| 基于单通道模型的ADS堆芯物理热工耦合计算 |
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| 引用本文： | 马腾跃,杨宁,张信一,张良,李华琪,胡攀,陈立新,江新标.基于单通道模型的ADS堆芯物理热工耦合计算[J].原子能科学技术,2015,49(4):604-608. |
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| 作者姓名： | 马腾跃 杨宁 张信一 张良 李华琪 胡攀 陈立新 江新标 |
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| 作者单位： | 1.中国科学技术大学，安徽 合肥230027；2.西北核技术研究所，陕西 西安710024 |
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| 基金项目： | 国家自然科学基金资助项目(91126005) |
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| 摘 要： | 利用单通道模型,开发了铅铋冷却加速器驱动次临界系统(ADS)堆芯组件温度和密度分布的热工计算程序,并将该程序与MCNP耦合,建立了物理热工耦合计算方法。利用该方法计算了耦合后的功率及热工参数。结果表明,堆芯组件温度及冷却剂流速满足热工安全限值,堆芯径向功率不均匀系数较大,堆芯设计需进一步优化。
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| 关 键 词： | 加速器驱动次临界系统 单通道模型 物理热工 |
Neutronics and Thermal-hydraulics Coupled Calculation for ADS Based on Single-channel Model |
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| MA Teng-yue;YANG Ning;ZHANG Xin-yi;ZHANG Liang;LI Hua-qi;HU Pan;CHEN Li-xin;JIANG Xin-biao.Neutronics and Thermal-hydraulics Coupled Calculation for ADS Based on Single-channel Model[J].Atomic Energy Science and Technology,2015,49(4):604-608. |
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| Authors: | MA Teng-yue;YANG Ning;ZHANG Xin-yi;ZHANG Liang;LI Hua-qi;HU Pan;CHEN Li-xin;JIANG Xin-biao |
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| Affiliation: | 1.University of Science and Technology of China, Hefei 230027, China;2.Northwest Institute of Nuclear Technology, Xi’an 710024, China |
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| Abstract: | A thermal-hydraulics code based on single-channel model was developed to calculate the temperature and density profile of fuel assemblies in the conceptual lead-bismuth cooled accelerator driven subcritical system (ADS). By coupling the code with MCNP, the neutronics and thermal-hydraulics coupled method was introduced, and the power and thermal-hydraulic parameters of the ADS were analyzed with the method. The result shows that the assembly temperature and the coolant velocity meet the requirements of the safety limits. However, the radial power nonuniform distribution factor is relatively large, so a further design is deserved. |
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| Keywords: | ADS single-channel model neutronics and thermal-hydraulics |
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