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Nonlinear dynamic mechanical response analysis of dual-segment single-span rotor-bearing system under normal condition and misalignment fault
As a highly widespread and practical construction, it is vital to investigate rotor bearing system’s structure, components, and faults in order to...
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Nonlinear dynamic analysis of ceramic bearing rotor system considering temperature variation fit clearance
Under high-speed and high-precision operation, the ceramic bearing rotor system will generate high temperature rise. Ceramic bearings and steel...
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Experimental and numerical study of lateral vibration of a rotor–stator rubbing system
In this paper, lateral vibration of a rotating system with rotor–stator rubbing is investigated experimentally and numerically. An experimental study...
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Dynamic Characteristics of Electrically Assisted Turbocharger Rotor System Under Strong Impacts
PurposeThe electrically assisted turbocharger (EAT) integrates high-speed motors into the turbocharger rotor shaft to improve the turbocharger’s...
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Nonlinear dynamic analysis of a dual-rotor system with deteriorating rub-impact fault caused by loose disc
Rub-impact is one of the common failures in dual-rotor systems, and seriously affects the machine’s operation cost. Currently, research about this...
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Analysis and investigation of synchronous machine rotor winding short-circuit fault in a distribution system
Rotor turn short circuit fault of permanent magnet synchronous machines (PMSMs) in the distribution system has a significant issue caused by...
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Effect of static and dynamic misalignment of rolling bearing on nonlinear vibration characteristics of rotor system
In the research on rolling bearing misalignment, the influence of bearing misalignment on the vibration characteristics of the rotor system is rarely...
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Dynamics of the Rotor System of a Vibrational–Centrifugal Separator with an Elastic Vibration Limiter
AbstractThe dynamics of the rotor system of a vibrational-centrifugal separator has been studied. The rotor is modeled by a flexible shaft with...
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Dynamic response characteristics of multiplicative faults in a misaligned-bowed rotor-train system integrated with active magnetic bearings
The present study deals with the modeling and response analysis of two coupled rotor systems that are subjected to the coupling angular misalignment...
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Dynamic balancing of multispeed multidisk rotor
This study proposes a method to balance the multidisk rotor systems of aeroengines. A double screening-based correction plane selection method with...
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Vibratory loads behavior of a high-speed lift-offset coaxial rotor system
A numerical simulation is performed to investigate the blade loads and hub vibration behavior of an unmanned, coaxial compound lift offset (LO)...
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Dynamic characteristics of ball bearing-coupling-rotor system with angular misalignment fault
The rotor misalignment fault, which occurs only second to imbalance, easily occurs in the practical rotating machinery system. Rotor misalignment can...
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Stochastic finite element analysis using polynomial chaos on a flexible rotor with contact nonlinearity
The dynamic response of a rotor system can be significantly affected by uncertainties. It is essential to understand and quantify the influence of...
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Dynamic Design of the High-Speed Rotor System Considering the Distribution of Strain Energy
In order to optimize the dynamic properties of typical high-speed rotor system, a mechanical model of the high-speed rotor system considering the key...
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Research on the dynamic characteristics of crack damage of a seal-rotor system
In rotor systems, the labyrinth seal system is the core component to suppress fluid leakage between the rotor and the stator. In this paper, based on...
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On modeling and damage detection methodologies in rotor systems
Damages in rotor systems have severe impact on their functionality, safety, running durability and their industrial productivity, which usually leads...
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Detection and quantification of oil whirl instability in a rotor-journal bearing system using a novel dynamic recurrence index
This paper presents a new Dynamic Recurrence Index (DRI) to detect the occurrence and quantify the evolution of oil whirl instability in the...
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Nonlinear Dynamic Characteristics Analysis of Diaphragm Coupling Rotor System with Crack Fault
The diaphragm coupling may have crack failure under long-term high-speed working conditions. In this paper, the dynamic model and experimental model...
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Vibration Optimization Design and Experiment for Support of Aeroengine High-Speed Rotor System
In view of the phenomenon that the vibration acceleration of the adapter support was too large during the dynamic characteristic test of a gas...
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Load Identification Method for Spindle Rotor System of Rolling Mill Based on Fusion Information
Aiming at the limitations of single type response signal in load identification, this paper proposes a fusion information method that combines...