dynamic localization of plane waves in layered random media, as well as monochromatic wave propagation and caustic structure formation in random media in terms of the scalar parabolic equation.
Download or read book Hydromagnetic and Radio Wave Propagation in the Magnetosphere Along a Field aligned Plasma Stratum written by Nicholas Gothárd and published by . This book was released on 1965 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Spectrum of Hydromagnetic Waves in the Exosphere written by Gordon James MacDonald and published by . This book was released on 1962 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: A disturbance in the exosphere generates waves in three partially separable modes. These modes are described by considering the vorticity about a line of force, the two-dimensional divergence of velocity in the plane perpendicular to the line of force, and the component of velocity along the line of force. The propagation of vorticity is one-dimensional and there is no geometrical attenuation; energy is lost only through the finite conductivity of the medium. The propagation of the longitudinal velocity component is almost one-dimensional but is heavily damped at high frequencies. In a gravitational field, the medium is no longer uniform and at low frequencies the modes are coupled in a complicated way. For parallel magnetic and gravitational fields, the vorticity mode is still separable and gravity leads to anisotropic dispersion in the other modes.-p.i.
Download or read book Spectrum of Hydromagnetic Waves in the Exosphere written by Gordon J. F. MacDonald and published by . This book was released on 1962 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: A disturbance in the exosphere generates waves in three partially separable modes. These modes are described by considering the vorticity about a line of force, the two-dimensional divergence of velocity in the plane perpendicular to the line of force, and the component of velocity along the line of force. The propagation of vorticity is one-dimensional and there is no geometrical attenuation; energy is lost only through the finite conductivity of the medium. The propagation of the longitudinal velocity component is almost one-dimensional but is heavily damped at high frequencies. In a gravitational field, the medium is no longer uniform and at low frequencies the modes are coupled in a complicated way. For parallel magnetic and gravitational fields, the vorticity mode is still separable and gravity leads to anisotropic dispersion in the other modes.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976-05 with total page 912 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Theoretical Research on Hydromagnetic Wave Propagation written by SYLVANIA ELECTRIC PRODUCTS INC WALTHAM MASS. and published by . This book was released on 1962 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt: The elementary theory of hydromagnetic waves in an inviscid incompressible, perfectly conducting fluid of infinite extent, embedded in a uniform magnetic field, indicates their propagation is purely one-dimensional, along the magnetic lines of force, and hence without attenuation. The object is to investigate how t is property is modified by the effects of compressibility, finite electric l con uctivity, viscosity, and the combined effects of finite electrical conductivity and viscosity. Complexities are introduced one by one. The disturbance is specified in terms of vorticity and current density. It appears that the compressibility of a medium acts as a wave filter discriminating between components of vorticity and passing only those directed along the magnetic field. Dissip tive effects introduce great mathematical difficulties. The partial differential equations governing these phenomena are of mixed type: hyperbolic-parabolic, and this indicates that the disturbances diffuse outward as they travel along magnetic lines of force. Th symmetrical role played in these equations by the coefficients of kinematic viscosity and magnetic viscosity is outlined. Some mathematical analogi s between magnetohydrodynamics and ordinary hydrodynamics are studied. Weber's transformation is extended to he potential vector of electrodynamics and the equation for the magnetic field is integrated in terms of Lagrangian variables of hydrodynamics. (Author).
Download or read book Wave Propagation in Electromagnetic Media written by Julian L. Davis and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 303 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the second work of a set of two volumes on the phenomena of wave propagation in nonreacting and reacting media. The first, entitled Wave Propagation in Solids and Fluids (published by Springer-Verlag in 1988), deals with wave phenomena in nonreacting media (solids and fluids). This book is concerned with wave propagation in reacting media-specifically, in electro magnetic materials. Since these volumes were designed to be relatively self contained, we have taken the liberty of adapting some of the pertinent material, especially in the theory of hyperbolic partial differential equations (concerned with electromagnetic wave propagation), variational methods, and Hamilton-Jacobi theory, to the phenomena of electromagnetic waves. The purpose of this volume is similar to that of the first, except that here we are dealing with electromagnetic waves. We attempt to present a clear and systematic account of the mathematical methods of wave phenomena in electromagnetic materials that will be readily accessible to physicists and engineers. The emphasis is on developing the necessary mathematical tech niques, and on showing how these methods of mathematical physics can be effective in unifying the physics of wave propagation in electromagnetic media. Chapter 1 presents the theory of time-varying electromagnetic fields, which involves a discussion of Faraday's laws, Maxwell's equations, and their appli cations to electromagnetic wave propagation under a variety of conditions.
Download or read book Hydromagnetic Wave Propagation Near 1 C s in the Upper Atmosphere and the Properties and Interpretation of Pc 1 Micropulsations written by John Alexander Dawson and published by . This book was released on 1966 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hydromagnetic wave propagation and theoretical power spectra written by Ti-Shu Li and published by . This book was released on 1964 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt: By assuming that only two modes of propagation (ordinary and extraordinary) exist in a partially ionized medium, one may investigate the complicated behavior of hydromagnetic waves propagat ing in the ionosphere. The Booker Quartic is derived from the general dispersion relation subjected to coordinate transformations. The boundary equations are established and transformed into matrix equations which are used to relate an input wave in the upper ionosphere to the output at the earth. A stratified ionosphere and a dipolar magnetic field are used in the physical model in this report. A constant Hz field is assumed as the incident wave at an altitude of 2000 km. The output power density at the earth's surface is calculated and presented as theoretical power spectrum. The computer program is written so that the theoretical power spectrums produced by input waves incident at any angle with respect to either the input strata or the earth's magnetic field may be computed. (Author).
Download or read book Magnetohydrodynamics Waves and Shock Waves in Curved Space Time written by A. Lichnerowicz and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: For seventy years, we have known that Einstein's theory is essentially a theory of propagation of waves for the gravitational field. Confusion enters, however, through the fact that the word wave, in physics, implies sometimes repetition and sometimes not. This confusion is often increased by he use of Fourier transforms, by which a disturbanse which appears to be without repetition is resolved into periodic wave-trains with all frequencies. But, in a general curved space-time, we have nothing corresponding to Fourier transforms. Here, we consider systematically waves corresponding to the propagation of discontinuities of physical quantities describing either fields (essentially electromagnetic fields and gravitational field), or the motion of a fluid, or together, in magnetohydrodynamics, the changes in time of a field and of a fluid. The main equations, for the different studied phenomena, constitute a hyperbolic system and the study of a formal Cauchy problem is possible. We call ordinary waves the case in which the derivative of superior order appearing in the system are discontinuous at the traverse of a hypersurface, the wave front ; we call shock waves the case where the derivatives of an order inferior by one are discontinuous at the traverse of a wave front. XI xii PREFACE From 1950, many well-known scientits (Taub, Synge, Choquet-B ruhat, etc.) have studied the corresponding equations for different physical phenomena : systems associated to the electromagnetic and gravitational fields, to hydrodynamics and to magnetohydrodynamics.
Download or read book NASA Reference Publication written by and published by . This book was released on 1977 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Stochastic Electromagnetic Image Propagation written by Robert Michael Manning and published by McGraw-Hill Companies. This book was released on 1993 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Some Problems in Hydromagnetics written by K. P. Chopra and published by . This book was released on 1959 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Non linear Wave Propagation written by Alan Jeffrey and published by . This book was released on 1964 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
