Effect of R Angle of the Outer Extension Tube against the in-Core Flux Thimble in Nuclear Power Plant on Its Wear Behavior
Author(s) -
Qiang Chen,
Yinhui Che,
Jianjun Guan,
Yang Li,
Wang Qinhu
Publication year - 2021
Publication title -
scanning
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.359
H-Index - 47
eISSN - 1932-8745
pISSN - 0161-0457
DOI - 10.1155/2021/1469642
Subject(s) - core (optical fiber) , nuclear power plant , flux (metallurgy) , neutron flux , nuclear engineering , materials science , tube (container) , nuclear reactor core , power (physics) , process (computing) , neutron , forensic engineering , mechanical engineering , engineering , composite material , physics , metallurgy , nuclear physics , computer science , operating system , quantum mechanics
Wear failure of the in-core flux thimble is an important problem in the neutron flux measurement system, which threatens the safety of the nuclear power plant. To figure out the wear mechanism of the thimble, a wear tester was designed and manufactured to simulate the wear process of the in-core flux thimble. Outer guide tubes with different R angles were used to abrade the thimbles. The designed tester can well simulate the wear process in the real power plant. R angle of the outer guide tube played important role in the wear behavior of the in-core flux thimbles.
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