| Citation: | SONG Mingbo, YAN Ping, WANG Xu, et al. Exploration of maximum unbalance of a turboshaft engine according to airworthiness requirements[J]. Journal of Aerospace Power, 2023, 38（6）：1467-1473 doi: 10.13224/j.cnki.jasp.20220764
|
Taking a domestic independently-developed civil turboshaft engine in development as the object, the maximum unbalance exploration research based on airworthiness requirements was carried out. The deterioration of unbalance during the first TBO of an in-service turboshaft engine was statistically analyzed, finding this turboshaft engine had the same configuration and the same magnitude with this one researched in this paper. The deterioration of unbalance in normal service of this turboshaft engine was 20−70 g·mm, and in those rare cases it reached above 80 g·mm, close to 100 g·mm. On this basis, the unbalance response of the turboshaft engine was analyzed based on the short bearing π oil film model, and the maximum unbalance exploratory experiment was carried out both on a rotor test device and an engine test device. The calculation and experiment results showed that, the engine could work stably at all speeds in normal service unbalance deterioration (70 g·mm); under special cases, when the unbalance reached and exceeded 100 g·mm, the engine vibrated seriously, especially when the unbalance was of out-of-phase distribution, the engine vibrated violently during the 2st critical speed region. The vibration speed range was wider, and the engine could not work properly.
| [1] |
顾家柳. 转子动力学[M]. 北京: 国防工业出版社, 1985.
|
| [2] |
SINGIRESU S R. 机械振动[M]. 李欣业, 译. 北京: 清华大学出版社, 2009.
|
| [3] |
廖明夫. 航空发动机转子动力学[M]. 西安: 西北工业大学出版社, 2015.
|
| [4] |
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. doi: 10.3969/j.issn.1672-3147.2013.05.001
LIU Yongquan,WANG Deyou,HONG Jie,et al. Analysis of whole aeroengine vibration control technology[J]. Aeroengine,2013,39(5): 1-8. (in Chinese) doi: 10.3969/j.issn.1672-3147.2013.05.001
|
| [5] |
艾延廷,周海仑,孙丹,等. 航空发动机整机振动分析与控制[J]. 沈阳航空航天大学学报,2015,32(5): 1-25. doi: 10.3969/j.issn.2095-1248.2015.05.001
AI Yanting,ZHOU Hailun,SUN Dan,et al. Study on the control of the whole aero-engine vibration[J]. Journal of Shenyang Aerospace University,2015,32(5): 1-25. (in Chinese) doi: 10.3969/j.issn.2095-1248.2015.05.001
|
| [6] |
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. doi: 10.13224/j.cnki.jasp.2014.07.001
LIAO Mingfu,TAN Dali,Geng Jianming,et al. Structure dynamics design method of aero-engine high pressure rotor[J]. Journal of Aerospace Power,2014,29(7): 1505-1519. (in Chinese) doi: 10.13224/j.cnki.jasp.2014.07.001
|
| [7] |
付才高, 郑大平. 航空发动机设计手册: 第19册 转子动力学及整机振动[M]. 北京: 航空工业出版社, 2000.
|
| [8] |
哈托·施耐德. 平衡技术理论与实践[M]. 廖日岳, 译. 北京: 机械工业出版社, 1981.
|
| [9] |
汪俊熙,任家海,汤福龙. 航空发动机高压转子模拟平衡工艺分析与控制[J]. 航空动力学报,2023,38(3): 522-534. doi: 10.13224/j.cnki.jasp.20210460
WANG Junxi,REN Jiahai,TANG Fulong. Analysis and control of dummy balance process of aero-engine high pressure rotor[J]. Journal of Aerospace Power,2023,38(3): 522-534. (in Chinese) doi: 10.13224/j.cnki.jasp.20210460
|
| [10] |
孙贵青,马峰,余治国,等. 某发动机高压转子平衡工艺问题分析与排除[J]. 航空制造技术,2020,63(16): 95-101. doi: 10.16080/j.issn1671-833x.2020.16.095
SUN Guiqing,MA Feng,YU Zhiguo,et al. Analysis and elimination of high-pressure rotor balancing process problems[J]. Aeronautical Manufacturing Technology,2020,63(16): 95-101. (in Chinese) doi: 10.16080/j.issn1671-833x.2020.16.095
|
| [11] |
中国国家标准委员会. 机械振动 恒态(刚性)转子平衡品质要求: 第一部分 规范与平衡允差的检验: GB/T 9239.1[S]. 北京: 中国标准出版社, 2006: 5-13.
|
| [12] |
顾永根, 刘光浩, 褚云程, 等. 航空发动机设计手册: 第6册 涡桨及涡轴发动机总体[M]. 北京: 航空工业出版社, 2001.
|
| [13] |
石炜,温卫东,崔海涛. 榫连接结构微动疲劳寿命研究[J]. 航空动力学报,2014,29(1): 104-110. doi: 10.13224/j.cnki.jasp.2014.01.013
SHI Wei,WEN Weidong,CUI Haitao. Research on fretting fatigue life of dovetail joints[J]. Journal of Aerospace Power,2014,29(1): 104-110. (in Chinese) doi: 10.13224/j.cnki.jasp.2014.01.013
|
| [14] |
洪杰,徐筱李,梁天宇,等. 转子结构系统界面失效分析及稳健设计方法[J]. 航空动力学报,2018,33(3): 649-656. doi: 10.13224/j.cnki.jasp.2018.03.018
HONG Jie,XU Xiaoli,LIANG Tianyu,et al. Interface failure analysis and robust design method in rotor structural system[J]. Journal of Aerospace Power,2018,33(3): 649-656. (in Chinese) doi: 10.13224/j.cnki.jasp.2018.03.018
|
| [15] |
宋明波,夏商周,赵海凤,等. 典型燃气发生器转子平衡状态与振动特性分析[J]. 航空发动机,2021,47(2): 79-83. doi: 10.13477/j.cnki.aeroengine.2021.02.014
SONG Mingbo,XIA Shangzhou,ZHAO Haifeng,et al. Analysis on balancing state and vibration characteristics of a typical gas generator rotor[J]. Aeroengine,2021,47(2): 79-83. (in Chinese) doi: 10.13477/j.cnki.aeroengine.2021.02.014
|
| [16] |
刘展翅,廖明夫,丛佩红,等. 航空发动机转子挤压油膜阻尼器设计方法[J]. 航空动力学报,2015,30(11): 2762-2770. doi: 10.13224/j.cnki.jasp.2015.11.026
LIU Zhanchi,LIAO Mingfu,CONG Peihong,et al. Design method of squeeze film damper for aero-engine rotors[J]. Journal of Aerospace Power,2015,30(11): 2762-2770. (in Chinese) doi: 10.13224/j.cnki.jasp.2015.11.026
|
| [17] |
刘展翅,廖明夫,丛佩红,等. 挤压油膜阻尼器非线性特性实验研究[J]. 机械科学与技术,2016,35(1): 23-28. doi: 10.13433/j.cnki.1003-8728.2016.0104
LIU Zhanchi,LIAO Mingfu,CONG Peihong,et al. Experimental investigation of a rotor bearing system with non-linear squeeze film damper[J]. Mechanical Science and Technology for Aerospace Engineering,2016,35(1): 23-28. (in Chinese) doi: 10.13433/j.cnki.1003-8728.2016.0104
|
| [18] |
中国民用航空总局. 中国民用航空规章 航空发动机适航规定: CCAR33-R2[S]. 北京: 中国民用航空总局, 2011: 18-19.
|
| [19] |
Department of Transportation Federal Aviation Administration. AC 33.63-1: turbine engine vibration[EB/OL]. [2022-09-10]. https://www.faa.gov/regulations_policies/advisory_circulars/index.cfm/go/document.information/documentID/73480.
|
| [20] |
盛骤. 概率论与数理统计[M]. 北京: 高等教育出版社, 2008.
|
DownLoad:
