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| 300MW锅炉汽包的三维瞬态应力有限元分析 | |
| 引用本文： | 尹奇志,肖金生,江爱林,陈一平,赵在理.300MW锅炉汽包的三维瞬态应力有限元分析[J].武汉理工大学学报(交通科学与工程版),2007,31(1):60-62,69. |
| 作者姓名： | 尹奇志 肖金生 江爱林 陈一平 赵在理 |
| 作者单位： | 1. 武汉理工大学能源与动力工程学院,武汉,430063 2. 武汉理工大学汽车工程学院,武汉,430070;武汉理工大学材料复合新技术国家重点实验室,武汉,430070 3. 湖南省电力试验研究所,长沙,410007 |
| 基金项目： | 高等学校博士学科点专项科研项目，武汉理工大学校科研和校改项目 |
| 摘 要： | 采用某电厂300MW锅炉机组多次试验和事故工况下的实测数据作为锅炉汽包三维有限元模型的边界条件,计算并分析比较了该锅炉汽包模型在8种工况下的瞬态热应力、机械应力、总应力和位移,结果表明:壁面温差对汽包总应力的影响不大,汽包内部蒸汽压力是影响汽包总应力的主要因素;当汽包压力较大时,汽包总应力与蒸汽压力成近似定比值关系. |
| 关 键 词： | 锅炉 汽包 应力分析 有限元 |
| 修稿时间： | 2006-10-12 |
Finite Element Analysis of Three Dimensional Transient Stress in 300MW Boiler Drum |
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| Yin Qizhi,Xiao Jinsheng,Jiang Ailin,Chen Yiping,Zhao Zaili.Finite Element Analysis of Three Dimensional Transient Stress in 300MW Boiler Drum[J].journal of wuhan university of technology(transportation science&engineering),2007,31(1):60-62,69. | |
| Authors: | Yin Qizhi Xiao Jinsheng Jiang Ailin Chen Yiping Zhao Zaili |
| Institution: | 1.School of Energy and Power Engineering, WUT, Wuhan 430063;2. School of Automobile Engineering, WUT ,Wuhan 430070;3.State Key Laboratory of Advanced Technology for Material Synthesis and Processing, WUT , Wuhan 430070;4.Hunan Electric Power Test and Research Institute, Changsha 410007 |
| Abstract: | Taking the running parameters of boiler drum in 8 typical working conditions as data of boundary conditions,the transient thermal stress,mechanical stress and total stress of a 300MW boiler drum is calculated by finite element method.The results show that when the vapor pressure is close to or higher than the normal working vapor pressure,the temperature difference on the boiler wall has little influence on the total stresses.The vapor pressure in boiler drum is the main influential factor to the total stresses,and there is a proportion relationship between them.With the relationship,the maximum stress in the drum can be calculated. |
| Keywords: | boiler drum stress analysis finite element |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |