广东台山核电一期1,2号机组空气冷却器的抗震性能计算分析
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摘要
根据空冷器的特点,利用ANSYS有限元软件建立了空冷器的有限元模型。用MPC184单元实现了力和力矩的加载,得到了空冷器的固有频率和振型。对空冷器在正常运行工况和地震荷载工况下进行了抗震性能计算分析,并根据RCC-M规范对空冷器在地震工况下的结构完整性进行了应力评定。结果表明在上述载荷作用下,空冷器和地脚螺栓的应力状况满足RCC-M规范的要求。
According to the characteristics of a cooler,the finite element model of an air cooler is established using ANSYS software.The force and moment are acted on nozzles using MPC184 element.The natural frequencies and vibration modes of the air cooler are given.Then the stresses of the air cooler under normal operating load case and of accidental load case are calculated.The stresses of nozzles,foot and bolts are checked according to RCC-M specification and meet the requirements.
According to the characteristics of a cooler,the finite element model of an air cooler is established using ANSYS software.The force and moment are acted on nozzles using MPC184 element.The natural frequencies and vibration modes of the air cooler are given.Then the stresses of the air cooler under normal operating load case and of accidental load case are calculated.The stresses of nozzles,foot and bolts are checked according to RCC-M specification and meet the requirements.
引文
[1]RCC-MED2007,Design and Construction Rules for Mechanical Components of PWR Nuclear Islands[S].
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[2]国家地震局主编.核电厂抗震设计规范[S].China Earthquake Administration,Code for Seismic Design of Nuclear Power Plants[S].
[3]胡少卿,孙柏涛.核电站用三相异步电机的抗震力学性能计算分析[J].地震工程与工程振动,2006,26(6):133-137.HUShaoqing,SUN Baitao.Seismic analysis for three phase asynchronous motor used in nuclear power generating station[J].Journal of EarthquakeEngineering and Engineering Vibration,2006,26(6):133-137.
[4]孙柏涛,刘永昌,高登琛,等,巴基斯坦恰希玛依核电站用P300工程核级离心通风机抗震性能计算及试验研究[J].地震工程与工程振动,1997,17(1):89-93.SUN Baitao,LIUYongchang,GAO Dengchen,et al.Aseismic analysis and experiment for centrifugal fan of P300 project of Charshima NuclearPower Station in Pakistan[J].Journal of Earthguake Engineering and Engineering Vibration,1997,17(1):89-93.
[5]杨德生,孙柏涛,胡少卿.核电站用钢制梯架式电缆桥架抗震性能研究[J].世界地震工程,2008,24(2):54-59.YANG Desheng,SUNBaitao,HUShaoqing.Seismic behavior of steel electric cables ladder frames in nuclear power station[J].World EarthquakeEngineering,2008,24(2):54-59.
[6]杨晓丰,张勇,孙柏涛,等.核电站用屏蔽泵的抗震力学性能计算分析[J].世界地震工程,2007,23(3):47-53.YANG Xiaofeng,ZHANG Yong,SUN Baitao,et al.Seismic analysis on canned motor pump used in nuclear power generating station[J].WorldEarthquake Engineering,2007,23(3):47-53.
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