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Status of ITER neutron diagnostic development
Authors
P Batistoni
AE Costley
+18 more
AJH Donné
CL Fiore
R Fisher
G Gorini
WW Heidbrink
T Iguchi
ON Jarvis
YA Kaschuck
AV Krasilnikov
J Källne
T Nishitani
S Popovichev
DV Prosvirin
AL Roquemore
M Sasao
AY Tsutskikh
CI Walker
VS Zaveryaev
Publication date
1 December 2005
Publisher
eScholarship, University of California
Abstract
Due to the high neutron yield and the large plasma size many ITER plasma parameters such as fusion power, power density, ion temperature, fast ion energy and their spatial distributions in the plasma core can be measured well by various neutron diagnostics. Neutron diagnostic systems under consideration and development for ITER include radial and vertical neutron cameras (RNC and VNC), internal and external neutron flux monitors (NFMs), neutron activation systems and neutron spectrometers. The two-dimensional neutron source strength and spectral measurements can be provided by the combined RNC and VNC. The NFMs need to meet the ITER requirement of time-resolved measurements of the neutron source strength and can provide the signals necessary for real-time control of the ITER fusion power. Compact and high throughput neutron spectrometers are under development. A concept for the absolute calibration of neutron diagnostic systems is proposed. The development, testing in existing experiments and the engineering integration of all neutron diagnostic systems into ITER are in progress and the main results are presented. © 2005 IAEA, Vienna
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Last time updated on 25/12/2021