A linear equation of characteristic time profile of power in subcritical quasi-steady state

被引：1
|
作者：
Yamane, Yuichi [1 ]
机构：
[1] Japan Atom Energy Agcy, Nucl Safety Res Ctr, 2-4 Shirakata, Tokai, Ibaraki 3191195, Japan
来源：
JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY | 2020年 / 57卷 / 08期
关键词：
Subcriticality; reactivity; measurement; power profile; one-point kinetics; nuclear criticality safety; reactor kinetics;
D O I：
10.1080/00223131.2020.1736682
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
An equation of power in subcritical quasi-steady state has been derived based on one-point kinetics equations for the purpose of utilizing it for the development of timely reactivity estimation from complicated time profile of neutron count rate. It linearly relates power, P, to a new variable q, which is a function of time differential of the power. It has been confirmed that the points (q, P) calculated by using one-point kinetics code, AGNES, are perfectly in a line described by the new equation and that the points (q, P) calculated from transient subcritical experiment data measured by using TRACY made a line with a slope indicated by the new equation.
引用
收藏
页码：926 / 931
页数：6
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