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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
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- 1 - 29 (29page)
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Elimination of soluble boron from reactor design eliminates boron-induced reactivity accidents and leadsto a more negative moderator temperature coefficient. However, a large negative moderator temperaturecoefficient can lead to large reactivity feedback that could allow the reactor to return to power when itcools down from hot full power to cold zero power. In soluble boron-free small modular reactor (SMR)design, only control rods are available to control such rapid core transient. The purpose of this study is to investigate whether an SMR would have enough control rod worth tocompensate for large reactivity feedback. The investigation begins with classification of reactivity andcompletes an analysis of the reactivity balance in each reactor state for the SMR model. The control rod worth requirement obtained from the reactivity balance is a minimum control rodworth to maintain the reactor critical during the whole cycle. The minimum available rod worth must belarger than the control rod worth requirement to manipulate the reactor safely in each reactor state. It isfound that the SMR does have enough control rod worth available during rapid transient to maintain theSMR at subcritical below k-effectives of 0.99 for both hot zero power and cold zero power.
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참고문헌 (10)
참고문헌 신청
[단행본] - / 2007 / General Design Criteria for Nuclear Power Plants, Appendix A to Part 50 of 10 CFR
[단행본] - B. Muth / 2016 / Application of B4C/Al2O3 Burnable Absorber Rod to Control Excess Reactivity of SMR
[단행본] - J.H. Park / 2015 / Reactivity Flattening for a Soluble-Boron-Free Small Modular Reactor
[단행본] - Korea Electric Power Corporation / 2014 / APR1400 Design Control Document Tier 2, Chapter 16 Technical Specifications, APR1400-K-X-FS-14002-NP Rev. 0
[단행본] - Studsvik Scandpower / 2009 / CASMO-4: A Fuel Assembly Burnup Program - User's Manual (University Release), SSP-09/433-U Rev 0
[단행본] - B. Muth / 2016 / Application of B4C/Al2O3 Burnable Absorber Rod to Control Excess Reactivity of SMR
[단행본] - J.H. Park / 2015 / Reactivity Flattening for a Soluble-Boron-Free Small Modular Reactor
[단행본] - Korea Electric Power Corporation / 2014 / APR1400 Design Control Document Tier 2, Chapter 16 Technical Specifications, APR1400-K-X-FS-14002-NP Rev. 0
[단행본] - Studsvik Scandpower / 2009 / CASMO-4: A Fuel Assembly Burnup Program - User's Manual (University Release), SSP-09/433-U Rev 0
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