不同燃耗步长对KYLIN-II软件kinf计算结果的影响分析
doi: 10.13832/j.jnpe.2019.02.0180
Analysis of Effect of Different Depletion Timestep on kinf Calculated by KYLIN-II Program
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摘要: KYLIN-II软件基于改进预估修正方法进行临界燃耗迭代求解。本文针对压水堆纯UO2燃料组件、含硼可燃毒物的UO2燃耗组件和含钆可燃毒物的UO2燃料组件,使用KYLIN-II软件,分析了不同燃耗步长对组件无限增殖系数kinf计算结果的影响。通过比较分析,对于不同类型的燃料组件,给出了适合的燃耗步长选取,使其可以获得较高的计算精度。
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关键词:
- KYLIN-II软件 /
- 临界燃耗 /
- 燃耗步 /
- 无限增殖系数kinf
Abstract: KYLIN-II program uses a projected predictor-corrector method for the critical burnup calculation. In this paper, the effect of different depletion timestep on the calculated kinf was analyzed for PWRs with pure UO2 fuel assemble, boron UO2 fuel assemble and gad-loaded UO2 fuel assemble, using KYLIN-II program. By comparing with the results, the proper depletion timestep is provided for different types of fuel assembles, to have accurate solution.-
Key words:
- KYLIN-II program /
- Critical burnup /
- Depletion timestep /
- kinf
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