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Science and Technology of Nuclear Installations
Volume 2017, Article ID 1686291, 13 pages
https://doi.org/10.1155/2017/1686291
Research Article

Three Design Basis Accidents’ Analysis on the HTR-10GT

Institute of Nuclear and New Energy Technology of Tsinghua University, Collaborative Innovation Center of Advanced Nuclear Energy Technology, The Key Laboratory of Advanced Reactor Engineering and Safety, Ministry of Education, Beijing, China

Correspondence should be addressed to Yujie Dong; nc.ude.auhgnist@jygnod

Received 23 December 2016; Revised 14 April 2017; Accepted 7 May 2017; Published 5 June 2017

Academic Editor: Hidemasa Yamano

Copyright © 2017 Minggang Lang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The study simulated the design basis accidents (DBAs) sequences of the HTR-10GT core with THERMIX. When a DBA happens, the protection system will receive a scram signal which shall lead to active measures to shut down the reactor following it. In the paper, three typical DBA cases were studied. They include an accident induced by station blackout, a case caused by the withdrawal of one control rod out of the core by a mistake, and a case resulting from an earthquake, respectively. The simulation results illustrate that the fuel peak temperatures in the core during these accidents are 1066°C, 1201°C and 1067°C, respectively. It is shown that the HTR-10GT has a good safety characteristic.