| 叶盘结构受迫振动响应特性和主动失谐技术实验研究 |
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| 引用本文： | 赵志彬,贺尔铭,陈熠,张钊,王红建. 叶盘结构受迫振动响应特性和主动失谐技术实验研究[J]. 西北工业大学学报, 2011, 29(6): 892-897 |
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| 作者姓名： | 赵志彬 贺尔铭 陈熠 张钊 王红建 |
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| 作者单位： | 西北工业大学航空学院,陕西西安,710072 |
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| 基金项目： | 国家自然科学基金(50775181); 西北工业大学基础研究基金(JC20110237)资助 |
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| 摘 要： | 文章开展了失谐叶盘结构受迫振动响应特性及叶片主动失谐技术的实验研究.基于12叶片谐调叶盘结构的叶尖质量调节方法,分别实现了两组典型的叶片随机失谐形式和两组典型的叶片主动失谐形式,在叶片根部施加行波激振力,对随机失谐叶盘结构的受迫响应振动局部化进行了实验研究,并初步验证了叶片主动失谐技术对随机失谐的抑制能力；总结了失谐对叶盘结构受迫振动响应特性的影响规律,实验结果与有限元仿真结果吻合较好.
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| 关 键 词： | 叶盘结构 随机失谐 振动局部化 振幅放大因子 主动失谐 |
A Successful Experimental Investigation on the Forced Response of Random and Intentional Mistuning Bladed Disks |
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| Zhao Zhibin , He Erming , Chen Yi , Zhang Zhao , Wang Hongjian. A Successful Experimental Investigation on the Forced Response of Random and Intentional Mistuning Bladed Disks[J]. Journal of Northwestern Polytechnical University, 2011, 29(6): 892-897 |
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| Authors: | Zhao Zhibin He Erming Chen Yi Zhang Zhao Wang Hongjian |
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| Affiliation: | (College of Aeronautics,Northwestern Polytechnical University,Xi′an 710072,China) |
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| Abstract: | Aim.The introduction of the full paper reviews a number of relevant papers in the open literature and then proposes the experimental investigation mentioned in the title,which we believe is successful and which is fully explained in sections 1 through 3.Their core consists of: The results of an experimental investigation on the effects of random blade mistuning on the forced response of bladed disks and intentional blade mistuning are reported.By adding small blocks with different weights to the blade tips ... |
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| Keywords: | aircraft engines analysis disks(structural components) experiments finite element method models random processes resonance simulation turbomachine blades vibrations(mechanical) random mistuning vibration localization amplitude magnification factor intentional mistuning |
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