High burnup calculation characteristics of traveling wave reactor

Sun Wei; Wei Yanqin; Wu Wenbin; Ni Dongyang; Lu Di; Lou Lei

doi:10.11884/HPLPB201729.160339

Volume 29 Issue 03

Feb. 2017

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Article Navigation > High Power Laser and Particle Beams > 2017 > 29(03): 036005

Liu Yuan, Wang Lijuan, Guo Nan, et al. Central buoyant MEMS vector hydrophone of low-frequency and high sensitivity[J]. High Power Laser and Particle Beams, 2015, 27: 054102. doi: 10.11884/HPLPB201527.054102

Citation:

Sun Wei, Wei Yanqin, Wu Wenbin, et al. High burnup calculation characteristics of traveling wave reactor[J]. High Power Laser and Particle Beams, 2017, 29: 036005. doi: 10.11884/HPLPB201729.160339

Citation:

Sun Wei, Wei Yanqin, Wu Wenbin, et al. High burnup calculation characteristics of traveling wave reactor[J]. High Power Laser and Particle Beams, 2017, 29: 036005. doi: 10.11884/HPLPB201729.160339

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High burnup calculation characteristics of traveling wave reactor

doi: 10.11884/HPLPB201729.160339

1.
Science and Technology on Reactor System Design Technology Laboratory,China Institute of Nuclear Power,Chengdu 610041,China

Received Date: 2016-06-16
Rev Recd Date: 2016-11-14
Publish Date: 2017-03-15

Abstract

Abstract

The traveling wave reactor (TWR) is an innovative nuclear system, whose discharge burnup is 400 GWd/tHM, about three to four times of existing fast reactor and six to eight times of pressurized water reactor. High discharge burnup forces the present codes to face the great challenges in precision.This paper studies the high burnup calculation characteristics of traveling wave reactor from energy spectrum, importance of fission production and calculation error accumulation of fuel consumption by KYLIN-1 code. The analysis results of typical traveling wave reactor hexagonal assembly show that the low enriched uranium assemblies have different energy spectra at beginning and end of life, which cause big calculation error ofkinf by existing code system. To ensure the correctness of the traveling wave reactor burnup calculations, the burn chain should contain 70 kinds of important fission product nuclides. The calculation error accumulation of fuel consumption is small when the burnup step is increased. The calculation error ofkinf is about 0.001% each burnup step.
- traveling wave reactor,
- high burnup,
- KYLIN-1 code

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