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Report No.

Performance test of ex-core high temperature and high pressure water loop test equipment (Contract research)

Nakano, Hiroko  ; Uehara, Toshiaki; Takeuchi, Tomoaki  ; Shibata, Hiroshi ; Nakamura, Jinichi ; Matsui, Yoshinori ; Tsuchiya, Kunihiko 

In Japan Atomic Energy Agency, we started a research and development so as to monitor the Nuclear Plant Facilities situations during a severe accident, such as a radiation-resistant monitoring camera under a severe accident, a radiation resistant in-water transmission system for conveying the information in-core and a heat-resistant signal cable. As part of advance in a heat-resistant signal cable, we maintained to ex-core high-temperature and pressure water loop test equipment which can be simulated conditions of BWRs and PWRs for evaluation reliability and property of construction sheath materials. This equipment consists of Autoclave, water conditioning tank, water pump, high-pressure metering pump, preheater, heat exchanger and pure water purification equipment. This report describes the basic design and the results of performance tests of construction machinery and tools of ex-core high-temperature and pressure water loop test equipment.



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