The Effect of System Parameters on the Chaotic Behavior of Rotor-disk-Bearing with Rubbed between the Disk and the Stator

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RAHI A.; HAGHANI A.; SAFARPOUR P.

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Paper Information

Journal: JOURNAL OF MECHANICAL ENGINEERING Year:2018 | Volume:48 | Issue:3 (84) Page(s): 125-132

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Title

The Effect of System Parameters on the Chaotic Behavior of Rotor-disk-Bearing with Rubbed between the Disk and the Stator

Author(s)

RAHI A. | HAGHANI A. | SAFARPOUR P. | Issue Writer Certificate

Keywords

Rotor-disk-bearing system

Stator

Poincarésections

Maximum Lyapunov exponent

Chaotic behavior

Abstract

In this research, the effect of system parameters on the Chaotic behavior of rotor-disk-bearing with rubbed between the disk and the Stator is studied. The governing equations of motion according to Newton's second law extracting and are dimensionless. Non-linear force the oil film bearing under short bearing theory in the equation is included. Also, since the rub in the rotary axes a secondary defect, so in the equations of motion unbalance force and bow axis that the cause is rubbed between the disk and the Stator is considered. At first, the dynamic behavior of the system by bifurcation diagrams, time series diagrams, phase diagram, power spectrum diagrams, Poincaré sections diagrams and Maximum Lyapunov exponent is studied. Then, the influence of various parameters of system including the coefficient of friction between the disk and the Stator, clearance between the disk and the Stator and stiffness between the disk and Stator on the behavior of chaotic system in different rotational speeds is investigated.

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APA: Copy

RAHI, A., HAGHANI, A., & SAFARPOUR, P.. (2018). The Effect of System Parameters on the Chaotic Behavior of Rotor-disk-Bearing with Rubbed between the Disk and the Stator. JOURNAL OF MECHANICAL ENGINEERING, 48(3 (84) ), 125-132. SID. https://sid.ir/paper/372028/en

Vancouver: Copy

RAHI A., HAGHANI A., SAFARPOUR P.. The Effect of System Parameters on the Chaotic Behavior of Rotor-disk-Bearing with Rubbed between the Disk and the Stator. JOURNAL OF MECHANICAL ENGINEERING[Internet]. 2018;48(3 (84) ):125-132. Available from: https://sid.ir/paper/372028/en

IEEE: Copy

A. RAHI, A. HAGHANI, and P. SAFARPOUR, “The Effect of System Parameters on the Chaotic Behavior of Rotor-disk-Bearing with Rubbed between the Disk and the Stator,” JOURNAL OF MECHANICAL ENGINEERING, vol. 48, no. 3 (84) , pp. 125–132, 2018, [Online]. Available: https://sid.ir/paper/372028/en

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