Diagnostics for Neutral-beam-heated Tokamaks PDF Download
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Languages : en
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Book Description
Diagnostic techniques for neutral-beam-heated tokamak plasmas fall into three categories: (1) magnetic diagnostics for measurements of gross stored energy, (2) profile diagnostics for measurements of stored thermal and beam energy, impurity content and plasma rotation, and (3) fast time resolution diagnostics to study MHD fluctuations and micro-turbulence.
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Category :
Languages : en
Pages :
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Book Description
Diagnostic techniques for neutral-beam-heated tokamak plasmas fall into three categories: (1) magnetic diagnostics for measurements of gross stored energy, (2) profile diagnostics for measurements of stored thermal and beam energy, impurity content and plasma rotation, and (3) fast time resolution diagnostics to study MHD fluctuations and micro-turbulence.
Author: Robert J. Goldston
Publisher:
ISBN:
Category :
Languages : en
Pages : 47
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Book Description
Author: Princeton University. Plasma Physics Laboratory
Publisher:
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Category : Nuclear reactors
Languages : en
Pages : 8
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Book Description
Author: David Herman Bluestein
Publisher:
ISBN:
Category : Neutral beams
Languages : en
Pages : 110
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Book Description
Author: J. E. Goldston
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Category : Charge exchange
Languages : en
Pages : 6
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Book Description
Author: V. I. Davydenko
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Category :
Languages : en
Pages : 11
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Book Description
Author:
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Category : Controlled fusion
Languages : en
Pages : 100
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Author:
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Category : Emission spectroscopy
Languages : en
Pages : 10
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Book Description
Author:
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Category :
Languages : en
Pages :
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Book Description
Beams of neutral hydrogen atoms have found a number of uses in the diagnosis of hot plasmas. In the most straightforward application, neutral beams have been used to determine plasma line density, based on simple attenuation measurements. This technique has been applied most intensively recently to the study of beam-injected mirror plasmas. Neutral beams have also now been used in a number of tokamaks to supply a local increase of the neutral atom target density for charge exchange. By directing a time-modulated neutral beam across the sight-line of a charge-exchange analyzer, and measuring the modulated neutral particle efflux from the plasma, local measurements of the ion energy distribution function can be made. If a modulated diagnostic neutral beam is directed across the sight-line of an ultra-violet spectrometer, one can also make measurements of the local densities and possibly velocity distributions of fully stripped impurities. The fast hydrogen neutrals charge exchange with fully stripped impurities in the plasma, leaving the impurities in excited hydrogen-like states. In their prompt radiative decay the impurity ions emit characteristic uv lines, which can be detected easily.
Author: E. Sindoni
Publisher: Elsevier
ISBN: 1483280500
Category : Technology & Engineering
Languages : en
Pages : 722
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Book Description
Diagnostics for Fusion Experiments provides information pertinent to the fundamental aspects of plasma physics. This book presents the requirement in measuring electron and ion temperatures at the multi-key level. Organized into four parts encompassing 36 chapters, this book begins with an overview of the principles and methods by which analysis of the fast neutrals obtained by charge exchange in the plasma volume can be utilized to obtain the plasma ion temperature. This text then examines the use of active particle beam systems in plasma diagnostics. Other chapters consider the source function for production of fast neutrals in Tokamak plasma. This book discusses as well the special diagnostic needs of mirror machines, with focus on diagnostics involving the higher-power neutral beams used with them. The final chapter deals with the standard mirror fission-fusion hybrid, tandem mirror, and the field-reversed mirror. This book is a valuable resource for experimental physicists and research workers.
