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Three D Collisional Drift Wave Turbulence Role Of Magnetic Shear
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Book Synopsis Three-D Collisional Drift Wave Turbulence, Role of Magnetic Shear by : Andreas Zeiler
Download or read book Three-D Collisional Drift Wave Turbulence, Role of Magnetic Shear written by Andreas Zeiler and published by . This book was released on 1996 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Science. Subcommittee on Energy Publisher : ISBN 13 : Total Pages :248 pages Book Rating :4.0/5 ( download)
Book Synopsis Department of Energy Office of Science--issues and Opportunities by : United States. Congress. House. Committee on Science. Subcommittee on Energy
Download or read book Department of Energy Office of Science--issues and Opportunities written by United States. Congress. House. Committee on Science. Subcommittee on Energy and published by . This book was released on 2002 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multi-scale Interaction of DriftWave Turbulence with Large Scale Shear Flows by : Christopher J. McDevitt
Download or read book Multi-scale Interaction of DriftWave Turbulence with Large Scale Shear Flows written by Christopher J. McDevitt and published by . This book was released on 2008 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multi-scale methods are utilized within the context of strongly magnetized plasmas to describe the interaction of drift wave turbulence with large scale flow structures. The specific contexts treated correspond to transport barrier formation, magnetic island evolution in the presence of drift wave turbulence, and plasma rotation. Emphasis is placed on identifying critical feedback mechanisms via the study of simple, reduced models, rather than the detailed description of isolated components of the system. In Chapter 2 a two component self-consistent model is derived to investigate a novel mechanism of transport barrier formation. It is found that intense cellular flow, driven by modulational instability of the background turbulence provides a viable candidate mechanism for triggering transport barrier formation in regimes of weak magnetic shear. Similarly, the nonlinear modification of the drift wave phase space topology by the cellular flow is investigated. The presence of a weak non-integrable perturbation in the effective Hamiltonian of the drift wave turbulence, induced by the non-axisymmetric component of the cellular flow, is found to circumvent nonlinear wave trapping as a means of quenching the secondary instability drive of the large scale flow. In Chapter 3, the interaction of a tearing mode with drift wave turbulence is discussed. Wave kinetics and adiabatic theory are utilized to treat the feedback of tearing mode flows on the drift wave turbulence. The stresses exerted by the self-consistently evolved drift wave population density on the tearing mode are calculated by mean field methods. The principal effect of the drift waves is to pump the resonant low-m mode via a negative viscosity, consistent with the classical notion of an inverse cascade in quasi 2-D turbulence. In Chapter 4, the multi-scale methods utilized above are extended to describe the transport of parallel momentum. The primarily fluid description employed above is extended to include momentum exchange between waves and resonant particles. A quasi-linear momentum conservation theorem is proven, demonstrating that the total momentum flux can be decomposed into wave and resonant particle fluxes. Quasi-linear expressions for the radial transport of parallel momentum induced both by waves and resonant particles are derived, providing a comprehensive quasi-linear description of parallel momentum transport induced by electrostatic drift wave turbulence.
Book Synopsis The Development of Collisional-Drift-Wave Turbulence by : Hans William Hendel
Download or read book The Development of Collisional-Drift-Wave Turbulence written by Hans William Hendel and published by . This book was released on 1969 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Euro Abstracts written by and published by . This book was released on 1997 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Characterization of Drift-wave Turbulence in the Sheared, Cylindrical Slab by : Kevin Michael Lee
Download or read book Experimental Characterization of Drift-wave Turbulence in the Sheared, Cylindrical Slab written by Kevin Michael Lee and published by . This book was released on 2009 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasma turbulence on a uniform density gradient with unfavorable magnetic curvature is investigated extensively in the Helimak device. The turbulence is strong with density and electrostatic potential fluctuation levels in excess of 40%. Measurements of the dispersion relation, k[subscript z], and k[subscript parallel lines] identify the the fluctuations with drift-waves, which propagate in the poloidal direction at the diamagnetic drift velocity and have a small, but nite parallel wavenumber. A non-zero phase shift between the density and potential fluctuations gives rise to turbulent cross-eld particle transport, which is measured using spectral techniques. In addition, the electrostatic drift-wave fluctuations have a small magnetic component that is driven by the turbulent parallel current [scientific symbols]. An examination of nonlinear processes associated with the plasma turbulence uncovers high levels of intermittency near the plasma edge and long-time persistence of the density fluctuations on the order of the parallel confinement time. An analysis of the bispectrum conrms the existence local and nonlocal three-wave interactions between unstable drift-waves although the turbulent saturation of the density fluctuation spectrum is likely due nonlinear processes acting in the time domain.
Download or read book Fusion Energy Update written by and published by . This book was released on 1986 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1975 with total page 1396 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1990 with total page 1044 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Three-dimensional Modelling of Drift-wave Turbulence by : Wayne Arter
Download or read book Three-dimensional Modelling of Drift-wave Turbulence written by Wayne Arter and published by . This book was released on 1992 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Physics Briefs written by and published by . This book was released on 1992 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Renormalized Theory of Drift Wave Turbulence in Sheared Magnetic Fields by : Philippe Louis Similon
Download or read book A Renormalized Theory of Drift Wave Turbulence in Sheared Magnetic Fields written by Philippe Louis Similon and published by . This book was released on 1991 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1981 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes all works deriving from DOE, other related government-sponsored information and foreign nonnuclear information.
Book Synopsis Nonlinear Instability Due to Phase-locked Nonorthogonal Eigenmodes in Electrostatic Turbulence by : Derek A. Baver
Download or read book Nonlinear Instability Due to Phase-locked Nonorthogonal Eigenmodes in Electrostatic Turbulence written by Derek A. Baver and published by . This book was released on 2003 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1978 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1996 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt: