整体叶盘,振幅,响应特性,频率," /> 整体叶盘,振幅,响应特性,频率,"/> blisk,amplitude,response characteristic,frequency,"/> <p class="MsoNormal"> 激振力阶次对整体叶盘振动影响分析
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沈阳化工大学学报, 2022, 36(6): 535-539    doi: 10.3969/j.issn.2095-2198.2022.06.010
  机械工程 本期目录 | 过刊浏览 | 高级检索 |

激振力阶次对整体叶盘振动影响分析

沈阳化工大学 化学工程学院,辽宁 沈阳 110142;

沈阳化工大学 机械动力工程学院,辽宁 沈阳 110142

Analysis of the Influence of Exciting Force Order on the Vibration of Blisk

(Shenyang University of Chemical Technology, Shenyang 110142, China)

(Shenyang University of Chemical TechnologyShenyang 110142China)

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摘要 

基于叶片-轮盘结构的集中质量整体模型,研究不同激振力阶次对循环结构整体叶盘的受迫振动影响.根据机械振动计算与分析方法,建立循环对称结构的整体叶盘振动方程,并应用MATLAB软件对不同激振力阶次下的循环对称结构整体叶盘进行数值模拟,绘制循环对称结构整体叶盘在各激振力阶次下的叶片受迫振动响应特性曲线.结果表明:在叶盘模型所设定的叶片数量、耦合强度、阻尼比条件下,改变激振力阶次对循环对称结构整体叶盘的共振频率产生较小的影响,不同激振力阶次下的共振区间没有发生较大的变化;激振力阶次由低阶向高阶递增,使循环对称结构整体叶盘的振幅依次递减.

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关键词:  整体叶盘')" href="#">

整体叶盘  振幅  响应特性  频率    

Abstract: 

Based on the lumped mass integral model of blade disk structurethe effects of different excitation force orders on the forced vibration response of integral blade disk of cyclic structure are studied.According to the mechanical vibration calculation and analysis methodthe vibration equation of the integral blade disk of the cyclic symmetric structure is establishedand the numerical simulation of the integral blade disk of the cyclic symmetric structure under different excitation force orders is carried out by using MATLAB softwareand the forced vibration response characteristic curve of the integral blade disk of the cyclic symmetric structure under each excitation force order is drawn.The results show that under the specified number of bladescoupling conditions and damping conditions set by the disk modelchanging the order of excitation force has little effect on the overall disk resonance frequency of cyclic symmetric structureand the resonance interval under different order of excitation force does not change greatly.In the process of increasing the order of excitation force from low order to high orderthe amplitude of the integral blade disk of cyclic symmetric structure will decrease in turn.

Key words:  blisk')" href="#">

blisk    amplitude    response characteristic    frequency

               出版日期:  2022-12-31      发布日期:  2024-06-06      整期出版日期:  2022-12-31
ZTFLH: 

V232.2

 
基金资助: 

国家自然科学基金项目(12002219); 辽宁省教育厅一般项目(LQ2019008)

通讯作者:  党鹏飞   
作者简介:  卞天天(1996—),男,辽宁沈阳人,硕士研究生在读,主要从事转子动力学及故障诊断的研究.
引用本文:    
卞天天, 杨铮鑫, 党鹏飞.

激振力阶次对整体叶盘振动影响分析 [J]. 沈阳化工大学学报, 2022, 36(6): 535-539.
BIAN Tian-tian, YANG Zheng-xin, DANG Peng-fei.

Analysis of the Influence of Exciting Force Order on the Vibration of Blisk . Journal of Shenyang University of Chemical Technology, 2022, 36(6): 535-539.

链接本文:  
https://xuebao.syuct.edu.cn/CN/10.3969/j.issn.2095-2198.2022.06.010  或          https://xuebao.syuct.edu.cn/CN/Y2022/V36/I6/535

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