[1]刘鹏亮,李鑫,李东阳,等.燃料相关组件棒流致振动可视化实验研究[J].哈尔滨工程大学学报,2019,40(08):1427-1432.[doi:10.11990/jheu.201804086]
 LIU Pengliang,LI Xin,LI Dongyang,et al.Visualization of flow-induced vibration of fuel-related assembling rod[J].hebgcdxxb,2019,40(08):1427-1432.[doi:10.11990/jheu.201804086]
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燃料相关组件棒流致振动可视化实验研究(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
40
期数:
2019年08期
页码:
1427-1432
栏目:
出版日期:
2019-08-05

文章信息/Info

Title:
Visualization of flow-induced vibration of fuel-related assembling rod
作者:
刘鹏亮12 李鑫3 李东阳3 陈飙松1 谭思超3
1. 大连理工大学 运载工程与力学学部, 辽宁 大连 116024;
2. 中广核研究院有限公司, 广东 深圳 518031;
3. 哈尔滨工程大学 核科学与技术学院, 黑龙江 哈尔滨 115001
Author(s):
LIU Pengliang12 LI Xin3 LI Dongyang3 CHEN Biaosong1 TAN Sichao3
1. Dalian University of Technology, Dalian 116024, China;
2. China Nuclear Power Technology Research Institute Co., Ltd., Shenzhen 518031, China;
3. College of Nuclear Science and Technology, Harbin Engineering University, Harbin 150001, China
关键词:
悬臂梁流致振动极小环隙大长径比可视化测量轴向外流位移响应干模态
分类号:
O353.1
DOI:
10.11990/jheu.201804086
文献标志码:
A
摘要:
悬臂梁在反应堆系统当中是常见结构,悬臂组件棒在冷却剂轴向外流冲刷下会发生湍流激振现象,有害的振动将威胁到相关结构的完整性,而目前对大长径比组件棒在极小环隙下的流致振动特性缺乏有效的测量手段。为了解决对大长径比组件棒在极小环隙下的流致振动特性的测量问题,本文提出了可视化测量方法,使用了高速相机对悬臂梁轴向外流流致振动特性进行研究。通过外部施加单点激励单点拾振的方式,得到了相关组件棒的干模态参数,同时使用2台相机同步拍摄获得了组件棒的二维运动轨迹;实验结果表明:棒的自由端振动相较于固定端更剧烈;低流速时,棒的振幅随着流速增大而增大,振幅在0.2 mm以下,而高流速时,棒存在接触壁面的情况,使得棒振幅减小。

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备注/Memo

备注/Memo:
收稿日期:2018-4-24。
作者简介:刘鹏亮,男,高级工程师;李鑫,男,博士研究生;李东阳,男,讲师.
通讯作者:李东阳,E-mail:lidy@hrbeu.edu.cn.
更新日期/Last Update: 2019-08-05