The Effect of Group Number and Group Coupling Stiffness on Vibration Response Localization in Tuned Grouped Blade-Disk

Abstract:

Article Preview

The group number and group coupling stiffness are important structural parameters of the grouped blade-disk. This work examines how the group number and group coupling stiffness affect the vibration response localization of tuned grouped blade-disk. The lumped parameter model of the grouped blade-disk was established, and the vibration equation was derived. The vibration response localization factors of tuned grouped blade-disks were obtained at the different group number and group coupling stiffness, and the effects of group number and group coupling stiffness on vibration response localization was analyzed. The results show that the vibration localization appears in the tuned grouped blade-disk and the degree of vibration response localization reduces with the increasing of group number and group coupling stiffness. The results can help to completely reveal the localization mechanism of the grouped blade-disk

Info:

Periodical:

Edited by:

Chunliang Zhang and Paul P. Lin

Pages:

124-128

Citation:

A. L. Wang et al., "The Effect of Group Number and Group Coupling Stiffness on Vibration Response Localization in Tuned Grouped Blade-Disk", Applied Mechanics and Materials, Vols. 226-228, pp. 124-128, 2012

Online since:

November 2012

Export:

Price:

$38.00

[1] S. Chai and E.S. Yu: Chinese Journal of Mechanical Engineering, Vol. 40 (2004) No. 12, p.182. (In Chinese).

[2] Z.L. Xu and X.J. Du: Journal Mechanical Strength, Vol. 26 (2004) No. 4, p.362. (In Chinese).

[3] S.T. Wei and C Pierre: Journal Vibration Acoustics Stress and Reliability in Design, Vol. 110 (1988) No. 4, p.429.

[4] S.T. Wei and C Pierre: Journal Vibration Acoustics Stress and Reliability in Design, Vol. 110 (1988) No. 4, p.431.

[5] M.T. Yang and J.H. Griffin: Journal of Engineering for Gas Turbines and Power, Vol. 123(2001) No. 4, p.893.

[6] J.J. Wang And Q.H. Li: Methods and Applications of Reduction Modeling for Mistuned Bladed disk Vibration in Aero-Engine (Nation Defense Industry Press, China 2009). (In Chinese).

[7] Y Kaneko and K Mori: Proceedings of the 1998 International Gas Turbine & Aeroengine Congress & Exhibition (Stockholm, Sweden, June 2-5, 1998). Vol. 12, p.94.

[8] B.W. Huang and J.H. Kuang: Journal of Mechanical Engineering Science, Vol. 216 (2002) No. 4, p.447.

[9] A.L. Wang and B.H. Sun: China Mechanical Engineering, Vol. 22 (2011) No. 7, p.771. (In Chinese).

[10] Y.Y. Ma: Turbine Technology, Vol. 32 (1990) No. 6, p.22. (In Chinese).

[11] S.Q. Li: Industrial Steam Turbine, Vol. 7 (1990) No. 4, p.16. (In Chinese).