GB/T 8995-2008 in English
VALIDIn-core instrumentation for neutron fluence rate measurements in nuclear reactors
- Issued on:2008-07-18
- Implemented on:2009-04-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
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《GB/T 8995-2008核反应堆中子注量率测量堆芯仪表》由TC30(全国核仪器仪表标准化技术委员会)归口,TC30SC2(全国核仪器仪表标准化技术委员会反应堆仪表分会)执行,主管部门为国家标准化管理委员会。
本标准参照采用IEC标准IEC 60568-2006,Nuclear power plants―Instrumentation important to safety―In-core instrumentation for neutron fluence rate(flux)measurements in power reactors的有关技术内容。
本标准代替GB/T 8995-1988《核反应堆中子注量率测量堆芯仪表》。
本标准与GB/T 8995-1988相比主要变化如下:
――第3章“术语和定义”增加了术语“主要信号”、“附加信号”、“输出误差的限值”和“变换函数”;
――增加了探测器电缆安装的一般原则;
――增加了移动式探测器中子注量率测量堆芯仪表的处理功能要求;
――增加了第13章“退役”。
本标准规定了核反应堆中子注量率测量堆芯仪表的设计原则和要求。本标准适用于在线堆芯中子探测器及为反应堆安全重要目的(保护、信息或控制)所设计的堆芯中子注量率测量部件和仪表。常用的探测器是直流电离室、裂变电离室和自给能中子探测器。
Scope
This standard specifies the design principles and requirements for nuclear reactor neutron flux rate measuring core instruments. This standard applies to on-line neutron detectors and core neutron flux measurement components and instruments designed for reactor safety-important purposes (protection, information or control). Commonly used detectors are DC ionization chambers, fission ionization chambers, and self-powered neutron detectors.

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