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RISS 인기검색어
- 검색키워드
- 저자 : KeeSeok Lim (검색결과 2 건)
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The Structural Design of ITER Tokamak Sub-assembly Tools
임기학,김덕회,Gyeongtaeg Lee,Hyungtaek Lee,Jae Hyuk Lee,KeeSeok Lim,Kyunghoon Oh,Minsung Ban 한국물리학회 2006 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.49 No.III
ITER (International Thermonuclear Experimental Reactor) tokamak assembly mainly comprises sub-assembly and in-pit assembly. The tools for sub-assembly procedure consist of the tools for upending, sector lifting, vacuum vessel support and bracing, and sector sub-assembly, among which the design of three tools, excluding sector lifting, is described herein. The basic structures for these tools have been developed. The structural stabilities have been studied by using ANSYS code, against the seismic loads of SL-2 level for the two candidate ITER sites, Cadarache in France and Rokkasho in Japan, respectively1. Dynamic analyses using FRS (Floor Response Spectrum) have been performed. The upending and sub-assembly tool turned out safe against the seismic loads, while vacuum vessel support and bracing one gave large toroidal bending of 68 mm and the resultant high stress of 856 MPa at the lower region of vacuum vessel. Design improvement for this tool is on-going.?
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The Structural Design of ITER Tokamak In-pit Assembly Tools
임기학,김덕회,Gyeongtaeg Lee,Hyungtaek Lee,Jae Hyuk Lee,KeeSeok Lim,Kyunghoon Oh,Minsung Ban 한국물리학회 2006 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.49 No.III
ITER (International Thermonuclear Experimental Reactor) tokamak assembly mainly comprises sub-assembly and in-pit assembly. The tools for in-pit assembly procedure consist of the tools for Toroidal Field (TF) magnet gravity support assembly, TF magnet inner support, TF coil bracing, and TF coil, vacuum vessel, and thermal shield assembly, among which the design of TF magnet inner support and TF coil bracing tools with sector lifting tool, one of the sub-assembly tool, is described herein. The basic structures for these tools have been developed. The structural stabilities have been studied by using ANSYS code, against the seismic loads of SL-2 level for the two candidate ITER sites, Cadarache in France and Rokkasho in Japan, respectively1. Dynamic analyses using FRS (Floor Response Spectrum) have been performed for the TF magnet inner support and TF coil bracing tools, while an equivalent static analysis was done for the sector lifting tool. The sector lifting tool turned out safe against the seismic loads. The dynamic analyses for the TF support and bracing tool, however, showed a relatively large displacement of 30 mm, which can lead to contact between components. Design improvement for this tool is on-going.
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