Broken Symmetry In Ideal Magnetohydrodynamic Turbulence
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Broken Symmetry In Ideal Magnetohydrodynamic Turbulence
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Author : John V. Shebalin
language : en
Publisher:
Release Date : 1993
Broken Symmetry In Ideal Magnetohydrodynamic Turbulence written by John V. Shebalin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.
Broken Symmetry In Ideal Magnetohydrodynamic Turbulence
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-08-16
Broken Symmetry In Ideal Magnetohydrodynamic Turbulence written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-16 with categories.
A numerical study of the long-time evolution of a number of cases of inviscid, isotropic, incompressible, three-dimensional fluid, and magneto-fluid turbulence has been completed. The results confirm that ideal magnetohydrodynamic turbulence is non-ergodic if there is no external magnetic field present. This is due essentially to a canonical symmetry being broken in an arbitrary dynamical representation. The broken symmetry manifests itself as a coherent structure, i.e., a non-zero time-averaged part of the turbulent magnetic field. The coherent structure is observed, in one case, to contain about eighteen percent of the total energy. Shebalin, John V. Unspecified Center NASA-TM-109017, ICASE-93-49, NAS 1.15:109017, AD-A272673 RTOP 505-90-52-01...
Broken Symmetry In Ideal Magnetohydrodynamic Turbulence
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Author : John V. Shebalin
language : en
Publisher:
Release Date : 1993
Broken Symmetry In Ideal Magnetohydrodynamic Turbulence written by John V. Shebalin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Turbulence categories.
The Statistical Mechanics Of Ideal Homogeneous Turbulence
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Author : John V. Shebalin
language : en
Publisher:
Release Date : 2002
The Statistical Mechanics Of Ideal Homogeneous Turbulence written by John V. Shebalin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Ergodic theory categories.
Plasmas, such as those found in the space environment or in plasma confinement devices, are often modeled as electrically conducting fluids. When fluids and plasmas are energetically stirred, regions of highly nonlinear, chaotic behavior known as turbulence arise. Understanding the fundamental nature of turbulence is a long-standing theoretical challenge. The present work describes a statistical theory concerning a certain class of nonlinear, finite dimensional, dynamical models of turbulence. These models arise when the partial differential equations describing incompressible, ideal (i.e., non-dissipative) homogeneous fluid and magnetofluid (i.e., plasma) turbulence are Fourier transformed into a very large set of ordinary differential equations. These equations define a divergenceless flow in a high-dimensional phase space, which allows for the existence of a Lionville theorem, guaranteeing a distribution function based on constants of the motion (integral invariants).
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.
Nasa Technical Memorandum
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Author :
language : en
Publisher:
Release Date : 1963
Nasa Technical Memorandum written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Aeronautics categories.
Turbulence And Nonlinear Processes In Astrophysical Plasmas
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Author : Dastgeer Shaikh
language : en
Publisher: American Institute of Physics
Release Date : 2007-09-27
Turbulence And Nonlinear Processes In Astrophysical Plasmas written by Dastgeer Shaikh and has been published by American Institute of Physics this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-09-27 with Science categories.
This book contains the peer-reviewed papers presented at the Sixth Annual International Astrophysics Conference. This conference brought together a range of topics that shed light on our understanding and status of turbulence and nonlinear processes in astrophysical plasmas. Coverage in this volume includes turbulent relaxation in laboratory and space plasmas and its application to coronal flux tubes, coronal heating, and the diffusion of energetic particles.
Magnetohydrodynamic Turbulence
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Author : Dieter Biskamp
language : en
Publisher: Cambridge University Press
Release Date : 2003-07-31
Magnetohydrodynamic Turbulence written by Dieter Biskamp and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-07-31 with Science categories.
This book presents an introduction to, and modern account of, magnetohydrodynamic (MHD) turbulence, an active field both in general turbulence theory and in various areas of astrophysics. The book starts by introducing the MHD equations, certain useful approximations and the transition to turbulence. The second part of the book covers incompressible MHD turbulence, the macroscopic aspects connected with the different self-organization processes, the phenomenology of the turbulence spectra, two-point closure theory, and intermittency. The third considers two-dimensional turbulence and compressible (in particular, supersonic) turbulence. Because of the similarities in the theoretical approach, these chapters start with a brief account of the corresponding methods developed in hydrodynamic turbulence. The final part of the book is devoted to astrophysical applications: turbulence in the solar wind, in accretion disks, and in the interstellar medium. This book is suitable for graduate students and researchers working in turbulence theory, plasma physics and astrophysics.
Nonlinear Mhd Waves And Turbulence
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Author : Thierry Passot
language : en
Publisher: Springer
Release Date : 2008-01-11
Nonlinear Mhd Waves And Turbulence written by Thierry Passot and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-01-11 with Science categories.
The workshop "Nonhnear MHD Waves and Turbulence" was held at the - servatoire de Nice, December 1-4, 1998 and brought together an international group of experts in plasma physics, fluid dynamics and applied mathematics. The aim of the meeting was to survey the current knowledge on two main topics: (i) propagation of plasma waves (like Alfven, whistler or ion-acoustic waves), their instabilities and the development of a nonlinear dynamics lea ding to solitonic structures, wave collapse or weak turbulence; (ii) turbulence in magnetohydrodynamic flows and its reduced description in the presence of a strong ambient magnetic fleld. As is well known, both aspects play an important role in various geophysical or astrophysical media such as the - gnetospheres of planets, the heliosphere, the solar wind, the solar corona, the interplanetary and interstellar media, etc. This volume, which includes expanded versions of oral contributions pre sented at this meeting, should be of interest for a large community of resear chers in space plasmas and nonlinear sciences. Special effort was made to put the new results into perspective and to provide a detailed literature review. A main motivation was the attempt to relate more closely the theoretical un derstanding of MHD waves and turbulence (both weak and strong) with the most recent observations in space plasmas. Some papers also bring interesting new insights into the evolution of hydrodynamic or magnetohydrodynamic structures, based on systematic asymptotic methods.
Discrete And Continuous Dynamical Systems
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Author :
language : en
Publisher:
Release Date : 2005
Discrete And Continuous Dynamical Systems written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Differentiable dynamical systems categories.