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contributor authorShimazaki, Yosuke
contributor authorSawahata, Hiroaki
contributor authorKawamoto, Taiki
contributor authorSuzuki, Hisashi
contributor authorShinohara, Masanori
contributor authorHonda, Yuki
contributor authorKatsuyama, Kozo
contributor authorTakada, Shoji
contributor authorSawa, Kazuhiro
date accessioned2017-11-25T07:18:45Z
date available2017-11-25T07:18:45Z
date copyright2016/10/12
date issued2016
identifier issn2332-8983
identifier otherners_2_4_041008.pdf
identifier urihttp://138.201.223.254:8080/yetl1/handle/yetl/4235381
description abstractMaintenance technologies for the reactor system have been developed by using the High Temperature engineering Test Reactor (HTTR). One of the important purposes of development is to accumulate the experiences and data to satisfy the availability of operation up to 90% by shortening the duration of the periodical maintenance for future high-temperature gas-cooled reactors (HTGRs) by shifting from time-based maintenance to condition-based maintenance. The technical issue of the maintenance of the in-core neutron detector, wide range monitor (WRM), is to predict the malfunction caused by cable disconnection to plan the replacement schedule. This is because it is difficult to observe directly inside the WRM in detail. The electrical inspection method was proposed to detect and predict the cable disconnection of the WRM by remote monitoring from outside the reactor using the time-domain reflectometry (TDR). The disconnection position, which was specified by the electrical method, was identified by nondestructive and destructive inspection. The accumulated data are expected to be contributed for advanced maintenance of future HTGRs.
publisherThe American Society of Mechanical Engineers (ASME)
titleDevelopment of the Prediction Technology of Cable Disconnection of In-Core Neutron Detector for the Future High-Temperature Gas-Cooled Reactors
typeJournal Paper
journal volume2
journal issue4
journal titleJournal of Nuclear Engineering and Radiation Science
identifier doi10.1115/1.4032597
journal fristpage41008
journal lastpage041008-5
treeJournal of Nuclear Engineering and Radiation Science:;2016:;volume( 002 ):;issue: 004
contenttypeFulltext


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