Analysis and Study for Change of MJTR Critical Position of Control Rod

Cao Yin; Luo Xin; Liu Shuiqing; Kang Zhanghu; Wang Hao

doi:10.13832/j.jnpe.2018.S2.0128

Volume 39 Issue S2

Dec. 2018

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Cao Yin, Luo Xin, Liu Shuiqing, Kang Zhanghu, Wang Hao. Analysis and Study for Change of MJTR Critical Position of Control Rod[J]. Nuclear Power Engineering, 2018, 39(S2): 128-130. doi: 10.13832/j.jnpe.2018.S2.0128

Citation:

Cao Yin, Luo Xin, Liu Shuiqing, Kang Zhanghu, Wang Hao. Analysis and Study for Change of MJTR Critical Position of Control Rod[J]. Nuclear Power Engineering, 2018, 39(S2): 128-130. doi: 10.13832/j.jnpe.2018.S2.0128

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Analysis and Study for Change of MJTR Critical Position of Control Rod

doi: 10.13832/j.jnpe.2018.S2.0128

Sub-Institute of Reactor Operation and Application, Nuclear Power Institute of China, Chengdu, 610213, China

Received Date: 2018-08-23
Rev Recd Date: 2018-10-22

Available Online: 2025-02-09

Abstract

Abstract

From 26 th June, 2013 to 14 th June, 2017, dozens of criticality experiments were conducted on MJTR, and the experiment results show that the critical position of control rod are rising. To this phenomenon, some analysis and calculation have been done, and the results show that this phenomenon is a result of several elements such as fission products decay, temperature effect and the reducing of fissile nuclide. This conclusion is of great importance to the safe operation of MJTR in the future.
- Minjiang Test Reactor （MJTR）,
- Critical position,
- Temperature effect,
- Decay,
- Fission products