Home / Store / Journals / Electronic Articles / Fusion Science and Technology / Volume 62 / Number 1 / Pages 258-264
Takuji Kanemura, Hiroo Kondo, Sachiko Yoshihashi-Suzuki, Eiji Hoashi, Nobuo Yamaoka, Hiroshi Horiike, Tomohiro Furukawa, Mizuho Ida, Kazuyuki Nakamura, Izuru Matsushita, Eiichi Wakai
Fusion Science and Technology / Volume 62 / Number 1 / Pages 258-264
Format:electronic copy (download)
In the Engineering Validation and Engineering Design Activities (EVEDA) on the International Fusion Materials Irradiation Facility (IFMIF), hydraulic stability of a liquid Li jet simulating the IFMIF Li target is planned to be validated in the EVEDA Li Test Loop (ELTL). This paper presents the engineering design of a contact-type liquid level sensor for use in ELTL. The sensor is going to be utilized to measure variation of jet thickness in the validation test on hydraulic stability of the Li jet, which is one of the major key tests to be performed in ELTL. A fundamental requirement for the engineering specification of the sensor is to ensure the position accuracy of the measurement probe against the pressure load of approximately 0.1 MPa between the inside and the outside of the test chamber. The calculation result on structural strength of the sensor with a Nastran code showed that the maximum displacement was 0.65 mm and that the sensor has adequate strength against the pressure load. The calculation result on the sensor temperature with an ABAQUS code showed that the probe tip's temperature can be heated up to approximately the operation temperature with no heaters installed on the sensor.
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