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research-article

Discussion of Tag Gas Method Using in China Experimental Fast Reactor for Failed Fuel Assembly Location

[+] Author and Article Information
Yewang Bie

Nuclear and Radiation Safety Center, MEP Beijing 100082,China
bieyewang@live.com

Donghui Zhang

China Institute of Atomic Energy P.O.Box 275-95,Beijing 102413,China
zhangdh@ciae.ac.cn

Wenbin Xiong

Nuclear and Radiation Safety Center, MEP Beijing 100082,China
xiongwenbin@chinansc.cn

Li Huwei

Nuclear and Radiation Safety Center, MEP Beijing 100082,China
lihuwei@chinansc.cn

Mingyu Wu

China Institute of Atomic Energy P.O.Box 275-95,Beijing 102413,China
wu_mingyu1979@sohu.com

Xinzhe Wang

China Institute of Atomic Energy P.O.Box 275-95,Beijing 102413,China
wangxz@ciae.ac.cn

1Corresponding author.

ASME doi:10.1115/1.4040029 History: Received October 31, 2017; Revised April 09, 2018

Abstract

As the first fast reactor of China, the safety of CEFR is extremely important, and will decide the future of Chinese fast reactor project. The failed fuel detection system of CEFR provides surveillance and protection for the first barrier-fuel cladding of CEFR, so it is one of the most important systems for the safety of CEFR. As tag gas method is an important method for fuel-failure location in fast reactor, CEFR has a medium-term and long-term plan of using this method to locating failed fuel assemblies. This article introduces the main principle of tag gas method, summarizes the application of this method, and compares the advantages and disadvantages of each fuel failure location method. Combining the design characteristics of China Experimental Fast Reactor, this work analyzes the selection principle of tag gas isotopes and the effects on heat transfer capability of fuel element while tag gas filled in. Meanwhile, according to the detection ability of mass spectrometer and the foreign advanced utilization experiences of tag gas method, some suggestions are provided.

Copyright (c) 2018 by ASME
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