Development of a porous body model for decay heat removal studies in a pool type sodium cooled fast reactor

U. Partha Sarathy; T. Sundararajan; C. Balaji; K. Velusamy

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Development of a porous body model for decay heat removal studies in a pool type sodium cooled fast reactor

机译：池型钠冷快堆中用于衰减除热研究的多孔体模型的开发

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In this paper, the primary heat transport circuit of a pool type fast breeder reactor has been analyzed to demonstrate its decay heat removal capability without exceeding design safety limits even under complete power failure condition leading to natural convection flow in the system. A three dimensional model of large sodium pool (～12 m diameter) and complex inter-wrapper flow path through narrow gaps (3.4 mm) between a large number of heat generating subassemblies is simplified to a semi-3D porous body model which is computationally less intensive. The proposed semi-3D model has been validated against the detailed three dimensional model. The analysis has been carried out using the general purpose CFD code STAR-CD. The predicted results demonstrate that the decay heat removal system is conducive for natural convection and can remove the heat, keeping all the important temperatures within design safety limits.

机译：在本文中，对池型快中子增殖堆的一次传热回路进行了分析，以证明其衰减的除热能力即使在完全断电的情况下也会导致系统中自然对流，而不会超出设计安全极限。大型钠池（直径约12 m）和通过大量生热组件之间的狭窄缝隙（3.4 mm）的复杂包装间流动路径的三维模型简化为半三维多孔体模型，其计算量较小密集的。所提出的准3D模型已针对详细的三维模型进行了验证。使用通用CFD代码STAR-CD进行了分析。预测结果表明，衰减式除热系统有利于自然对流，并且可以除热，将所有重要温度保持在设计安全范围内。

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来源
《International Journal of Advances in Engineering Sciences and Applied Mathematics》 |2012年第3期|p.202-216|共15页
作者
U. Partha Sarathy; T. Sundararajan; C. Balaji; K. Velusamy;
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作者单位

Thermal Hydraulics Section, Nuclear and Safety Engineering Group, Indira Gandhi Centre for Atomic Research,CDO Building, Kalpakkam 603102, Tamilnadu, India;

Department of Mechanical Engineering, Indian Institute of Technology, Madras, Chennai 600036, India;

Department of Mechanical Engineering, Indian Institute of Technology, Madras, Chennai 600036, India;

Thermal Hydraulics Section, Nuclear and Safety Engineering Group, Indira Gandhi Centre for Atomic Research,CDO Building, Kalpakkam 603102, Tamilnadu, India;

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正文语种 eng
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关键词
fast breeder reactor; natural convection; decay heat removal; inter-wrapper flow; porous body model;

机译：快速增殖反应堆;自然对流;衰减除热;包间流多孔体模型;

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Development of a porous body model for decay heat removal studies in a pool type sodium cooled fast reactor

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