On the Force of Rotor-to-Stator Element Radial Rubs in Rotating Machinery

Abstract:

Rubs between stator and rotor are the most common and destructive faults in starting or running of rotating machinery. Force of radial rubs is the main parts of rubbing system dynamic models, and determines their accuracy directly. Force model is very important for fault diagnosis in theories and its applications. The recent studies on force models of radial rubs are introduced. Their modeling theories and its applications are summarized. The used conditions and applications scopes are analyzed mainly. The advantages and disadvantages of different models are discussed. It is pointed out that describing rubbing force accurately and building useful models will be the future studies, based on rational theories, considering environment factors, choosing all kinds of parameters affected to models.

• Periodical: Applied Mechanics and Materials (Volumes 668-669)
• Pages: 221-225
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.668-669.221
• Online since: October 2014
• Authors: Li Hong*, Li Zhan, He Qing
• Keywords: Force Models of Radial Rubs, Normal Force Model, Rotating Machinery, Tangential Force Model

References

[1] Z. He, J. Chen, T. Wang and F. Chu: Theories and Applications of Machinery Fault Diagnostics. High Education Press, Beijing (2010).

[2] N. Zhang, Z. Liu and X. Jiang: Journal of Vibration and Shock, Vol. 29, No. 3 (2010), p.24.

[3] D. W. Childs: Journal of Mechanical Engineers, Vol. 210, No. 1 (1990), pp.3-15.

[4] S. He, S. Zhang: Mechanical Science and Technology for Aerospace Engineering, Vol. 10, No. 15 (2007), p.13.

[5] J. Wu: Study on Some Nonlinear Dynamics Problems of Rotor System with Impact-Rubbing. Northeastern University, Shenyang (2006).

[6] Z. Qin, Q. Lu: Journal of Dynamics and Control, Vol. 4, No. 4 (2006), p.23.

[7] Y. Li, J. Liu: Chinese Journal of Applied Mechanics, Vol. 22, No. 3 (2005), p.23.

[8] T. Wang, X. Fu: Turbine Technology, Vol. 51, No. 1 (2009), p.25.

[9] S. Timoshenko, J. N. Goodier: Theory of Elasticity, McGraw Book Company, Inc. (1951).

[10] M. Fumagalli, G. Schweitzer. Measurements on a rotor contacting its housing. 6th International Conference of Vibration in Rotating Machinery. 1996: 779-788.

[11] W. Zhang, G. Meng, D. Chen, et al: Journal of sound and vibration Vol. 309, No. 3 (2008), p.756.

[12] C. Liu, B. Chen and Y. Wang: A Mechanical Engineering, Vol. 6, No. 6 (2000), p.616.

[13] D. A. Haessig, Friesland: Journal of Dynamic systems, Measurement and control, Vol. 113 (1991), p.354.

[14] W. C. Canudas, H. Olsson and P. Lischinsky: IEEE Transactions on Automatic Control, Vol. 40, No. 3 (1995), p.419.

[15] K. Y. Sanliturk, D. J. Ewins: Journal of Sound and Vibration, Vol. 193, No. 3 (1996), p.511.

[16] Z. Wang, H. Yuan and B. Wen: Journal of Mechanical Strength, Vol. 31, No. 2 (2009), p.175.