Application of MCNP5 in power distribution calculations of solid fuel molten salt reactor

Peng Honghua; Yan Rui; Zhu Guifeng; Zou Yang; Ma Hongjun

doi:10.11884/HPLPB201830.170230

Volume 30 Issue 1

Jan. 2018

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Li Weikai, Zhang Wei, Yin Dayu, et al. Design of closed orbit correction system for beam accumulation stage of CSRm[J]. High Power Laser and Particle Beams, 2019, 31: 035101. doi: 10.11884/HPLPB201931.180368

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Peng Honghua, Yan Rui, Zhu Guifeng, et al. Application of MCNP5 in power distribution calculations of solid fuel molten salt reactor[J]. High Power Laser and Particle Beams, 2018, 30: 016003. doi: 10.11884/HPLPB201830.170230

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Application of MCNP5 in power distribution calculations of solid fuel molten salt reactor

doi: 10.11884/HPLPB201830.170230

Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China

Received Date: 2017-06-20
Rev Recd Date: 2017-08-14
Publish Date: 2018-01-15

Abstract

Abstract

A Monte Carlo Code MCNP5 is used to analyse the energy deposition ratio and power distribution in thorium-based molten salt experiment reactor with solid fuel (TMSR-SF1). Since MCNP5 could not deal with the deposition energy from delayed beta and gamma ray photons, an analog equivalent method is used to take them into account. Then, the energy deposition rate and power distribution in TMSR-SF1 are calculated during the beginning, the middle and the end of the reactor life cycle. The results indicate that, compared with the PWR fuel rod (which is about 95%-97%), the energy deposition ratio in the pebble of TMSR-SF1 is smaller (about 93%). At the same time, TMSR-SF1 behaves good safety feature due to its low power peak factor (about 1.5).
- solid fuel molten salt reactor,
- fuel pebble,
- energy deposition,
- power peaking factor

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References

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