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Author: Joseph Allan Snipes Publisher: ISBN: Category : Languages : en Pages : 16
Book Description
The ITPA Confinement and H-mode Threshold Databases have been used to analyze energy confinement at high density and the dependencies of the H-mode threshold power on aspect ratio ..., edge safety factor, and plasma effective charge (Zeff). High density data from ASDEX-Upgrade, DIII-D, and JET indicate that with peaked density profiles it is possible to maintain good global energy confinement (H98y2 [approx.] 1) up to and beyond the Greenwald density limit even though the loss power ... does not exceed the H-mode threshold power scaling. The new low aspect ratio MAST data in the threshold database permits initial regressions to be made including the aspect ratio. The inverse aspect ratio dependence of the threshold power cannot be determined with the present dataset due to inconsistencies in the threshold between low inverse aspect ratio devices (ASDEX, PBX-M) and MAST. New scalings for the threshold power have been produced, which yield similar values as previous scalings for the predicted threshold power in ITER. There is an increase in the H-mode threshold at low q95
Author: Joseph Allan Snipes Publisher: ISBN: Category : Languages : en Pages : 16
Book Description
The ITPA Confinement and H-mode Threshold Databases have been used to analyze energy confinement at high density and the dependencies of the H-mode threshold power on aspect ratio ..., edge safety factor, and plasma effective charge (Zeff). High density data from ASDEX-Upgrade, DIII-D, and JET indicate that with peaked density profiles it is possible to maintain good global energy confinement (H98y2 [approx.] 1) up to and beyond the Greenwald density limit even though the loss power ... does not exceed the H-mode threshold power scaling. The new low aspect ratio MAST data in the threshold database permits initial regressions to be made including the aspect ratio. The inverse aspect ratio dependence of the threshold power cannot be determined with the present dataset due to inconsistencies in the threshold between low inverse aspect ratio devices (ASDEX, PBX-M) and MAST. New scalings for the threshold power have been produced, which yield similar values as previous scalings for the predicted threshold power in ITER. There is an increase in the H-mode threshold at low q95
Author: John Wesson Publisher: Oxford University Press ISBN: 0199592233 Category : Science Languages : en Pages : 828
Book Description
The tokamak is the principal tool in controlled fusion research. This book acts as an introduction to the subject and a basic reference for theory, definitions, equations, and experimental results. The fourth edition has been completely revised, describing their development of tokamaks to the point of producing significant fusion power.
Author: Peter E. Stott Publisher: Springer Science & Business Media ISBN: 1461553539 Category : Science Languages : en Pages : 615
Book Description
This book of proceedings collects the papers presented at the workshop on "Diagnostics for Experimental Fusion Reactors" held at Villa Monastero, Varenna (Italy) September 4-12, 1997. This workshop was the seventh organized by the International School of Plasma Physics "Piero Caldirola" on the topic of plasma diagnostics and the second devoted to the diagnostic studies for the International Thermonuclear Experimental Reactor (ITER). The proceedings of the first workshop on ITER diagnostics were published by Plenum Press in 1996 with the title "Diagnostics for Experimental Thermonuclear Fusion Reactors". While many of the ideas and studies reported in the first workshop remain valid, there has been sub stantial progress in the design and specification of many diagnostics for ITER. This moti vated a second workshop on this topic and the publication of a new book of proceedings. ITER is a joint venture between Europe, Japan, Russia and USA in the field of con trolled thermonuclear fusion research. The present aim of ITER is to design an experimental fusion reactor that can demonstrate ignition and sustained burn in a magnetically confined plasma. To achieve this goal, a wide range of plasma parameters will have to be measured reliably. It is also anticipated that diagnostics will be used much more extensively as input to control systems on ITER than on present fusion devices and this will require increased relia bility and long-term stability.
Author: Sanae-I Itoh Publisher: American Institute of Physics ISBN: Category : Science Languages : en Pages : 266
Book Description
This book contains the lectures of the 2nd ITER International Summer School (2008), which was held in conjunction with the 47th Summer School of JSPF for Young Plasma Scientists at Kyushu University during July 22-25, 2008. The theme of the school, “Confinement (from device to plasma)”, was to provide a comprehensive knowledge for fusion research in the ITER era. Fusion research will enter a new phase with ITER, characterized by plasmas with substantial fusion reaction rates, run by an international collaboration effort. Recognizing this new challenge, this book uniquely addresses the definition of mission, the design of device and the knowledge bases for its completion in a consistent manner. This book aims to prepare young researchers to tackle the current and anticipated challenges of magnetic fusion devices, and to disseminate the global knowledge required for a timely and competent exploitation of the ITER physics potential.
Author: Joseph Allan Snipes
Author: Joseph Allan Snipes
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Author: John Wesson
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Author: Peter E. Stott
Author: Sanae-I Itoh
Author: ITER Council. Meeting