螺旋桨弹性对推进轴系纵向振动特性影响研究

楼京俊; 张阳阳; 朱石坚

doi:10.13433/j.cnki.1003-8728.2017.1108

螺旋桨弹性对推进轴系纵向振动特性影响研究

doi: 10.13433/j.cnki.1003-8728.2017.1108

楼京俊^1,2,
张阳阳^1,2,
朱石坚^1,2

1.
海军工程大学动力工程学院, 武汉 430033;
2.
海军工程大学船舶振动噪声重点实验室, 武汉 430033

基金项目:

国家自然科学基金青年基金项目（51509253）资助

详细信息

作者简介:
楼京俊(1976-),教授,博士,研究方向为舰船动力装置振动噪声控制,loujingjun@hotmail.com

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- 文章访问数: 248
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- 被引次数: 0
出版历程
- 收稿日期: 2016-05-06
- 刊出日期: 2017-11-05

Impact of Propeller Elasticity on Longitudinal Vibration Characteristics of Propulsion Shafting

1.
College of Power Engineering, Naval University of Engineering, Wuhan 430033, China;
2.
National Key Laboratory on Ship Vibration and Noise, Naval University of Engineering, Wuhan 430033, China

摘要

摘要: 针对当前研究中多数模型未考虑螺旋桨弹性的问题，建立梁-弹簧振子构成的简化螺旋桨模型，分析螺旋桨不同简化方式对轴系纵向振动计算结果的影响，并进一步研究螺旋桨伞状模态频率与轴系纵振模态频率的关系对轴系纵振的影响。结果表明：螺旋桨伞状模态在轴系纵向振动中有明显体现；螺旋桨一阶伞状模态主要影响轴系前两阶纵向振动频率处的振动峰值；螺旋桨二阶伞状模态主要影响轴系第二阶纵向振动频率处的振动峰值；螺旋桨二阶伞状模态频率与轴系反共振频率接近时，能有效降低推力轴承处的振动功率流。
- 伞状模态 /
- 纵向振动 /
- 力传递率 /
- 功率流
Abstract: Most existing studies did not consider the elasticity of propeller. A simplified model of propeller composed of beam and spring oscillator is constructed. The impact of different simplified modes of propeller on the longitudinal vibration of propulsion shafting is analyzed and the impact of the relationship between umbrella modes frequency of propeller and longitudinal vibration modal frequency of shafting is studied. The results show that the umbrella modes of propeller have distinct embodiment in longitudinal vibration of shafting. The first umbrella modal frequency of propeller has an important impact on the shafting vibration of the first two longitudinal modal frequencies. The second umbrella modal frequency of propeller can obviously affect the shafting vibration of the second longitudinal modal frequency. The vibration power flow of thrust bearing base will be reduced when the second umbrella modal frequency of propeller is close to the anti-resonance frequency of shafting.
- umbrella mode /
- longitudinal vibration /
- force transmissibility /
- power flow

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参考文献(15)

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