Operation of the TFTR Pellet Charge Exchange Diagnostic in the Pulse Counting Mode During H+ RF-minority Heating PDF Download
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Author: S. S. Medley
Publisher:
ISBN:
Category : Charge exchange
Languages : en
Pages : 12
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Book Description
Author: S. S. Medley
Publisher:
ISBN:
Category : Charge exchange
Languages : en
Pages : 12
Get Book Here
Book Description
Author: S. S. Medley
Publisher:
ISBN:
Category : Charge exchange
Languages : en
Pages : 12
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 31
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Book Description
Radially-resolved energy and density distributions of the energetic confined alpha particles in D-T experiments on TFTR are being measured by active neutral particle analysis using low-Z impurity pellet injection. When injected into a high temperature plasma, an impurity pellet (e.g. Lithium or Boron) rapidly ablates forming an elongated cloud which is aligned with the magnetic field and moves with the pellet. This ablation cloud provides a dense target with which the alpha particles produced in D-T fusion reactions can charge exchange. A small fraction of the alpha particles incident on the pellet ablation cloud will be converted to helium neutrals whose energy is essentially unchanged by the charge transfer process. By measuring the resultant helium neutrals escaping from the plasma using a mass and energy resolving charge exchange analyzer, this technique offers a direct measurement of the energy distribution of the incident high-energy alpha particles. Other energetic ion species can be detected as well, such as tritons generated in D-D plasmas and H or He3 RF-driven minority ion tails. The diagnostic technique and its application on TFTR are described in detail.
Author: S. S. Medley
Publisher:
ISBN:
Category : Alpha rays
Languages : en
Pages : 32
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Book Description
Author: H. H. Duong
Publisher:
ISBN:
Category : Charge exchange
Languages : en
Pages : 9
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 15
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
The Charge Exchange Neutral Analyzer diagnostic for the Tokamak Fusion Test Reactor was designed to measure the energy distributions of both the thermal ions and the supra thermal populations arising from neutral-beam injection and ion cyclotron radio-frequency heating. These measurements yield the plasma ion temperature, as well as several other plasma parameters necessary to provide an understanding of the plasma condition and the performance of the auxiliary heating methods. For this application, a novel charge-exchange spectrometer using a dee-shaped region of parallel electric and magnetic fields was developed at the Princeton Plasma Physics Laboratory. The design and performance of this spectrometer is described in detail, including the effects of exposure of the microchannel plate detector to magnetic fields, neutrons, and tritium.
Author: S. S. Medley
Publisher:
ISBN:
Category : Alpha rays
Languages : en
Pages : 18
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Book Description
Author: Thomas J. Dolan
Publisher: Springer Science & Business Media
ISBN: 1447155564
Category : Technology & Engineering
Languages : en
Pages : 816
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Book Description
Magnetic Fusion Technology describes the technologies that are required for successful development of nuclear fusion power plants using strong magnetic fields. These technologies include: • magnet systems, • plasma heating systems, • control systems, • energy conversion systems, • advanced materials development, • vacuum systems, • cryogenic systems, • plasma diagnostics, • safety systems, and • power plant design studies. Magnetic Fusion Technology will be useful to students and to specialists working in energy research.
Author: Kenro Miyamoto
Publisher: Taylor & Francis
ISBN: 1584887109
Category : Science
Languages : en
Pages : 393
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Book Description
Resulting from ongoing, international research into fusion processes, the International Tokamak Experimental Reactor (ITER) is a major step in the quest for a new energy source.The first graduate-level text to cover the details of ITER, Controlled Fusion and Plasma Physics introduces various aspects and issues of recent fusion research activ
