Superconducting characteristics of short MgB2 wires of long level sensor for liquid hydrogen

Cryogenic Engineering Conference 2015

材料科学;物理学

Takeda, M.^1 ; Inoue, Y.^1 ; Maekawa, K.^1 ; Matsuno, Y.^2 ; Fujikawa, S.^2 ; Kumakura, H.^3

Kobe University, Kobe, Hyogo

658-0022, Japan^1

Iwatani Corporation, Amagasaki, Hyogo

661-0965, Japan^2

National Institute for Materials Science, Tsukuba, Ibaraki

305-0047, Japan^3

关键词: High-precision;    In-situ methods;    Level sensors;    Liquid hydrogens;    Magnesium diborides;    Marine transport;    MgB2 wires;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/101/1/012156/pdf
DOI  :  10.1088/1757-899X/101/1/012156

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

To establish the worldwide storage and marine transport of hydrogen, it is important to develop a high-precision and long level sensor, such as a superconducting magnesium diboride (MgB2) level sensor for large liquid hydrogen (LH2) tanks on board ships. Three 1.7-m-long MgB2 wires were fabricated by an in situ method, and the superconducting characteristics of twenty-four 20-mm-long MgB2 wires on the 1.7-m-long wires were studied. In addition, the static level-detecting characteristics of five 500-mm-long MgB2 level sensors were evaluated under atmospheric pressure.