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反应堆压力容器压力-温度限值曲线参数敏感性分析 被引量:2

A PARAMETRIC STUDY OF PRESSURE-TEMPERATURE LIMIT CURVE FOR RPV
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摘要 该文介绍了2007版RCCM规范和2010版ASME规范对反应堆压力容器压力温度(P-T)限值曲线计算的改进,并基于2007版RCCM规范提出了新的P-T计算流程。通过3D有限元分析,研究了裂纹尺寸、降温速率、应力强度因子塑性修正、堆焊层结构等因素对P-T曲线的影响。数值分析表明裂纹尺寸和堆焊层结构对P-T曲线有较大影响;应力强度因子塑性修正过程对P-T曲线影响有限;若参考RCCM规范计算P-T曲线,则降温速率对计算结果影响较大;若参考ASME规范计算,则降温速率对计算结果影响不大。 The improvement of the pressure-temperature (P-T) limit curve methodologies given by the ASME code Ver.2010 and the RCCM code Ver.2007 are presented, and a new P-T curve calculation procedure is proposed according to the RCCM code Ver.2007. The effect of crack size, cooling rate, stress intensity factor plasticity correction and cladding on the P-T curve are studied by performing 3D finite element analysis. The result indicates that crack size and cladding have significant impact on P-T curve, while stress intensity factor olasticitv correction has limited influence: the coolin~ rate effect depends on which standard code is used.
作者 吕峰 陈明亚
出处 《工程力学》 EI CSCD 北大核心 2013年第2期394-399,共6页 Engineering Mechanics
基金 江苏省自然科学基金项目(BK2009560) 国家863课题项目(2012AA050901) 国家自然科学基金项目(51275338)
关键词 反应堆压力容器 压力温度限值曲线 RCCM规范 ASME规范 有限元 reactor pressure vessel pressure temperature limit curve RCCM code ASME code finite elementanalysis
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  • 7EJ/T918-94.压水堆核电厂反应堆压力容器压力温度限值曲线制定准则[S].

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同被引文献21

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