航空发动机转子振动的“热模态”和减振设计

廖明夫; 丛佩红; 王娟; 何云; 高雄兵; 宋明波

doi:10.13224/j.cnki.jasp.2015.05.014

航空发动机转子振动的“热模态”和减振设计

doi: 10.13224/j.cnki.jasp.2015.05.014

1. 西北工业大学动力与能源学院, 西安 710072;
2. 中国航空工业集团沈阳发动机设计研究所, 沈阳 110015;
3. 中国航空工业集团中国燃气涡轮研究院, 成都 610500

详细信息

作者简介:
廖明夫(1960-),男,陕西富县人,教授、博士生导师,博士,主要从事转子动力学、旋转机械故障诊断、风力发电研究.

中图分类号: V231.96
计量
- 文章访问数: 1001
- HTML浏览量: 1
- PDF量: 747
- 被引次数: 0
出版历程
- 收稿日期: 2013-12-04
- 刊出日期: 2015-05-28

"Hot modes" of rotor vibrations and vibration reduction design for aero-engines

1. School of Power and Energy, Northwestern Polytechnical University, Xi'an 710072;
2. Shenyang Engine Design and Research Institute, Aviation Industry Corporation of China, Shenyang 110015, China;
3. China Gas Turbine Establishment, Aviation Industry Corporation of China, Chengdu 610500, China

摘要

摘要: 为适应航空发动机变转速变工况下转子动力学设计,提出了航空发动机转子"热模态"的概念.利用两种模型解释了"热模态"的含义,并建立了"热模态"下转子动力学设计的方法.利用支承弹性转子(弹支转子)的临界转速与支承刚性转子(刚支转子)的临界转速之比作为优化参数,对转子进行优化设计,既包含了刚度的作用,也计及了质量的影响.结果表明:若所有"热模态"均在刚支转子的第1阶模态之下,则转子临界转速应尽量小于刚支转子的第1阶临界转速.若第1阶"热模态"在刚支转子第1阶模态之下,而第2阶"热模态"在刚支转子第1阶模态之上,但在刚支转子第2阶模态之下,则转子第2阶临界转速应取刚支转子第2阶临界转速和刚支转子第1阶临界转速之方均根值.除此之外,转子剩余不平衡量的分布应与刚支转子的模态正交.
- 航空发动机 /
- 转子 /
- 转子动力学设计 /
- 热模态 /
- 减振
Abstract: A concept of "hot modes" of aero-engines rotor was put forward to adapt to the design of rotor dynamics for variable speed operation of aero-engines. The "hot modes" were explained with two different models, and a procedure of rotor dynamics design under "hot modes" was developed. The ratios of critical speeds of rotor with elastic supports to those of the rotor with rigid supports were taken as design parameters for dynamic optimization of the rotor, which involved the influences of stiffness, mass of the rotor. Result shows that, when all "hot modes" are under the first mode of rotor with rigid supports, the critical speeds of the rotor should be lower than the first critical speed of the rotor with rigid supports. If the first "hot modes" under the first mode of rotor with rigid supports, and the second "hot modes" is between the first and the second modes of rotor with rigid supports, the second critical speed should be equal to the root mean square of the first and the second critical speeds of the rotor with rigid supports. Additionally, it is suggested that the residual imbalance should be kept orthogonal to the modes of the rotor with rigid supports.
- aero-engines /
- rotor /
- rotor dynamic design /
- hot modes /
- vibration reduction

HTML

参考文献(18)

[1]	刘永泉, 王德友, 洪杰, 等.航空发动机整机振动控制技术分析[J].航空发动机, 2013, 39(5):1-8. LIU Yongquan, WANG Deyou, HONG Jie, et al.Analysis of whole aeroengine vibration control technology[J].Aeroengine, 2013, 39(5):1-8.(in Chinese)
[2]	朱梓根, 刘廷毅, 陈光, 等.航空涡喷、涡扇发动机结构设计准则:第六册转子系统[M].北京:中国航空工业总公司发动机系统工程局, 1997.
[3]	Gunter E J.Optimum bearing and support damping for unbalance response and stability of rotating machinery[J].Journal of Engineering for Power, 1978, 100(1):1-6.
[4]	Vance J M.Rotordynamics of turbomachinery[M].New York:Wiley & Sons Incorporated, 1987.
[5]	Vance J M, Zeidan F, Murphy B.Machinery vibration and rotordynamics[M].New York:John Wiley & Sons Incorporated, 2010.
[6]	Gasch R, Nordmann R, Pfuetzner H.Rotordynamik[M].Berlin:Springer Verlag, 2002.
[7]	廖明夫, 于潇, 王四季, 等.双转子系统的振动[J].机械科学与技术, 2013, 32(4):475-480. LIAO Mingfu, YU Xiao, WANG Siji, et al.The vibration features of a twin spool rotor system[J].Mechanical Science and Technology for Aerospace Engineering, 2013, 32(4):475-480.(in Chinese)
[8]	廖明夫, 刘永泉, 王四季, 等.中介轴承对双转子振动的影响[J].机械科学与技术, 2013, 32(5):641-646. LIAO Mingfu, LIU Yongquan, WANG Siji, et al.The vibration features of a twin spool rotor system with a inter-bearing[J].Mechanical Science and Technology for Aerospace Engineering, 2013, 32(5):641-646.(in Chinese)
[9]	廖明夫, 谭大力, 耿建明, 等.航空发动机高压转子的结构动力学设计方法[J].航空动力学报, 2014, 29(7):1505-1519. LIAO Mingfu, TAN Dali, GENG Jianming.Structure dynamics design method of an aero-engine high pressure rotor[J].Journal of Aerospace Power, 2014, 29(7):1505-1519.(in Chinese)
[10]	廖明夫, 汪玉, 谭大力.转子进动分析的4个定理[J].航空动力学报, 2008, 23(2):281-285. LIAO Mingfu, WANG Yu, TAN Dali.4 theorems on whirl transform of rotor vibration[J].Journal of Aerospace Power, 2008, 23(2):281-285.(in Chinese)
[11]	王四季, 廖明夫, 刘永泉, 等.航空发动机轴承外环装配工艺引起的转子系统非线性振动[J].航空动力学报, 2015, 30(1):82-89. WANG Siji, LIAO Mingfu, LIU Yongquan, et al.Nonlinear vibration of rotor systems caused by assembly processof a bearing outer ring of an aero-engine[J].Journal of Aerospace Power, 2015, 30(1):82-89.(in Chinese)
[12]	王四季, 廖明夫, 杨伸记.主动式弹支干摩擦阻尼器控制转子振动的实验[J].航空动力学报, 2007, 22(11):1893-1897. WANG Siji, LIAO Mingfu, YANG Shenji.Experimental investigation on vibration control by elastic support/dry friction damper[J].Journal of Aerospace Power, 2007, 22(11):1893-1897.(in Chinese)
[13]	LIAO Mingfu, SONG Mingbo, WANG Siji.Active elastic support/dry friction damper with piezoelectric ceramic actuator[J].Shock and Vibration, 2014, 2014:1-10.
[14]	顾家柳.转子动力学[M].北京:国防工业出版社, 1985.
[15]	闻邦椿, 顾家柳, 夏松波, 等.高等转子动力学[M].北京:机械工业出版社, 1999.
[16]	黄文虎, 夏松波, 焦映厚, 等.旋转机械非线性动力学[M].北京:科学出版社, 2006.
[17]	JIANG Yunfan, LIAO Mingfu, WANG Siji:The design of counter-rotating dual rotor experimental apparatus[C]//2012 Proceeding of 4th International Symposium on Jet Propulsion and Power Engineering(ISJPPE).Xi'an:ISJPPE, 2012:467-472.
[18]	廖明夫, 王四季.航空发动机柔性转子动平衡方法[J].噪声与振动控制, 2011, 31(6):91-94. LIAO Mingfu, WANG Siji.Study of balancing method of aero-engine flexible rotors[J].Noise and Vibration Control, 2011, 31(6):91-94.(in Chinese)