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Spent fuel burnup measurement system

机译：乏燃料燃耗测量系统

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摘要

PPROBLEM TO BE SOLVED: To simply and quickly measure burnup of a spent fuel. PSOLUTION: A radiation detecting means 20 consists of a dose rate meter 24 and a fast neutron detecting means 22. Two radiation detecting means 20 are fixed on a rack 26 and arranged opposing to a canal part 38. They are arranged in a manner to be approximately in the center in the longitudinal direction of a spent fuel 30. While the spent fuel 30 passes through the radiation detecting means 20, fast neutron and ray are measured from both sides of the spent fuel 30. Using the geometrical mean of the measured fast neutron discrete values and that of the measured gross dose rates, burnup of the spent fuel 30 is calculated. PCOPYRIGHT: (C)2004,JPO

机译：

要解决的问题：简单快速地测量乏燃料的燃耗。解决方案：放射线检测装置20由剂量率计24和快速中子检测装置22组成。两个放射线检测装置20固定在齿条26上，并相对于根管部分38布置。这样，在乏燃料30通过放射线检测装置20的同时，从乏燃料30的两侧测量了快中子和射线。根据测量的快中子离散值和测量的总剂量率，计算出乏燃料30的燃耗。

版权：（C）2004，日本特许厅展开▼

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公开/公告号JP3806378B2

专利类型
公开/公告日2006-08-09

原文格式PDF
申请/专利权人三菱重工業株式会社;北海道電力株式会社;関西電力株式会社;四国電力株式会社;九州電力株式会社;日本原子力発電株式会社;
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申请/专利号JP20020238220
发明设计人夏目智弘;安井肇;土井英雄;
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申请日2002-08-19
分类号G21C17/06;
国家 JP
入库时间 2022-08-21 21:49:54

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