Visual test device suitable for annular rod bundle fuel element under heating condition

• Main Authors: YAO YAO, KANG ZHEN, YANG XINHUI, QI PEIYAO, LIU RUWEI, LIU FENG, LI CHAO, SUN RUOPEI, MA XIAOLONG, MU MINGWEI, ZHANG RUIXIANG, LUO PENG, HAN CHUANGAO
• Format: Patent
• Language: Chinese; English
• Published: 22.07.2022
• Subjects: NUCLEAR ENGINEERING; NUCLEAR PHYSICS; NUCLEAR REACTORS; PHYSICS

The invention discloses a visual test device suitable for an annular rod bundle fuel element under a heating condition, ITO (Indium Tin Oxide) coating films are arranged on the inner wall and the outer wall of an annular fuel rod, a first conductive pressing copper plate is connected with the ITO coating films on the inner wall and the outer wall of the upper end of the annular fuel rod, and a second conductive pressing copper plate is connected with the ITO coating films on the inner wall and the outer wall of the upper end of the annular fuel rod. The second conductive pressing copper plate is connected with the ITO coating films on the inner wall and the outer wall of the lower end of the annular fuel rod, and the first conductive pressing copper plate and the second conductive pressing copper plate are connected with a direct-current power supply; the cylinder and the annular fuel rod are both of a transparent structure, thermocouples are arranged on the inner wall and the outer wall of the annular fuel r