压力容器2025，Vol.42Issue(9)：7-15,9.DOI:10.3969/j.issn.1001-4837.2025.09.002
基于捆绑塔器的双圆柱耦合风致振动研究
Coupled wind-induced vibrations of dual cylinders based on bundled tower configurations
摘要
Abstract
In recent years,a new type of bundled tower equipment has emerged in the field of coal chemical production,where the vent stack and tower are connected by multiple steel supports.Under wind load,the coupled vibration between the bundled tower equipment and vent stack is complex,and the evaluation of wind-induced vibration response proves to be difficult.In this study,wind-induced vibration experiments of dual cylinders with unequal diameters under elastic support and frame constraint conditions were conducted.The vibration characteristics at various wind speeds were systematically obtained,and the evolution process of vibration modes was quantified,revealing the effects of wind speed variation on vibration intensity,frequency coupling,and collision behavior.The results indicate that under elastic support,at wind speeds ranging from 2.5 to 6 m/s,the intense vibration of the small cylinder dominates the system response.When the wind speed increases to the range of 7～10 m/s,the vibration amplitude of the large cylinder gradually increases and becomes the dominant factor of the system vibration.Under frame constraint conditions,the vibration response is weaker but exhibits a complex multi-stage evolution process.As the wind speed increases,the system undergoes a transition from independent vibration and intermittent collision to overall synchronous vibration,with the vibration modes significantly affected by nonlinear collision and structural coupling.At high wind speeds,the nonlinear coupling effect gradually dominates the vibration response.The study suggests that the design of bundled tower equipment should fully consider the nonlinear coupled vibration and its dependence on wind speed.关键词
捆绑塔器/风致振动/耦合振动Key words
bundled tower/wind-induced vibration/coupled vibration分类
机械制造引用本文复制引用
杨何伟,唐博文,谭蔚..基于捆绑塔器的双圆柱耦合风致振动研究[J].压力容器,2025,42(9):7-15,9.基金项目
国家自然科学基金项目(22478286) （22478286）
