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Vibro-Acoustic Behavior of Unbalanced Shaft-Bearing-Pedestal Coupled System with Bearing Faults

پذیرفته شده برای ارائه شفاهی ، صفحه 1-10 (10)
کد مقاله : 1054-ISAV2023 (R1)
نویسندگان
1Acoustics Research Lab, Mechanical Engineering Department, Amirkabir University of Technology
2Acoustics Research Lab., Mechanical Engineering Department, Amirkabir University of Technology
چکیده
This paper deals with the effect of faults and shaft unbalances on the rolling element bear-ings' (REBs) vibro-acoustic behavior. In addition, the vibro-acoustic behavior of the bearing is investigated from the perspective of human visual and auditory senses. First, a dynamic model for an SKF 6205 bearing is considered. This dynamic model includes a shaft, inner ring, outer ring, and bearing pedestal that includes six degrees of freedom (DOF). The non-linear contact between the bearing balls and the inner/outer rings of the REB is considered using the Hertzian contact theory. To find the displacement and velocity of the inner ring, outer ring, and bearing pedestal, one can solve six nonlinear partial differential equations with the Range-Kutta method. The results show a 4.65% error in the peak-to-peak time re-sponse value compared with the reference experimental results, which is a good agreement. The sound pressure level (SPL) in the far field can be calculated assuming the REB three components as cylindrical sound sources. It is very interesting to know the fault detection capability of the human being without using auxiliary tools. By comparing the results, it is shown that sound is a better measure for humans than observing the vibration of the bearing pedestal. Also, without the use of auxiliary tools, humans cannot detect incipient faults ei-ther through the sound or vibration of the REBs. It is very clear for humans to identify the shaft eccentricity with both ears and eyes. In addition, in this article, the nonlinear behavior of the dynamic model with increasing fault severity has also been investigated.
کلیدواژه ها
موضوعات
 
Title
Vibro-Acoustic Behavior of Unbalanced Shaft-Bearing-Pedestal Coupled System with Bearing Faults
Authors
Abstract
This paper deals with the effect of faults and shaft unbalances on the rolling element bear-ings' (REBs) vibro-acoustic behavior. In addition, the vibro-acoustic behavior of the bearing is investigated from the perspective of human visual and auditory senses. First, a dynamic model for an SKF 6205 bearing is considered. This dynamic model includes a shaft, inner ring, outer ring, and bearing pedestal that includes six degrees of freedom (DOF). The non-linear contact between the bearing balls and the inner/outer rings of the REB is considered using the Hertzian contact theory. To find the displacement and velocity of the inner ring, outer ring, and bearing pedestal, one can solve six nonlinear partial differential equations with the Range-Kutta method. The results show a 4.65% error in the peak-to-peak time re-sponse value compared with the reference experimental results, which is a good agreement. The sound pressure level (SPL) in the far field can be calculated assuming the REB three components as cylindrical sound sources. It is very interesting to know the fault detection capability of the human being without using auxiliary tools. By comparing the results, it is shown that sound is a better measure for humans than observing the vibration of the bearing pedestal. Also, without the use of auxiliary tools, humans cannot detect incipient faults ei-ther through the sound or vibration of the REBs. It is very clear for humans to identify the shaft eccentricity with both ears and eyes. In addition, in this article, the nonlinear behavior of the dynamic model with increasing fault severity has also been investigated.
Keywords
Rolling element bearing, Bearing fault modeling, Vibro-Acoustic model
مراجع

[1] P. Yan, C. Yan, K. Wang, F. Wang, and L. Wu, “5-DOF Dynamic Modeling of Rolling Bearing 
with Local Defect considering Comprehensive Stiffness under Isothermal Elastohydrodynamic 
Lubrication,” Shock Vib., vol. 2020, pp. 1–15, Jun. 2020, doi: 10.1155/2020/9310278.
[2] X. Cheng, A. Wang, H. Yang, T. Zhang, C. Cao, and G. Wu, “Vibration analysis of a deep 
groove ball bearing with localized and distributed faults subject to waviness based on an 
improved model under time-varying speed condition,” J. Vib. Control, vol. 29, no. 13–14, pp. 
3259–3274, Jul. 2023, doi: 10.1177/10775463221094162.
[3] Y. Zhao, Y.-P. Zhu, J. Lin, Q. Han, and Y. Liu, “Analysis of nonlinear vibrations and health 
assessment of a bearing-rotor with rub-impact based on a data-driven approach,” J. Sound Vib., 
vol. 534, p. 117068, Sep. 2022, doi: 10.1016/j.jsv.2022.117068.
[4] B. Changqing and X. Qingyu, “Dynamic model of ball bearings with internal clearance and 
waviness,” J. Sound Vib., vol. 294, no. 1–2, pp. 23–48, Jun. 2006, doi: 
10.1016/j.jsv.2005.10.005.
[5] M. Nakhaeinejad and M. D. Bryant, “Dynamic Modeling of Rolling Element Bearings With 
Surface Contact Defects Using Bond Graphs,” J. Tribol., vol. 133, no. 1, Jan. 2011, doi: 
10.1115/1.4003088.
[6] C. Mishra, A. K. Samantaray, and G. Chakraborty, “Bond graph modeling and experimental 
verification of a novel scheme for fault diagnosis of rolling element bearings in special 
operating conditions,” J. Sound Vib., vol. 377, pp. 302–330, Sep. 2016, doi: 
10.1016/j.jsv.2016.05.021.
[7] K. F. Al-Raheem, A. Roy, K. P. Ramachandran, D. K. Harrison, and S. Grainger, “Rolling 
element bearing faults diagnosis based on autocorrelation of optimized: wavelet de-noising 
technique,” Int. J. Adv. Manuf. Technol., vol. 40, no. 3–4, pp. 393–402, Jan. 2009, doi: 
10.1007/s00170-007-1330-3.
[8] D. HO and R. B. RANDALL, “OPTIMISATION OF BEARING DIAGNOSTIC 
TECHNIQUES USING SIMULATED AND ACTUAL BEARING FAULT SIGNALS,”
Mech. Syst. Signal Process., vol. 14, no. 5, pp. 763–788, Sep. 2000, doi: 
10.1006/mssp.2000.1304.
[9] S. Modaresahmadi, M. Ghazavi, and M. Sheikhzad Saravani, “Dynamic Analysis of a Rotor 
Supported on Ball Bearings with Waviness and Centralizing Springs and Squeeze Film 
Dampers,” Int. J. Eng., vol. 28, no. 9 (C), 2015, doi: 10.5829/idosi.ije.2015.28.09c.13.
[10] H. Zhou, G. Luo, G. Chen, and F. Wang, “Analysis of the nonlinear dynamic response of a 
rotor supported on ball bearings with floating-ring squeeze film dampers,” Mech. Mach. 
Theory, vol. 59, pp. 65–77, Jan. 2013, doi: 10.1016/j.mechmachtheory.2012.09.002.
[11] B.-H. Rho and K.-W. Kim, “Acoustical properties of hydrodynamic journal bearings,” Tribol. 
Int., vol. 36, no. 1, pp. 61–66, Jan. 2003, doi: 10.1016/S0301-679X(02)00132-9.
[12] S. Bouaziz, T. Fakhfakh, and M. Haddar, “Acoustic Analysis of Hydrodynamic and ElastoHydrodynamic Oil Lubricated Journal Bearings,” J. Hydrodyn., vol. 24, no. 2, pp. 250–256, 
Apr. 2012, doi: 10.1016/S1001-6058(11)60241-2.
[13] H. Yan, Y. Wu, J. Sun, H. Wang, and L. Zhang, “Acoustic model of ceramic angular contact 
ball bearing based on multi-sound source method,” Nonlinear Dyn., vol. 99, no. 2, pp. 1155–
1177, Jan. 2020, doi: 10.1007/s11071-019-05343-5.
[14] F. Li, X. Li, J. Liu, D. Shang, and H. Ma, “Nonlinear vibration analysis of the shaft-bearingpedestal coupled system with inclined shaft current damage,” Nonlinear Dyn., vol. 111, no. 
17, pp. 15853–15872, Sep. 2023, doi: 10.1007/s11071-023-08677-3

[15] Q. Han and F. Chu, “Nonlinear dynamic model for skidding behavior of angular contact ball 
bearings,” J. Sound Vib., vol. 354, pp. 219–235, Oct. 2015, doi: 10.1016/j.jsv.2015.06.008.
[16] R. Tomovic, V. Miltenovic, M. Banic, and A. Miltenovic, “Vibration response of rigid rotor 
in unloaded rolling element bearing,” Int. J. Mech. Sci., vol. 52, no. 9, pp. 1176–1185, Sep. 
2010, doi: 10.1016/j.ijmecsci.2010.05.003.
[17] L. E. Kinsler, A. R. Frey, A. B. Coppens, and J. V Sanders, Fundamentals of acoustics. John 
wiley & sons, 2000.
[18] P. Aslani, S. D. Sommerfeldt, and J. D. Blotter, “Analysis of the external radiation from 
circular cylindrical shells,” J. Sound Vib., vol. 408, pp. 154–167, Nov. 2017, doi: 
10.1016/j.jsv.2017.07.021.
[19] J. J. Thomsen, Vibrations and Stability. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. 
doi: 10.1007/978-3-662-10793-5