Results 101 to 110 of about 40,364 (312)

NONLIEAR DYNAMIC BEHAVIORS ANALYSIS OF COMPLEX ROTOR-BEARING SYSTEM

open access: yesJixie qiangdu, 2015
Aiming at overcoming the deficiency of available methods for revaling the nonlinear dynamic behaviors of complex rotor-bearing system,a fluid-structure method which combined rotor dynamics with computational fluid dynamics based on dynamic mesh is ...
LIN LuSheng, LIU GuiPing, CHEN Yuan
doaj  

Complex Nonlinear Modal Analysis and Resonance Frequency Prediction of a Full-Annular Rubbing Rotor

open access: yesMachines
Full-annular rubbing is a common rubbing form in rotor systems. It introduces an additional constraint on the rotor, which produces a significant increase in the resonance frequency.
Di Liu, Jie Hong
doaj   +1 more source

Study on the reverse design of screw rotor profiles based on a B-spline curve

open access: yesAdvances in Mechanical Engineering, 2019
The female/male screw rotor profile design for a twin screw compressor poses challenges such as frequent parameter modification and a difficult-to-build performance test platform, which affect the efficiency of a rotor profile design.
Shu Cao   +4 more
doaj   +1 more source

Rotor dynamic analysis of a tidal turbine considering fluid–structure interaction under shear flow and waves

open access: yesInternational Journal of Naval Architecture and Ocean Engineering, 2019
A rotor dynamic analysis is mandatory for stability and design optimization of submerged propellers and turbines. An accurate simulation requires a proper consideration of fluid-induced reaction forces.
Andre Laß   +3 more
doaj   +1 more source

Liquid-liquid dispersions from in-line rotor-stator mixers [PDF]

open access: yes, 2004
Experiments were performed on an industrial scale Silverson in-line rotor-stator mixer to investigate its liquid-liquid dispersion capabilities. A non-coalescing kerosene-water system was used in the tests and the effect of stator geometry, rotor ...
Thapar, N.
core  

Wake structure and kinematics in the vortex ring state

open access: yes, 2009
High-resolution computational simulations of the vortical wake of a rotor operating both near to and within the vortex ring state have been conducted using Brown's vorticity transport model.
Brown, R.E., Ahlin, G.A.
core   +1 more source

Robust Reinforcement Learning Control Framework for a Quadrotor Unmanned Aerial Vehicle Using Critic Neural Network

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
Quadrotor unmanned aerial vehicle control is critical to maintain flight safety and efficiency, especially when facing external disturbances and model uncertainties. This article presents a robust reinforcement learning control scheme to deal with these challenges.
Yu Cai   +3 more
wiley   +1 more source

Numerical Investigation Using Harmonic and Transient Analysis To Rotor Dynamics

open access: yesJournal of Engineering, 2016
The rotor dynamics generally deals with vibration of rotating structures. For designing rotors of a high speeds, basically its important to take into account the rotor dynamics characteristics.
Adnan Naji Jameel Al Tamim   +1 more
doaj   +2 more sources

Multiphysics Optimization of a High-Speed Permanent Magnet Motor Based on Subspace and Sequential Strategy

open access: yesApplied Sciences
In the optimization of high-speed permanent magnet motors (HSPMMs), electromagnetic characteristics, rotor stress, rotor dynamics, and temperature characteristics must all be considered simultaneously, and there are numerous optimization parameters for ...
Honglin Yan   +5 more
doaj   +1 more source

Microrobotic Catheterization of the Ophthalmic Artery for Targeted Treatment of Retinoblastoma

open access: yesAdvanced Intelligent Systems, EarlyView.
A microrobotic platform is presented that allows teleoperated and autonomous navigation of flow‐driven magnetic microcatheters, MagFlow, into the ophthalmic artery for superselective intra‐arterial infusion of chemotherapy to treat retinoblastoma. Extensive benchtop validations with patient‐derived biomimetic phantoms under optical and fluoroscopic ...
Artur Banach   +5 more
wiley   +1 more source

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