重型燃气轮机拉杆组合转子热瞬变振动特性研究

PDF(1231 KB)

振动与冲击 ›› 2024, Vol. 43 ›› Issue (10) : 285-291.

论文

高进，黄涛，龚军军，赵仕志，艾松

作者信息 +

Thermal transient vibration characteristics of a heavy duty gas turbine rod-fastened rotor

GAO Jin， HUANG Tao， GONG Junjun， ZHAO Shizhi， AI Song

Author information +

文章历史 +

摘要

重型燃气轮机冷态启动的稳速升负荷阶段，常出现轮盘间径向变形不协调导致的相对滑移，拉杆组合转子会发生振动随燃气轮机转子温度的增加而显著变化的热瞬变振动现象。本文建立了周向拉杆组合转子平面摩擦带止口配合结构轮盘相对滑移的力学模型，包括平面摩擦、周向拉杆和止口与轮盘相对滑移的力学模型。以某型重型燃气轮机拉杆组合转子为研究对象，对其冷态启动过程中出现的热瞬变振动进行了分析，根据轮盘相对滑移的规律，通过减小轮盘间的变形不协调，并适当增加止口配合的过盈量的方法，成功优化了该重型燃气轮机拉杆组合转子冷态启动过程中的热瞬变振动。

Abstract

During the load increase with constant speed of heavy gas turbine cold start stage, there is often relative slip caused by inconsistency radial deformation between the discs, the rod-fastened rotor will experience thermal transient vibration, which significantly changes with the increase of gas turbine rotor temperature. The mechanical model of relative slip between discs of the circumferential rod-fastened rotor with plane friction and spigot is established, which includes the mechanical model for plane friction, circumferential rod and spigot. The thermal transient vibration a certain type of heavy-duty gas turbine rod-fastened rotor that occurred during its cold start process was analyzed. Based on the relative slip law of the wheel discs, the thermal transient vibration of the heavy-duty gas turbine rod-fastened during cold start was successfully optimized by reducing the inconsistency radial deformation between the discs and appropriately increasing the spigot interference.

导出引用

高进，黄涛，龚军军，赵仕志，艾松. 重型燃气轮机拉杆组合转子热瞬变振动特性研究[J]. 振动与冲击, 2024, 43(10): 285-291

GAO Jin， HUANG Tao， GONG Junjun， ZHAO Shizhi， AI Song . Thermal transient vibration characteristics of a heavy duty gas turbine rod-fastened rotor[J]. Journal of Vibration and Shock, 2024, 43(10): 285-291

参考文献

[1] 袁奇，高进，李浦，刘洋，等. 重型燃气轮机转子结构及动力学特性研究综述[J]. 热力透平，2013, 42(04):294-301. YUAN Qi, GAO Jin, LI Pu, et al. Review for structure and dynamic characteristics of heavy-duty gas turbine rotor [J]. Thermal Turbine, 2013, 42(4):294-301. [2] Oh J, Kim B J, Palazzolo A. Three-dimensional solid finite element contact model for rotordynamic analysis: experiment and simulation[J]. ASME Journal of Vibration and Acoustics. 2021, 143(3): 031007. [3] Xie W, Liu C, Huang G, et al. Numerical and experimental study on rod-fastened rotor dynamics using semi-analytical elastic-plastic model[J]. Journal of Engineering for Gas Turbines and Power, 2022, 144(6): 064501. [4] Li P, Yuan Q. Determination of contact stiffness and damping of a tie-bolt rotor with interference fits using model updating with thin-layer elements[J]. Shock and Vibration, 2020, 2020: 1-10. [5] Kim B J, Oh J, Palazzolo A. Test and theory for a refined structural model of a hirth coupling[J]. Journal of Engineering for Gas Turbines and Power, 2022, 144(3): 031027. [6] Kim B J, Oh J, Palazzolo A. An improved preloaded curvic coupling model for rotordynamic analyses[J]. Journal of Sound and Vibration, 2023, 544(1): 117391. [7] Yu P, Li L, Chen G, et al. Dynamic modelling and vibration characteristics analysis for the bolted joint with spigot in the rotor system[J]. Applied Mathematical Modelling, 2021, 94(1): 306-331. [8] Zhang H, Liu Y, Huang X. Nonlinear dynamic performance of a bolt-disc rotor with the position error of circumferential bolt-holes[J]. Shock and Vibration, 2021, 2021: 6639375. [9] 张海波，王奇丹，刘意，等. 对中缺陷对拉杆组合转子的动力学影响[J]. 振动与冲击，2021, 40(10):166-173. ZHANG Haibo, WANG Qidan, LIU Yi, et al. Dynamic influences of centration defect on a bolt-disk rotor [J]. Journal of Vibration and Shock, 2021, 40(10):166-173. [10] Yuan Q, Gao J, Li P. Nonlinear dynamics of the rod-fastened Jeffcott rotor[J]. ASME Journal of Vibration and Acoustics, 2014, 136(2):021011. [11] 高进，祁乃斌，郭勇，等. 燃气轮机周向拉杆转子弯曲故障动力学特性研究[J]. 东方电气评论，2018, 32(2):44-49. GAO Jin, QI Naibin,GUO yong, et al. Study on dynamic characteristics of gas turbine rod-fastened rotor with initial bow [J]. Dongfang Electric Review, 2018, 32(2):44-49. [12] 徐宁，刘占生，董延阳等. 转子热致振动现象的瞬态响应特性研究[J]. 振动与冲击，2015, 34(19):163-170. XU Ning, LIU Zhan-sheng, DONG Yan-yang, et al. Transient response characteristics of rotor thermal-induced vibrations [J]. Journal of Vibration and Shock, 2015, 34(19):163-170. [13] 张永旺，王克明，王艳琳等. 温度场对转子系统响应特性影响的分析[J].沈阳航空航天大学学报,2014,31(05):8-11. Zhang Yongwang, Wang Keming, Wang Yanlin, etc. Analysis of the effects of temperature field on rotor systemresponse characteristics [J].Journal of Shenyang Aerospace University, 2014,31 (05):8-11. [14] W. Yang, B. Li, L. Wang, and H. Yuan, Flow-thermo-elastic coupled vibration characteristics of aeroengine high pressure rotor at the typical start and stop conditions[J]. Journal of Vibroengineering, 2019, 21(6):1533–1551. [15] 贺威. 复杂转子系统瞬态热振动及碰摩故障的动力学特性研究[D].东北大学,2012. HE Wei. Studies on dynamics of transient heat vibrations and rubbings of complicated rotor system [D]. Northeast University, 2012. [16] 贺威，袁惠群.多盘转子系统热启动过程中瞬态响应分析[J].机械制造,2011,49(03):17-20. He Wei, Yuan Hui-qun. Transient response analysis of multi-disk rotor system during hot start [J].Machinery, 2011,49 (03) : 17-20. [17] 袁惠群，朱向哲，李东等.转子系统瞬态热启动过程动力学特性研究[J].振动与冲击,2009,28(07):33-37. Yuan Hui-qun, Zhu Xiang-zhe, Li Dong et al. Dynamic characteristics of transient thermal starting up of a rotor system [J]. Journal of Vibration and Shock, 2009,28 (07) : 33-37. [18] 陆山，赵明，任平珍等.某型发动机转子热弯曲变形及其影响数值分析[J].航空动力学报,1997(03):20-23. Lu Shan, Zhao Ming, Ren Ping-zhen and so on. A numerical analysis of thermal bending deformation and its influence on rotor [J]. Journal of Aerospace Power, 1997 (03) : 20-23. [19] 张连祥. 航空发动机转子热弯曲引发的典型故障分析[J]. 振动与冲击, 2008(S):14-16. Zhang Lianxiang. Analysis of typical aeroengine vibration fault related to thermal bow rotor [J]. Journal of Vibration and Shock, 2008(S):14-16. [20] 郭小鹏，吴英祥，姜广义.转子热弯曲引起的振动故障特征与试验研究[J].沈阳航空航天大学学报,2015,32(05):26-31. Guo Xiao-peng, Wu Ying-xiang, Jiang Guang-yi. Experimental investigation of rotor vibration fault caused by rotor thermal bending [J]. Journal of Shenyang Aerospace University, 2015,32 (05) : 26-31. [21] 冯永志，孟凡刚，黄延忠，等. 重型燃气轮机转子启动过程热弯曲故障实验研究[J]. 节能技术，2021, 9(04):312-316. FENG Yong-zhi, MENG Fan-gang, HUANG Yan-zhong, et al. Experimental study on thermal bowing fault of heavy duty gas turbine rotor during startup [J]. ENERGY CONSERVATION TECHNOLOGY, 2021, 39(04):312-316. [22] 吴文健，张浩权，应光耀，等. 大型9FA燃气机组热瞬变振动的诊断及处理[J]. 热力透平，2014, 43(3):212-215. WU Wen-jian, ZHANG Hao-quan, YING Guang-yao, et al. Diagnosis and treatment of the thermal transient vibration for heavy-duty 9FA gas turbines [J]. Thermal Turbine, 2014, 43(3):212-215. [23] 吴文健，吴斌，戴惠庆.大型9FA燃气发电机组的振动试验研究及处理[J].浙江电力,2013,32(07):38-41. Wu Wen-jian, Wu Bin, Dai Hui-qing. Experimental Investigation and Treatment on Vibration of Large 9FA Gas Generating Sets [J]. ZHEJIANG Electric Power, 2013,32 (07) : 38-41. [24] 李卫军，吴文健，应光耀等.半山发电厂7号燃气机组轴系异常振动分析与处理[J].浙江电力,2014,33(10):49-52. Li Wei-jun, Wu Wen-jian, Ying Guang-yao, etc. Analysis and Treatment of Abnormal Shafting Vibration of 7# Gas-fired Generating Units in Banshan Power Plant [J]. ZHEJIANG Electric Power, 2014,33 (10) : 49-52. [25] 王东，徐超，胡杰，等.连接结构接触界面非线性力学建模研究[J]. 力学学报，2018, 50(1):44-57. Wang Dong, Xu Chao, Hu Jie, et al. Nonlinear mechanics modeling for joint interface of assembled structure [J]. Chinese Journal of Theoretical and Applied Mechanics, 2018, 50(1):44-57. [26] Liu Y, Yuan Q, Zhu G, et al. Transient analysis and design improvement of a gas turbine rotor based on thermal-mechanical method[J]. Shock and Vibration, 2018, 2018: 1-14.