Integrated calculation method for pressurized water reactor design basis source terms based on linear chain method

Li Hao; Yang Feng; Yu Ganglin; Wang Kan

doi:10.11884/HPLPB201729.160245

Volume 29 Issue 02

Feb. 2017

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Article Navigation > High Power Laser and Particle Beams > 2017 > 29(02): 026002

Li Hao, Yang Feng, Yu Ganglin, et al. Integrated calculation method for pressurized water reactor design basis source terms based on linear chain method[J]. High Power Laser and Particle Beams, 2017, 29: 026002. doi: 10.11884/HPLPB201729.160245

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Li Hao, Yang Feng, Yu Ganglin, et al. Integrated calculation method for pressurized water reactor design basis source terms based on linear chain method[J]. High Power Laser and Particle Beams, 2017, 29: 026002. doi: 10.11884/HPLPB201729.160245

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Integrated calculation method for pressurized water reactor design basis source terms based on linear chain method

doi: 10.11884/HPLPB201729.160245

1.
Department of Engineering Physics,Tsinghua University,Beijing 100084,China

Received Date: 2016-06-16
Rev Recd Date: 2016-10-30
Publish Date: 2017-02-15

Abstract

Abstract

The design basis source terms provide a basis for safety analysis of nuclear power plant and the foundation of the radiation shielding calculation. In this paper, based on the research of reactor core, primary loop, secondary loop and airborne radioactive source term of pressurized water reactor, migration constants and nuclear reaction constants are introduced by analogy to decay constants, then an integrated calculation method is proposed for calculating the above source terms. The aforesaid equations are solved by program based on the TTA algorithm where the discrete time approximations are applied to, taking account of the source equation characteristics of variable, coefficient, large, sparse and stiff. The results comparing with the typical pressurized water reactor engineering documents are also given in this paper, which verify the correctness and necessity of the program.
- reactor core source term,
- primary loop source term,
- airborne radioactive source term,
- source terms equations,
- source term chain,
- linear chain method

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