Measurement of Li target thickness in the EVEDA Li Test Loop
作者： Takuji Kanemura , Hiroo Kondo , Tomohiro Furukawa , Yasushi Hirakawa , Eiji Hoashi
DOI: 10.1016/J.FUSENGDES.2015.06.060
关键词:
摘要: Abstract A high-speed (nominal: 15 m/s, range: 10–16 m/s) liquid lithium wall jet is planned to serve as the target for two 40 MeV and 125 mA deuteron beams in International Fusion Materials Irradiation Facility (IFMIF). The design requirement of thickness stability 25 ± 1 mm under a vacuum 10 −3 Pa. This paper presents results measurement conducted EVEDA Li Test Loop wide range conditions including IFMIF condition (target speed 10, 15, 20 m/s; pressure Pa; temperature 250 °C). For measurement, we use laser probe method that developed advance; this generates statistical measurements using distance meter. obtained nominal (15 m/s, Pa, 250 °C) at beam center are follows: average thickness = 26.08 ± 0.09 mm (2 σ ), mean wave amplitude = 0.26 ± 0.01 mm maximum amplitude = 1.46 ± 0.25 mm ). Of total components, 99.7% within requirement. analytically predicted excellent agreement with experimental data, resulting successful characterization thickness.
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