REBCO盘管在气态氦和固体氮中运行

IF 0.2 Q4 PHYSICS, APPLIED

Progress in Superconductivity and Cryogenics Pub Date : 2019-01-01 DOI:10.9714/PSAC.2019.21.3.047

D. N. Diev, M. N. Makarenko, A. Naumov, A. Polyakov, V. Shcherbakov, D. I. Shutova, M. Surin

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引用次数: 2

摘要

本文给出了在(50-77)K温度范围内用气态氦(GHe)或过冷/固体氮(SN2)冷却的两段REBCO螺线管模型的实验结果。主要冷却源为住友CH-110单级制冷机，在77 K和50 K时的冷却功率分别为175 W和130 W。线圈本身不是直接传导冷却的。我们比较了两种冷却剂达到磁体50 K左右温度所需的时间和低温恒温器内温度分布的均匀性。文中还介绍了在固氮条件下线圈运行的试验结果，并对其在SN2和GHe条件下的临界性能进行了比较。

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REBCO coil operation in gaseous helium and solid nitrogen

The paper gives the results of the experiments with a model two-section REBCO solenoid cooled by either gaseous helium (GHe) or sub-cooled/solid nitrogen (SN2) in (50-77) K temperature range. The major cooling source was a single-stage cryocooler Sumitomo CH-110 with the cooling power of 175 W and 130 W at 77 K and 50 K respectively. The coil itself was not directly conduction cooled. We compare the time taken by both coolants to obtain the temperature of the magnet of about 50 K and the homogeneity of the temperature distribution within the cryostat. Test results for the coil operation in solid nitrogen together with the comparison of its critical properties in SN2 and GHe are also presented.

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来源期刊

Progress in Superconductivity and Cryogenics PHYSICS, APPLIED-

CiteScore

0.40

自引率

33.30%

发文量

期刊介绍： Progress in Superconductivity and Cryogenics is the official publication of The Korea Institute of Applied Superconductivity and Cryogenics and the Korean Superconductivity Society. It was launched in 1999, and accepts original research articles and review papers on research on superconductivity and related fields of physics, electronic devices, materials science, large-scale applications for magnets, power and energy, and cryogenics. The Journal is published quarterly in March, June, September, and December each year. Supplemental issues are published occasionally. The official title of the journal is ''Progress in Superconductivity and Cryogenics'' and the abbreviated title is ''Prog. Supercond. Cryog.'' All submitted manuscripts are peer-reviewed by two reviewers. The text must be written in English. All the articles in this journal are KCI and SCOPUS as of 2015. The URL address of the journal is http://psac.kisac.org where full text is available. This work was supported by the Korean Federation of Science and Technology Societies grant funded by the Korea government.