AP1000核电主管道加热过程温度
发布时间:2018-10-11 11:20
【摘要】:建立了主管道三维有限元模型,借助ANSYS软件对其加热过程进行温度场、应力场的计算。采用分段加热,第一阶段初始温度为20℃,加热速度范围为1.5℃/min到24℃/min。加热至600℃保温0~5 h。第二阶段加热速度范围为2.5℃/min到24℃/min,加热至1100℃保温0~3 h。研究了不同加热速度及均热时间对管道温度场、应力场的影响。分析结果表明,以1.5℃/min加热到600℃保温5 h然后再以2.5℃/min加热到1100℃,保温3 h,在该工艺下主管道不会发生塑形畸变,且比实际加热工艺时间更短,可为今后制定主管道加热工艺提供参考。
[Abstract]:The three-dimensional finite element model of the main pipeline is established. The temperature field and stress field of the heating process are calculated by ANSYS software. The initial temperature of the first stage is 20 鈩,
本文编号:2264004
[Abstract]:The three-dimensional finite element model of the main pipeline is established. The temperature field and stress field of the heating process are calculated by ANSYS software. The initial temperature of the first stage is 20 鈩,
本文编号:2264004
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