Feedback Control and Stabilization Experiments on the Texas Experimental Tokamak (TEXT).

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Total Pages : 17 pages
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Book Synopsis Feedback Control and Stabilization Experiments on the Texas Experimental Tokamak (TEXT). by :

Download or read book Feedback Control and Stabilization Experiments on the Texas Experimental Tokamak (TEXT). written by and published by . This book was released on 1994 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasma edge feedback experiments on the Texas Experimental Tokamak (TEXT) have been successful in controlling the edge plasma potential fluctuation level. The feedback wave-launcher, consisting of electrostatic probes located in the shadow of the limiter, is driven by the local edge potential fluctuations. In general, the edge potential fluctuations are modified in a broad frequency band. Moreover, it is observed that the potential fluctuations can be reduced ((less-than or equal to)100 kHz) without enhancing other modes, or excited (10 to 12 kHz), depending on the phase difference between the driver and the launcher signal, and gain of the system. This turbulence modification is achieved not only locally but also halfway around the torus and has about 2 cm of poloidal extent. Experiments on the characterization of the global plasma parameters with the edge feedback are discussed. Effects of the edge feedback on the estimated fluctuation-induced radial particle flux as well as on the local plasma parameters are presented.

Energy Research Abstracts

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ISBN 13 :
Total Pages : 782 pages
Book Rating : 4.3/5 (129 download)

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Download or read book Energy Research Abstracts written by and published by . This book was released on 1995 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

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ISBN 13 :
Total Pages : 700 pages
Book Rating : 4.3/5 (91 download)

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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 700 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

Government Reports Announcements & Index

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ISBN 13 :
Total Pages : 1166 pages
Book Rating : 4.:/5 (89 download)

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Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1995 with total page 1166 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Active Probing of Plasma Edge Turbulence and Feedback Studies on the Texas Experimental Tokamak (TEXT).

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

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Book Synopsis Active Probing of Plasma Edge Turbulence and Feedback Studies on the Texas Experimental Tokamak (TEXT). by :

Download or read book Active Probing of Plasma Edge Turbulence and Feedback Studies on the Texas Experimental Tokamak (TEXT). written by and published by . This book was released on 1993 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The edge fluctuations play a critical role in the overall tokamak confinement. Experiments on TEXT show that electrostatic fluctuations in the edge plasma are the dominant mechanism for energy and particle transport. The basic mechanisms responsible for the edge turbulence are the subject of ongoing research in fusion devices. To understand the driving forces responsible for edge fluctuations, a novel experiment is underway on TEXT to actively modify the turbulence at the plasma edge by launching waves using electrostatic probes in the shadow of the limiter. This technique permits active probing of the spectral properties of the edge turbulence. This new approach to the study of edge fluctuations can provide more insight into the basic dynamics of the turbulence and may, in turn, enable detailed comparison with the theory. These experiments, which rely on the use of oscillating electric fields at the plasma edge, complement edge fluctuation control studies that are presently limited to the use of applied dc biasing to influence the edge electric field profile. These experiments have been extended to control of the edge plasma fluctuation level, using feedback to explore its effects on the edge turbulence characteristics as well as on confinement.

Design of the plasma density feedback control system on the Texas Experimental Tokamak

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ISBN 13 :
Total Pages : 284 pages
Book Rating : 4.:/5 (269 download)

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Book Synopsis Design of the plasma density feedback control system on the Texas Experimental Tokamak by : Yu-Fai Wong

Download or read book Design of the plasma density feedback control system on the Texas Experimental Tokamak written by Yu-Fai Wong and published by . This book was released on 1991 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fusion Energy Update

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ISBN 13 :
Total Pages : 310 pages
Book Rating : 4.3/5 (91 download)

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Download or read book Fusion Energy Update written by and published by . This book was released on 1978 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Department of Energy's FY 1997 Budget Request for the Office of Energy Research (OER)

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ISBN 13 :
Total Pages : 1348 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis The Department of Energy's FY 1997 Budget Request for the Office of Energy Research (OER) by : United States. Congress. House. Committee on Science. Subcommittee on Energy and Environment

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Metals Abstracts

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Total Pages : 1628 pages
Book Rating : 4.:/5 (319 download)

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Download or read book Metals Abstracts written by and published by . This book was released on 1996 with total page 1628 pages. Available in PDF, EPUB and Kindle. Book excerpt:

International Fusion Energy Act of 1993

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ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis International Fusion Energy Act of 1993 by : United States. Congress. Senate. Committee on Energy and Natural Resources

Download or read book International Fusion Energy Act of 1993 written by United States. Congress. Senate. Committee on Energy and Natural Resources and published by . This book was released on 1993 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: Distributed to some depository libraries in microfiche.

Non-linear Control of the Plasma Vertical Position in a Tokamak

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ISBN 13 :
Total Pages : 446 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Non-linear Control of the Plasma Vertical Position in a Tokamak by : Luigi Scibile

Download or read book Non-linear Control of the Plasma Vertical Position in a Tokamak written by Luigi Scibile and published by . This book was released on 1997 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Management

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ISBN 13 :
Total Pages : 732 pages
Book Rating : 4.3/5 ( download)

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Book Synopsis Management by :

Download or read book Management written by and published by . This book was released on 1978 with total page 732 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy: a Continuing Bibliography with Indexes

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ISBN 13 :
Total Pages : 890 pages
Book Rating : 4.3/5 (91 download)

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Download or read book Energy: a Continuing Bibliography with Indexes written by and published by . This book was released on 1979 with total page 890 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Conference Papers Index

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ISBN 13 :
Total Pages : 1198 pages
Book Rating : 4.3/5 (91 download)

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Download or read book Conference Papers Index written by and published by . This book was released on 1980 with total page 1198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Monthly. Papers presented at recent meeting held all over the world by scientific, technical, engineering and medical groups. Sources are meeting programs and abstract publications, as well as questionnaires. Arranged under 17 subject sections, 7 of direct interest to the life scientist. Full programs of meetings listed under sections. Entry gives citation number, paper title, name, mailing address, and any ordering number assigned. Quarterly and annual indexes to subjects, authors, and programs (not available in monthly issues).

Texas Experimental Tokamak

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ISBN 13 :
Total Pages : 89 pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis Texas Experimental Tokamak by :

Download or read book Texas Experimental Tokamak written by and published by . This book was released on 1993 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: This progress report covers the period from November 1, 1990 to April 30, 1993. During that period, TEXT was operated as a circular tokamak with a material limiter. It was devoted to the study of basic plasma physics, in particular to study of fluctuations, turbulence, and transport. The purpose is to operate and maintain TEXT Upgrade as a complete facility for applied tokamak physics, specifically to conduct a research program under the following main headings: (1) to elucidate the mechanisms of working gas, impurity, and thermal transport in tokamaks, in particular to understand the role of turbulence; (2) to study physics of the edge plasma, in particular the turbulence; (3) to study the physics or resonant magnetic fields (ergodic magnetic divertors, intra island pumping); and (4) to study the physics of electron cyclotron heating (ECRH). Results of studies in each of these areas are reported.

TEXAS EXPERIMENTAL TOKAMAK.

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Total Pages : pages
Book Rating : 4.:/5 (898 download)

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Book Synopsis TEXAS EXPERIMENTAL TOKAMAK. by : A.J. WOOTTON.

Download or read book TEXAS EXPERIMENTAL TOKAMAK. written by A.J. WOOTTON. and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Physics Briefs

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ISBN 13 :
Total Pages : 812 pages
Book Rating : 4.3/5 (91 download)

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Download or read book Physics Briefs written by and published by . This book was released on 1992 with total page 812 pages. Available in PDF, EPUB and Kindle. Book excerpt: