Turbulence Trigger for Neoclassical Tearing Modes in Tokamaks

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Total Pages : 27 pages
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Book Synopsis Turbulence Trigger for Neoclassical Tearing Modes in Tokamaks by : Sanae-I. Itoh

Download or read book Turbulence Trigger for Neoclassical Tearing Modes in Tokamaks written by Sanae-I. Itoh and published by . This book was released on 2003 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Novel Turbulence Trigger for Neoclassical Tearing Modes in Tokamaks

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ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (249 download)

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Book Synopsis A Novel Turbulence Trigger for Neoclassical Tearing Modes in Tokamaks by : Sanae-I. Itoh

Download or read book A Novel Turbulence Trigger for Neoclassical Tearing Modes in Tokamaks written by Sanae-I. Itoh and published by . This book was released on 2003 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mode Coupling Trigger of Neoclassical Magnetohydrodynamic Tearing Modes in Tokamaks

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Book Synopsis Mode Coupling Trigger of Neoclassical Magnetohydrodynamic Tearing Modes in Tokamaks by :

Download or read book Mode Coupling Trigger of Neoclassical Magnetohydrodynamic Tearing Modes in Tokamaks written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical studies of the nonlinear evolution of coupled magnetohydrodynamic - type tearing modes in three-dimensional toroidal geometry with neoclassical effects are presented. The inclusion of neoclassical physics introduces an additional free-energy source for the nonlinear formation of magnetic islands through the effects of a bootstrap current in Ohm's law. The neoclassical tearing mode is demonstrated to be destabilized in plasmas which are otherwise[Delta][prime] stable, albeit once a threshold island width is exceeded. A possible mechanism for exceeding or eliminating this threshold condition is demonstrated based on mode coupling due to toroidicity with a pre-existing instability at the q= 1 surface.

Neoclassical Tearing Modes in a Tokamak

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Total Pages : 13 pages
Book Rating : 4.:/5 (829 download)

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Book Synopsis Neoclassical Tearing Modes in a Tokamak by : T. S. Hahm

Download or read book Neoclassical Tearing Modes in a Tokamak written by T. S. Hahm and published by . This book was released on 1988 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Computational Modeling of Neoclassical and Resistive MHD Tearing Modes in Tokamaks

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ISBN 13 :
Total Pages : 316 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Computational Modeling of Neoclassical and Resistive MHD Tearing Modes in Tokamaks by : Thomas A. Gianakon

Download or read book Computational Modeling of Neoclassical and Resistive MHD Tearing Modes in Tokamaks written by Thomas A. Gianakon and published by . This book was released on 1996 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Modelling Neoclassical Tearing Modes in Tokamak Plasmas

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Total Pages : pages
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Book Synopsis Modelling Neoclassical Tearing Modes in Tokamak Plasmas by : Aleksandra Dudkovskaia

Download or read book Modelling Neoclassical Tearing Modes in Tokamak Plasmas written by Aleksandra Dudkovskaia and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Turbulent Stabilization of the Tearing Mode in Tokamak Plasmas

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Total Pages : 62 pages
Book Rating : 4.:/5 (133 download)

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Book Synopsis Turbulent Stabilization of the Tearing Mode in Tokamak Plasmas by : E. Esarey

Download or read book Turbulent Stabilization of the Tearing Mode in Tokamak Plasmas written by E. Esarey and published by . This book was released on 1985 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Neoclassical Tearing Modes in Tokamak Fusion Test Reactor Experiments Part I. Measurements of Magnetic Islands and Delta

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Total Pages : 33 pages
Book Rating : 4.:/5 (713 download)

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Book Synopsis Neoclassical Tearing Modes in Tokamak Fusion Test Reactor Experiments Part I. Measurements of Magnetic Islands and Delta by : Zuoyang Chang

Download or read book Neoclassical Tearing Modes in Tokamak Fusion Test Reactor Experiments Part I. Measurements of Magnetic Islands and Delta written by Zuoyang Chang and published by . This book was released on 1997 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Tokamak Fluidlike Equations, with Applications to Turbulence and Transport in H Mode Discharges

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Total Pages : 14 pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis Tokamak Fluidlike Equations, with Applications to Turbulence and Transport in H Mode Discharges by :

Download or read book Tokamak Fluidlike Equations, with Applications to Turbulence and Transport in H Mode Discharges written by and published by . This book was released on 1990 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Significant progress has been made in developing tokamak fluidlike equations which are valid in all collisionality regimes in toroidal devices, and their applications to turbulence and transport in tokamaks. The areas highlighted in this paper include: the rigorous derivation of tokamak fluidlike equations via a generalized Chapman-Enskog procedure in various collisionality regimes and on various time scales; their application to collisionless and collisional drift wave models in a sheared slab geometry; applications to neoclassical drift wave turbulence; i.e. neoclassical ion-temperature-gradient-driven turbulence and neoclassical electron-drift-wave turbulence; applications to neoclassical bootstrap-current-driven turbulence; numerical simulation of nonlinear bootstrap-current-driven turbulence and tearing mode turbulence; transport in Hot-Ion H mode discharges. 20 refs., 3 figs.

Computational Modeling of Neoclassical and Resistive MHD Tearing Modes in Tokamaks

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ISBN 13 :
Total Pages : 43 pages
Book Rating : 4.:/5 (873 download)

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Book Synopsis Computational Modeling of Neoclassical and Resistive MHD Tearing Modes in Tokamaks by :

Download or read book Computational Modeling of Neoclassical and Resistive MHD Tearing Modes in Tokamaks written by and published by . This book was released on 1996 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Triggering of Neo-classical Tearing Modes by Mode Coupling

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Total Pages : pages
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Book Synopsis Triggering of Neo-classical Tearing Modes by Mode Coupling by :

Download or read book Triggering of Neo-classical Tearing Modes by Mode Coupling written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Neoclassical Tearing Modes in Tokamak Fusion Test Reactor Experiments Part I. Measurements of Magnetic Islands and Delta Prime

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ISBN 13 :
Total Pages : 33 pages
Book Rating : 4.:/5 (683 download)

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Book Synopsis Neoclassical Tearing Modes in Tokamak Fusion Test Reactor Experiments Part I. Measurements of Magnetic Islands and Delta Prime by :

Download or read book Neoclassical Tearing Modes in Tokamak Fusion Test Reactor Experiments Part I. Measurements of Magnetic Islands and Delta Prime written by and published by . This book was released on 1997 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tearing type modes are observed in most high-confinement operation regimes in TFTR. Three different methods are used to measure the magnetic island widths: external magnetic coils, internal temperature fluctuation from electron cyclotron emission (ECE) diagnostic and an experiment where the plasma major radius is rapidly shifted ('Jog' experiments). A good agreement between the three methods is observed. Numerical and analytic calculations of delta prime (the tearing instability index) are compared with an experimental measurement of delta prime using the tearing mode eigenfunction mapped from the Jog data. The obtained negative delta prime indicates that the observed tearing modes cannot be explained by the classical current-gradient-driven tearing theory.

Neoclassical Tearing Modes in a Tokamak

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Total Pages : pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis Neoclassical Tearing Modes in a Tokamak by :

Download or read book Neoclassical Tearing Modes in a Tokamak written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Linear tearing instability is studied in the banana collisionality regime in tokamak geometry. Neoclassical effects produce significant modifications of Ohm's law and the vorticity equation so that the growth rate of tearing modes driven by .delta.' is dramatically reduced compared to the usual resistive MHD value. Consequences of this result, regarding the presence of pressure-gradient-driven neoclassical resistive interchange instabilities and the evolution of magnetic islands in the Rutherford regime, are discussed. 10 refs.

Neoclassical Tearing Modes in Tokamak Fusion Test Reactor Experiments Part 1. Measurements of Magnetic Islands and Delta Prime

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Book Synopsis Neoclassical Tearing Modes in Tokamak Fusion Test Reactor Experiments Part 1. Measurements of Magnetic Islands and Delta Prime by :

Download or read book Neoclassical Tearing Modes in Tokamak Fusion Test Reactor Experiments Part 1. Measurements of Magnetic Islands and Delta Prime written by and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Tearing-type modes are observed in most high-confinement operation regimes in TFTR. Three different methods are used to measure the magnetic island widths: external magnetic coils, internal temperature fluctuation from the electron cyclotron emission (ECE) diagnostic, and an experiment where the plasma major radius is rapidly shifted ("Jog" experiments). A good agreement between the three methods is observed. Numerical and analytic calculations of delta prime (the tearing instability index) are compared with an experimental measurement of delta prime using the tearing-mode eigenfunction mapped from the jog data. The obtained negative delta prime indicates that the observed tearing modes cannot be explained by the classical current-gradient-driven tearing theory.

Experimental Studies of Neoclassical Tearing Modes on the MAST Spherical Tokamak

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Total Pages : 0 pages
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Book Synopsis Experimental Studies of Neoclassical Tearing Modes on the MAST Spherical Tokamak by : Jack Snape

Download or read book Experimental Studies of Neoclassical Tearing Modes on the MAST Spherical Tokamak written by Jack Snape and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Triggering of Neo-classical Tearing Modes by Mode Coupling

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Total Pages : pages
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Book Synopsis Triggering of Neo-classical Tearing Modes by Mode Coupling by : M. F. F. Nave

Download or read book Triggering of Neo-classical Tearing Modes by Mode Coupling written by M. F. F. Nave and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Stabilization of the Tearing Mode in Low Density Tokamak Plasmas by Turbulent Electron Diffusion

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Total Pages : 14 pages
Book Rating : 4.:/5 (13 download)

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Book Synopsis Stabilization of the Tearing Mode in Low Density Tokamak Plasmas by Turbulent Electron Diffusion by : E. Esarey

Download or read book Stabilization of the Tearing Mode in Low Density Tokamak Plasmas by Turbulent Electron Diffusion written by E. Esarey and published by . This book was released on 1982 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: