NDLI: Turning maneuver caused response in an aircraft rotor-ball bearing system

Content Provider	Springer Nature Link
Author	Hou, Lei Chen, Yushu Cao, Qingjie Zhang, Zhiyong
Copyright Year	2014
Abstract	This paper focuses on the nonlinear response caused by aircraft turning flight in a rotor-ball bearing system with internal clearances and Hertzian contact forces. The equations of motion are formulated by using Lagrange equation, where the aircraft turning flight is modeled as a maneuver load. Numerical analyses are carried out to detect the response of the system under maneuver load. The sub-harmonic resonance and irregular motions subjected to the maneuver load are obtained and presented by bifurcation diagrams, amplitude spectrum diagrams, Poincare maps and phase portraits. Two typical patterns that the maneuver load inducing response are found: one is the alternating of period 2 motion and period 1 motion for $$\omega =1{,}350\,\hbox {rad/s}$$ ; the other is the alternating of quasi-periodic motion and period 2 motion for $$\omega =1{,}470\,\hbox {rad/s}$$ . Moreover, mass eccentricity shows a significant effect on the sub-harmonic resonance of the rotor-ball bearing system under turning flight, which is different from that without considering maneuvering flight condition (Bai and Zhang in Int J Nonlinear Mech 50:1–10, 2013). The results obtained in this paper will contribute an understanding of the nonlinear dynamic behaviors of aircraft rotor systems in maneuvering flight.
Starting Page	229
Ending Page	240
Page Count	12
File Format	PDF
ISSN	0924090X
Journal	Nonlinear Dynamics
Volume Number	79
Issue Number	1
e-ISSN	1573269X
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-10-09
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Turning maneuver Rotor-ball bearing system Nonlinear response Maneuver load Sub-harmonic resonance Vibration, Dynamical Systems, Control Mechanics Mechanical Engineering Automotive Engineering
Content Type	Text
Resource Type	Article
Subject	Ocean Engineering Applied Mathematics Control and Systems Engineering Mechanical Engineering Electrical and Electronic Engineering Aerospace Engineering

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