Modeling, simulation, and equilibrium analysis of tethered coaxial dual-rotor ocean current turbines
Sign Up to like & getrecommendations! Published in 2021 at "Energy Conversion and Management"
DOI: 10.1016/j.enconman.2021.113929
Abstract: Abstract Tethered multirotor axial flow turbines have been proposed to overcome the many challenges associated with extracting ocean current energy where deep waters render seabed mounting strategies infeasible. However, flexible systems are inherently more susceptible… read more here.
Keywords: dual rotor; tethered coaxial; turbine; ocean current ... See more keywords
Experimental analysis of dual-rotor-support-casing system with blade-casing rubbing
Sign Up to like & getrecommendations! Published in 2021 at "Engineering Failure Analysis"
DOI: 10.1016/j.engfailanal.2021.105306
Abstract: Abstract Vibration features of inner rotor and casing of a dual-rotor-support-casing (DRSC) system with rubbing existing between blade and casing are analyzed in this work. First, an improved model for analyzing rubbing between blade and… read more here.
Keywords: rotor; dual rotor; system; casing rubbing ... See more keywords
Nonlinear response analysis for a dual-rotor system supported by ball bearing
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Non-linear Mechanics"
DOI: 10.1016/j.ijnonlinmec.2020.103627
Abstract: Abstract Rolling element bearings are used as main supports and are key sources of vibrations for aero-engine rotor systems. Mainly including the inner and outer rings, cages, and balls or rollers, the complicated mechanical structures… read more here.
Keywords: dual rotor; rotor system; system; ball bearing ... See more keywords
Aerodynamics and CFD analysis of equal size dual-rotor wind turbine
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Renewable and Sustainable Energy"
DOI: 10.1063/1.4999500
Abstract: The linear momentum theory is used to analyze the power-extraction capability of dual-rotor wind turbines with equal-size rotors. The rotors of a dual-rotor wind turbine are modeled as two separate actuator disks. The stream tube… read more here.
Keywords: rotor; dual rotor; wind turbine; rotor wind ... See more keywords
Magnetic-Coupling Characteristics Investigation of a Dual-Rotor Fault-Tolerant PMSM
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Energy Conversion"
DOI: 10.1109/tec.2017.2747519
Abstract: A five-phase dual-rotor permanent-magnet synchronous motor (PMSM) used for electric vehicles is investigated in this paper. The dual-rotor PMSM consists of an inner motor and an outer motor, which share a common stator yoke. The… read more here.
Keywords: dual rotor; magnetic coupling; fault tolerant; pmsm ... See more keywords
Analysis and Design Considerations of a Dual-Rotor Multiple-Winding Machine
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2021.3114736
Abstract: In this article, a novel dual-rotor multiple-winding machine (DRMWM) is proposed for the continuous variable transmission (CVT) in hybrid electric vehicles (HEVs). First, a mathematical model of the proposed machine is constructed by using the… read more here.
Keywords: dual rotor; machine; harmonics; rotor multiple ... See more keywords
Spectrum Analysis of a Coaxial Dual-Rotor System with Coupling Misalignment
Sign Up to like & getrecommendations! Published in 2020 at "Shock and Vibration"
DOI: 10.1155/2020/5856341
Abstract: The finite element model of a dual-rotor system was established by Timoshenko beam element. The dual-rotor system is a coaxial rotor whose supporting structure is similar to that of an aero-engine rotor system. The inner… read more here.
Keywords: dual rotor; rotor system; system; coupling misalignment ... See more keywords
Dynamic characteristics analysis of a dual-rotor system with bolted-disk joint
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science"
DOI: 10.1177/09544062221123988
Abstract: This article presents a nonlinear vibration characteristics study of a bolted joint dual-rotor system. The motion equations are derived through the lumped mass modeling method and a two-node bolted joint element. Nonlinear time-varying bending stiffness… read more here.
Keywords: system; bolted joint; rotor; rotor system ... See more keywords
Prediction of transient vibration response of dual-rotor-blade-casing system with blade off
Sign Up to like & getrecommendations! Published in 2019 at "Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering"
DOI: 10.1177/0954410019839884
Abstract: Fan blade off occurring in a running rotor of the turbofan engine dual-rotor system will cause a sudden unbalance and inertia asymmetry, which results in large impact load and consequently induces the rubbing between blade… read more here.
Keywords: dual rotor; system; response; blade casing ... See more keywords
Dynamic response analysis for the aero-engine dual-rotor-bearing system with flexible coupling misalignment faults
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Vibroengineering"
DOI: 10.21595/jve.2017.18553
Abstract: This paper focuses on the nonlinear response characteristics of an aero-engine dual-rotor-bearing system with flexible coupling misalignment faults in the low-pressure rotor system (rotor 2). The motion equations of the system are formulated by using… read more here.
Keywords: dual rotor; system; rotor; misalignment faults ... See more keywords
A Novel Dual-Rotor Ultrasonic Motor for Underwater Propulsion
Sign Up to like & getrecommendations! Published in 2019 at "Applied Sciences"
DOI: 10.3390/app10010031
Abstract: Micro underwater vehicles (MUVs) have been highlighted recently for underwater explorations because of their high maneuverability, low price, great flexibility, etc. The thrusters of most conventional MUVs are driven by electromagnetic motors, which need big… read more here.
Keywords: dual rotor; motor; rotor ultrasonic; ultrasonic motor ... See more keywords