基于螺旋桨非稳态运行下振动特性研究
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- 英文论文题名：The study on vibration characteristic based on unsteady state condition on propeller
- 论文作者：吴武辉 ; 王冠
- 英文论文作者：WU Wu-hui ; WANG Guang ; National Key Laboratory on Ship Vibration & Noise ; China Ship Development and Design Center
- 年：2016
- 作者机构：船舶振动噪声重点实验室中国舰船研究设计中心;
- 论文关键词：螺旋桨空化 ; 模态参数识别 ; 工程测试法 ; 振动特性
- 英文论文关键词：propeller cavitation ; modal parameter identification ; engineering test method ; vibration characteristic
- 会议召开时间：2016-09-17
- 会议录名称：2016年度声学技术学术会议论文集
- 语种：中文
- 分类号：U661.44;U664.33
- 学会代码：SXJS
- 会议名称：2016年度声学技术学术会议
- 会议地点：中国湖北武汉
- 主办单位：船舶振动噪声重点实验室、湖北省声学学会
- 学会名称：《声学技术》编辑部
- 页数：4
- 文件大小：537k
- 原文格式：D
- 会议级别：全国
摘要
采用工程模态测试的方法,识别了两种桨型在水介质中各桨叶的模态参数及其之间的差异;通过工程测试方法,对1:2缩比试验模型在螺旋桨非空化与空化两种状态下的频谱特性做了对比分析,明确了空化状态下螺旋桨叶频及其固有频率的诱发特性;模拟了实船高速航行时试验模型脱桨停车滑行的运行状态,分析了试验模型结构在脱桨停车滑行状态下的振动时频特性,明确了恒幅与变幅特征频率的诱因。
The different modal parameter has been identified between two propeller in water by engineering modal parameter identification method;Vibration frequency-spectrum characteristic has been contrast analyzed between unsteady state operation condition and steady state operation condition on the 1:2 modal of propeller,the inducing characteristic has been identified to vane frequency and inherent frequency on the unsteady state operation condition;The condition on sliding of disengaged propeller has been simulated for test modal at high speed shipping,vibration characteristic on time-frequency-spectrum has been analyzed on the structure of test modal,inducement has been identified to constant value frequency and diverse value frequency。
The different modal parameter has been identified between two propeller in water by engineering modal parameter identification method;Vibration frequency-spectrum characteristic has been contrast analyzed between unsteady state operation condition and steady state operation condition on the 1:2 modal of propeller,the inducing characteristic has been identified to vane frequency and inherent frequency on the unsteady state operation condition;The condition on sliding of disengaged propeller has been simulated for test modal at high speed shipping,vibration characteristic on time-frequency-spectrum has been analyzed on the structure of test modal,inducement has been identified to constant value frequency and diverse value frequency。
引文
[1]吴武辉,基于实船复合材料螺旋桨模态参数识别研究.[J].声学技术,2015 34(2)Wu Wuhui.Parameters identifying research of composite materials propeller based on real ship[J].,Technical Acoustics,2015 34(2).
[2]车永刚,螺旋桨空化噪声谱模型及结构特征.[J].哈尔滨工程大学学报,2010 31(7):1006-7043.Che Yonggang,Interpreting features of a propeller’s cavitation spectrum[J].,Journal of Harbin Engineering University2010 31(7):1006-7043.
[3]吴武辉,1:2缩比模型螺旋桨动强度振动噪声分析报告.Wu Wuhui.Vibration and noise analysis report for 1:2 scale model propeller.
[4]吴武辉,基于实船尾部结构振动噪声源分析报告.Wu Wuhui.Vibration and noise source analysis report for tail structure of real ship.
[5]黄其柏.工程噪声控制学,华中理工大学出版社,1999:91-105Huang Qibai.The Control Science of Engineering Noise[M],Huazhong University of Science&Technology Publishing House,1999:91-105
[6]张义民.机械振动力学.吉林科技出出版社,2000.8.Zhang Yimin.The vibration mechanics for machine[M].Jilin Science&Technology Publishing House,2000.8
[7]杨琼方.不均匀伴流场中螺旋桨空化的黏性流数值模拟和低频噪声预报.[J].声学学报,2012 37(6):25-38.Yang Qiongfang.Propeller cavitation viscous simulation and low-frequency noise prediction with non-uniform inflow[J].Acta Acustica,2012 37(6):25-38.
[2]车永刚,螺旋桨空化噪声谱模型及结构特征.[J].哈尔滨工程大学学报,2010 31(7):1006-7043.Che Yonggang,Interpreting features of a propeller’s cavitation spectrum[J].,Journal of Harbin Engineering University2010 31(7):1006-7043.
[3]吴武辉,1:2缩比模型螺旋桨动强度振动噪声分析报告.Wu Wuhui.Vibration and noise analysis report for 1:2 scale model propeller.
[4]吴武辉,基于实船尾部结构振动噪声源分析报告.Wu Wuhui.Vibration and noise source analysis report for tail structure of real ship.
[5]黄其柏.工程噪声控制学,华中理工大学出版社,1999:91-105Huang Qibai.The Control Science of Engineering Noise[M],Huazhong University of Science&Technology Publishing House,1999:91-105
[6]张义民.机械振动力学.吉林科技出出版社,2000.8.Zhang Yimin.The vibration mechanics for machine[M].Jilin Science&Technology Publishing House,2000.8
[7]杨琼方.不均匀伴流场中螺旋桨空化的黏性流数值模拟和低频噪声预报.[J].声学学报,2012 37(6):25-38.Yang Qiongfang.Propeller cavitation viscous simulation and low-frequency noise prediction with non-uniform inflow[J].Acta Acustica,2012 37(6):25-38.