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Preliminary design and R&D of ITER diagnostic-radial X-ray camera
Hu, L.; Chen, K.; Chen, Y.; Cao, H.; Li, S.; Yu, H.; Zhan, J.; Shen, J.; Qin, S.; Sheng, X.; Zhao, J.; Niu, L.; Feng, C.; Ge, J.; Zhang, S.; Zhang, B.
2017-10-21
发表期刊NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
卷号870页码:50-54
摘要Preliminary design of ITER Radial X-ray Camera (RXC) has been finished. The structure design is optimized and installation process is studied considering the simplification and easiness of maintenance. Remote handling procedures are designed for the system maintenance after being activated. For detector cooling against high environment temperature which can be up to 240 degrees, a dedicated gas cooling system using heat exchanger is designed. The structure analysis indicates that the stresses and displacements of most of the components under load combinations are within the allowable limits and no Safety Important Component (SIC) boundary is damaged. Through putting B4C material in the front part of DSM and around detectors for neutron shielding, the detectors are expected to survive the whole D-D phase. As for electronics, preliminary design of highly integrated pre-amplifier and program controllable mid-amplifier has been completed, both with bandwidth greater than 100 kHz to meet time resolution requirement of 20 kHz. To protect the electronics from intensive neutron and gamma irradiation, shielding cabinet capable of attenuating neutron flux down to 0.0001 and gamma dose 0.01 is designed. Besides, many R&D has been done to support the design. The tests of pre-amplifier and mid-amplifier indicated the electronics had no functional problem when debugging together and generally passed preliminary ElectroMagnetic Compatibility (EMC) test and nuclear test. The highly-integrated compact pre-amplifier has been used in EAST and proved useful. To test the feasibility of dedicated gas cooling system for detectors, a cooling test platform was built and preliminary cooling test has been done, indicating that during 250 degrees baking the detector temperature is promising to be cooled down to the detector temperature limit of 75 degrees. To increase signal to noise ratio, large area detector with dark current less than 2nA has been manufactured and worked steadily in EAST experiments. (C) 2017 Elsevier B.V. All rights reserved.
文章类型Article
关键词X-ray Camera Iter Diagnostic
WOS标题词Science & Technology ; Technology ; Physical Sciences
DOI10.1016/j.nima.2017.07.021
关键词[WOS]DENSITY
收录类别SCI
语种英语
WOS研究方向Instruments & Instrumentation ; Nuclear Science & Technology ; Physics
WOS类目Instruments & Instrumentation ; Nuclear Science & Technology ; Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000409534600008
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/33638
专题中科院等离子体物理研究所
作者单位Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
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Hu, L.,Chen, K.,Chen, Y.,et al. Preliminary design and R&D of ITER diagnostic-radial X-ray camera[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,2017,870:50-54.
APA Hu, L..,Chen, K..,Chen, Y..,Cao, H..,Li, S..,...&Zhang, B..(2017).Preliminary design and R&D of ITER diagnostic-radial X-ray camera.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,870,50-54.
MLA Hu, L.,et al."Preliminary design and R&D of ITER diagnostic-radial X-ray camera".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 870(2017):50-54.
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