[1] ALFORD J S.Protecting turbomachinery from self-excited rotor whirl[J].Journal of Engineering for Gas Turbines and Power,1965,87(4):333-343. [2] El-GAMAL H A,AWAD T H,SABER E.Leakage from labyrinth seals under stationary and rotating conditions[J].Tribology International,1996,29(4):291-297. [3] LI Z,LI J,FENG Z P.Comparisons of rotordynamic characteristics predictions for annular gas seals using the transient computational fluid dynamic method based on different single-frequency and multifrequency rotor whirling models[J].Journal of Tribology,2016,138(1):1-18. [4] 曹丽华,司和勇,李盼,等.汽轮机转子动力特性的多因素分析及稳定性预测[J].中国电机工程学报,2018,38(3):823-831. CAO L H,SI H Y,LI P,et al.Study on the multi-factors influence on rotor dynamic characteristics and stability prediction[J].Proceedings of the CSEE,2018,38(3):823-831(in Chinese). [5] 柴山,张耀明,曲庆文,等.汽轮机扭叶片级间隙汽流激振力分析[J].中国电机工程学报,2001,21(5):11-16.CHAI S,ZHANG Y M,QU Q W,et al.An analysis on the air exciting-vibration force of twist blade of steam turbine[J].Proceedings of the CSEE,2001,21(5):11-16(in Chinese). [6] ZHANG W F,YANG J G,TIAN Y W,et al.Research on the leakage and dynamic characteristics of a new kind of radial annular seal and comparisons with labyrinth seals[J].Proceedings of the Institution of Mechanical Engineers:Part A Journal of Power & Energy,2013,227(3):261-271. [7] 郭瑞,杨建刚.汽轮机进汽方式对调节级叶顶间隙蒸汽激振力影响的研究[J].中国电机工程学报,2006,26(1):8-11.GUO R,YANG J G.Effects of admission mode on tip clearance induced steam force in turbine control stage[J].Proceedings of the CSEE,2006,26(1):8-11(in Chinese). [8] ZHANG W,CHEN L,YANG J,et al.Static instability of the smooth annular seals with choked/unchoked flow[J].Tribology International,2020,144:106120. [9] 丁学俊,刘顺,黄来,等.600 MW汽轮机隔板汽封流场与汽流激振力的数值计算[J].汽轮机技术,2010,52(5):348-350. DING X J,LIU S,HUANG L,et al.Numerical calculation on flow field of diaphragm seals and steam-exciting in 600 MW steam turbine[J].Turbine Technology,2010,52(5):348-350(in Chinese). [10] RHODE D L,HENSEL S J,GUIDY M J.Three-dimensional computations of rotordynamic force distributions in a labyrinth seal[J].Tribology Transactions,1993,36(3):461-469. [11] 李强,刘淑莲,郑水英,等.迷宫密封非线性动力特性的数值计算方法[J].浙江大学学报(工学版),2009,43(3):500-504.LI Q,LIU S L,ZHENG S Y,et al.Numerical calculation of nonlinear dynamic characteristics for labyrinth seals[J].Journal of Zhejiang University(Engineering Science),2009,43(3):500-504(in Chinese). [12] 孙丹,李胜远,艾延廷,等.袋型阻尼密封动力特性分析及对转子稳定性的影响[J].中国电机工程学报,2018,38(12):3621-3628.SUN D,LI S Y,AI Y T,et al.Analysis of the rotordynamic characteristics of pocket damper seals and impact on rotor stability[J].Proceedings of the CSEE,2018,38(12):3621-3628(in Chinese). [13] VON PRAGENAU G L.Damping seals for turbomachinery[R].Washington,D.C.:NASA Technical Paper,1984:11-15. [14] HIRANO T,GUO Z,KIRK R G.Application of CFD analysis for rotating machinery:Part 2-Labyrinth seal analysis[C]//ASME Turbo Expo 2003,2003:661-667. [15] SUBRAMANIAN S,SEKHAR A S,PRASAD B V S S S.Rotordynamic characteristics of rotating labyrinth gas turbine seal with centrifugal growth[J].Tribology International,2016,97:349-359. [16] MA W,HUANG H,FENG G,et al.Labyrinth seals diameter and length effect study on nonlinear dynamics[J].Procedia Engineering,2015,99:1358-1364. [17] 司和勇,曹丽华,李盼.密封结构对汽轮机转子动力特性的影响分析[J].中国电机工程学报,2020,40(1):165-175.SI H Y,CAO L H,LI P.Effect of seal structure on rotor dynamic characteristics of steam turbine[J].Proceedings of the CSEE,2020,40(1):165-175(in Chinese). |