Progress summary of LHD engineering design and construction
Progress summary of LHD engineering design and construction
复制标题
铲运机工程设计及施工进展总结
DOI：
10.1088/0029-5515/40/3y/322
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发表时间：
2000
期刊：
影响因子：
3.3
通讯作者：
A. Iiyoshi
中科院分区：
文献类型：
--
作者：
O. Motojima;K. Akaishi;H. Chikaraishi;H. Funaba;S. Hamaguchi;S. Imagawa;S. Inagaki;N. Inoue;A. Iwamoto;S. Kitagawa;A. Komori;Y. Kubota;R. Maekawa;S. Masuzaki;T. Mito;J. Miyazawa;T. Morisaki;K. Murai;T. Muroga;T. Nagasaka;Y. Nakamura;A. Nishimura;K. Nishimura;N. Noda;N. Ohyabu;A. Sagara;S. Sakakibara;R. Sakamoto;S. Satoh;T. Satow;M. Shoji;H. Suzuki;K. Takahata;H. Tamura;K. Watanabe;H. Yamada;S. Yamada;S. Yamaguchi;K. Yamazaki;N. Yanagi;T. Baba;H. Hayashi;M. Iima;T. Inoue;S. Kato;T. Kato;T. Kondo;S. Moriuchi;H. Ogawa;I. Ohtake;K. Ooba;H. Sekiguchi;N. Suzuki;S. Takami;Y. Taniguchi;T. Tsuzuki;N. Yamamoto;K. Yasui;H. Yonezu;M. Fujiwara;A. Iiyoshi
1998年3月，LHD项目终于完成了8年的建设计划。LHD是一种超导（SC）日光管型装置，R = 3. 9 m，ap = 0. 6 m，B = 3 T，具有简单连续的大螺旋线圈。LHD的主要使命是证明无电流螺旋环形等离子体的高潜力，这是免费的电流中断，并有一个内在的潜力，稳态运行。在20世纪80年代进行了深入的物理设计研究之后，进行了必要的SC工程研发计划，并成功开发了LHD制造技术。在这个过程中，一个重要的数据库聚变工程已经建立。在超导导体研制技术、超导线圈制造技术、液态氦和超临界氦低温技术、低温结构材料和焊接技术、运行与控制技术、供电系统及相关的超导线圈保护技术等方面取得了一定的成果。它们是一体化的，现在构成了LHD相关融合技术领域的主要部分。这些问题对应于未来反应堆设计下一步所需的技术数据库。此外，在铲运机装配阶段完成后，通过成功的调试测试（包括真空泄漏测试、液氦冷却测试和线圈电流激励测试），可以增加该数据库。这些LHD相关的工程发展是概括和突出。为了总结LHD作为SC装置的构造，通过这些研发活动，已经成功地完成了使用NbTi SC材料的关键设计，这使得能够进入聚变实验的新领域。
In March 1998, the LHD project finally completed its eight year construction schedule. LHD is a superconducting (SC) heliotron type device with R = 3.9 m, ap = 0.6 m and B = 3 T, which has simple and continuous large helical coils. The major mission of LHD is to demonstrate the high potential of currentless helical-toroidal plasmas, which are free from current disruption and have an intrinsic potential for steady state operation. After intensive physics design studies in the 1980s, the necessary programmes of SC engineering R&D was carried out, and as a result, LHD fabrication technologies were successfully developed. In this process, a significant database on fusion engineering has been established. Achievements have been made in various areas, such as the technologies of SC conductor development, SC coil fabrication, liquid He and supercritical He cryogenics, development of low temperature structural materials and welding, operation and control, and power supply systems and related SC coil protection schemes. They are integrated, and nowadays comprise a major part of the LHD relevant fusion technology area. These issues correspond to the technological database necessary for the next step of future reactor designs. In addition, this database could be increased with successful commissioning tests just after the completion of the LHD machine assembly phase, which consisted of a vacuum leak test, an LHe cooldown test and a coil current excitation test. These LHD relevant engineering developments are recapitulated and highlighted. To summarize the construction of LHD as an SC device, the critical design with NbTi SC material has been successfully accomplished by these R&D activities, which enable a new regime of fusion experiments to be entered.