The thermal and stress-and-strain states of the water-cooled surfaces of a device for retention of the corium melt

被引:0
|
作者
Borovkov, A.I. [1 ]
Granovskij, V.S. [1 ]
Kovtunova, S.V. [1 ]
Semenov, A.S. [1 ]
Sidorov, A.S. [1 ]
机构
[1] Aleksandrov NITI, Sosnovyj Bor, 188537, Russia
来源
Teploenergetika | 2001年 / 09期
关键词
Computer aided analysis - Heat exchangers - Heat shielding - Nuclear power plants - Pressurized water reactors - Strain - Thermal load - Thermal stress;
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学科分类号
摘要
The results of a computational analysis of the thermal and the stress-and-strain states of the heat exchanger in a system for retention of the corium melt in a nuclear power station equipped with a VVER-1000 reactor are described. For typical operating conditions, the maximal heat loads and the margin for the nucleate boiling crisis were determined. Based on 2D and 3D calculations of the stress-and-strain states, the zones of development of plastic strain and its values were determined.
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页码:14 / 18
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