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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.1
- 수록면
- 345 - 355 (11page)
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Use of the reconstructed fuel assemblies from partially burnt nuclear fuel pins is analyzed. This reutilizationoption is a potential candidate technique to make better use of the nuclear resources. Standardtwo step method is used to calculate node i.e. fuel assembly average burnup and then pin by pin h valuesare reconstructed to ascertain the residual reactivity in the used fuel pins. Fuel pins with h >1:0 are usedto reconstruct to-be-reused fuel assemblies. These reconstructed fuel assemblies are burnt during thecycle 3, 4, 5 and 6 of a 1000MWPWR core by replacing fresh, once burnt and twice burnt fuel assembliesof the reference core configurations. It is concluded that using reconstructed fuel assemblies for the freshfuel affect dearly on the cycle length (>50 EFPD) when more than 16 fresh fuel assemblies are replaced. However, this loss is less than 20 days if the number of fresh fuel assemblies is less than eight. For thecase of replacing twice burned fuel, cycle length could be increased slightly (10 days or so) providedburnt fuel pins from other reactors were also available. Reactor safety parameters, like axial off setð<±10%Þ, Doppler temperature coefficient ð <0Þ, moderator temperature coefficient at HFP ð <0Þ arealways satisfied. Though, 2D and 3D pin peaking factors are satisfied ð <1:55Þ and ð <2:52Þ respectively,for the cases using eight or less reconstructed fuel assemblies only
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참고문헌 (21)
참고문헌 신청
Z. Hozer / 2012 / Leaking Fuel Impacts and Practices
K. C. Okafor / 1988 / Construction of linear empirical core models for pressurized water reactor in-core fuel management / Nucl. Technol 81(3):381~392
A. Hedayat / 2017 / Developing and analyzing long-term fuel management strategies for an advanced Small Modular PWR / Nucl. Eng. Des 313:190~213
A. T. Daing / 2014 / Investigation into fuel pin reshuffling options in PWR incore fuel management for enhancement of efficient use of nuclear fuel / Nucl. Eng. Des 273:332~349
M. D. Carelli / 2015 / Handbook of Small Modular Nuclear Reactors
K. C. Okafor / 1988 / Construction of linear empirical core models for pressurized water reactor in-core fuel management / Nucl. Technol 81(3):381~392
A. Hedayat / 2017 / Developing and analyzing long-term fuel management strategies for an advanced Small Modular PWR / Nucl. Eng. Des 313:190~213
A. T. Daing / 2014 / Investigation into fuel pin reshuffling options in PWR incore fuel management for enhancement of efficient use of nuclear fuel / Nucl. Eng. Des 273:332~349
M. D. Carelli / 2015 / Handbook of Small Modular Nuclear Reactors
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