Method for detecting deformation of fuel assembly after irradiation of pressurized-water reactor nuclear power plant and implementation device thereof

Method for detecting deformation of fuel assembly after irradiation of pressurized-water reactor nuclear power plant and implementation device thereof

The invention belongs to the technical field of detection, and in particular relates to a device and a method for detecting deformation size of a fuel assembly after irradiation of a pressurized-water reactor nuclear power plant, which solve the problem of low precision and poor insurance in the pri...

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Hauptverfasser: CHAI YUKUN, WAN ZHIJIAN, WANG XIAOMIN, ZHU JINHAI, GAO SANJIE, YANG BO, ZHANG XIAOCHUAN, TANG YUEMING
Format: Patent
Sprache:chi ; eng
Schlagworte:
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
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creator CHAI YUKUN
WAN ZHIJIAN
WANG XIAOMIN
ZHU JINHAI
GAO SANJIE
YANG BO
ZHANG XIAOCHUAN
TANG YUEMING
description The invention belongs to the technical field of detection, and in particular relates to a device and a method for detecting deformation size of a fuel assembly after irradiation of a pressurized-water reactor nuclear power plant, which solve the problem of low precision and poor insurance in the prior art. The detecting device mainly comprises an annular base (1) and detection sets (2), wherein a plurality of detection sets (2) are evenly distributed on the annular base (1); each detection set (2) comprises a pair of detection units (3) placed reversely in parallel; the number of the detection units (3) is the same as the edge number of the fuel assembly (10); and the detecting method adopts the detection set (2) consisting of the two detection units (3) to measure the width of an opposite side of the fuel assembly, the diameter of fuel rods and the clearance between the fuel rods. The method and the device can inspect the curve and torsion of the fuel assembly after the irradiation of the nuclear power plant
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subjects NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
title Method for detecting deformation of fuel assembly after irradiation of pressurized-water reactor nuclear power plant and implementation device thereof
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