Mid-Scale RI-1 (M1:DP): Preliminary & Final Design of the 40T All Superconducting Magnet

中型 RI-1 (M1:DP):初步

基本信息

  • 批准号:
    2131790
  • 负责人:
  • 金额:
    $ 1582.24万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2021
  • 资助国家:
    美国
  • 起止时间:
    2021-10-01 至 2026-09-30
  • 项目状态:
    未结题

项目摘要

High magnetic fields are a valuable scientific tool for studying the properties of newly discovered materials. Unique properties of new materials enable new technologies to address current and future societal challenges. Currently, the very highest continuous magnetic fields (up to 45 teslas, or one million times the Earth’s magnetic field) are only available in high-powered magnets that cost thousands of dollars of electricity for every hour of operation. High-magnetic-field research on new materials is so important that the National High Magnetic Field Laboratory (NHMFL) hosts thousands of scientists annually, but is unable to meet the demand. By contrast, magnets that are entirely superconducting do not dissipate heat and therefore do not need large amounts of electrical power to operate. As such, superconducting magnets can provide high magnetic fields virtually non-stop with a very low operating cost and low environmental impact. However, commercial superconducting magnets are presently limited to 28 teslas. The NHMFL built a world-record 32 tesla superconducting magnet in 2017. This design project builds on that success by enabling the NHMFL to create a Final Design for a 40 tesla superconducting magnet. Such a magnet will revolutionize high-magnetic-field research, allowing researchers from throughout the scientific community to study their new materials for as long as their experiments require. Like the NHMFL’s world-record 32 tesla superconducting magnet, this 40 tesla superconducting magnet will be able to operate at the same time as the NHMFL’s high-powered magnets, greatly increasing the amount of time available for experiments at high magnetic fields.This project is completing a Final Design of a superconducting magnet capable of delivering 40 teslas in a 34 millimeter bore at 4.2 K. The Final Design enables the magnet to ramp from zero to 40 teslas in one hour or less to allow for high-magnetic-field experiments requiring swept magnetic fields. The magnet will advance research frontiers in quantum matter, including high temperature superconductivity, Ising superconductivity, re-entrant superconductivity, exciton condensation, non-Abelian quasiparticles, and topological matter in its myriad forms. This Design Project includes significant computational and experimental work to design, build, and test coils constructed from Rare Earth Barium Copper Oxide (REBCO) tape in double-pancake form. Test coils subjected to repeated cycling to high stress and repeated quenching from high current illuminate the reliability of the design principles incorporated in the Final Design of the 40 tesla superconducting magnet. Lessons learned from the test coils allow the Final Design to be completed with high confidence in the performance of an eventual 40 tesla superconducting magnet, construction of which would be funded in a subsequent proposal.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
强磁场是研究新发现材料性质的宝贵科学工具。新材料的独特性能使新技术能够应对当前和未来的社会挑战。 目前,最高的连续磁场(高达45特斯拉,即地球磁场的一百万倍)仅适用于高功率磁铁,每运行一小时需要花费数千美元的电力。高磁场对新材料的研究非常重要,国家高磁场实验室(NHMFL)每年接待数千名科学家,但无法满足需求。相比之下,完全超导的磁体不散热,因此不需要大量的电力来运行。因此,超导磁体可以以非常低的运行成本和低的环境影响提供几乎不间断的高磁场。然而,商用超导磁体目前限于28特斯拉。NHMFL在2017年创造了32特斯拉超导磁体的世界纪录。这个设计项目建立在这一成功的基础上,使NHMFL能够为40特斯拉超导磁体创建最终设计。这种磁铁将彻底改变高磁场研究,使整个科学界的研究人员能够根据实验需要研究他们的新材料。与NHMFL世界纪录的32特斯拉超导磁体一样,这款40特斯拉超导磁体将能够与NHMFL的高功率磁体同时运行,大大增加了高磁场实验的时间。该项目正在完成能够在4.2 K下在34毫米孔中提供40特斯拉的超导磁体的最终设计。最终设计使磁体能够在一小时或更短的时间内从零上升到40特斯拉,以允许需要扫描磁场的高磁场实验。该磁体将推进量子物质的研究前沿,包括高温超导性,伊辛超导性,再入超导性,激子凝聚,非阿贝尔准粒子和无数形式的拓扑物质。该设计项目包括重要的计算和实验工作,以设计,建造和测试由双饼形式的稀土钡铜氧化物(REBCO)磁带构造的线圈。测试线圈反复循环高应力和反复淬火从高电流照明的可靠性的设计原则纳入最终设计的40特斯拉超导磁体。从测试线圈中吸取的经验教训使最终设计能够在最终40特斯拉超导磁体的性能方面具有很高的信心,该磁体的建设将在随后的提案中得到资助。该奖项反映了NSF的法定使命,并通过使用基金会的智力价值和更广泛的影响审查标准进行评估,被认为值得支持。

项目成果

期刊论文数量(3)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Effects of Wax Impregnation on Contact Resistivity Between REBCO Tapes
蜡浸渍对 REBCO 胶带之间接触电阻率的影响
Lap Joint Resistivity and Crossover Resistance of REBCO Conductors and Coils
REBCO 导体和线圈的搭接电阻率和交叉电阻
  • DOI:
    10.1109/tasc.2022.3156958
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    1.8
  • 作者:
    Marshall, W. S.;Bai, H.;Bosque, E.;Buchholz, K.;Dixon, I. R.;Kim, K. M.;Lu, J.;Voran, A. J.;Walsh, R. P.;Wright, A.
  • 通讯作者:
    Wright, A.
Stress Analysis of Terminals From the Distribution of Screening Currents for the 40 T All-Superconducting Magnet Project
40T全超导磁体项目屏蔽电流分布端子受力分析
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Mark Bird其他文献

Factors Influencing Treatment Delays for Acute Myocardial Infarction
影响急性心肌梗塞治疗延误的因素

Mark Bird的其他文献

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{{ truncateString('Mark Bird', 18)}}的其他基金

IMR-MIP Series Connected Hybrid Construction Phase
IMR-MIP 系列互联混合建设阶段
  • 批准号:
    0603042
  • 财政年份:
    2006
  • 资助金额:
    $ 1582.24万
  • 项目类别:
    Cooperative Agreement
IMR-MIP Series Connected Hybrid
IMR-MIP 系列连接混合动力
  • 批准号:
    0412169
  • 财政年份:
    2004
  • 资助金额:
    $ 1582.24万
  • 项目类别:
    Continuing Grant

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