Results 31 to 40 of about 22,082 (291)

A Novel Evaluation Method for Vibration Coupling of Complex Rotor–Stator Systems in Aeroengines

Actuators
With the increase in thrust–weight ratio of advanced aeroengines, the rotor and stator often exhibit comparable stiffness characteristics, leading to significant vibration coupling which harms the safety and reliability of operations.
Yongbo Ma, Zhihong Song, Zhefu Yang, Chao Li, Yanhong Ma, Jie Hong   +5 more
doaj   +1 more source

Impulsive Control of the Rotor-Stator Rub Based on Phase Characteristic

Abstract and Applied Analysis, 2014
An impulsive control method is proposed to eliminate the rotor-stator rubbing based on the phase characteristic. The relation between the vibration energy and the phase difference suggests the starting point for controlling the rotor-stator rubbing by ...
Jieqiong Xu, Qunhong Li, Shimin Wang
doaj   +1 more source

Research on rotor-side frequency conversion speed regulation technology for high voltage wound-rotor motor

Gong-kuang zidonghua, 2018
In view of problems of technical difficulties, high cost and high voltage requirements for power electronic components in current high voltage wound-rotor motor using stator-side high voltage inverter for frequency conversion speed regulation, a rotor ...
CHENG Guodong, WANG Huaping, XIA Jingjing   +2 more
doaj   +1 more source

Design Theory of Stator and Rotor of PDM Based on Rack Gearing Principle

Shiyou jixie, 2020
The stator and rotor contour designed by the traditional line pattern design method is not smooth at the joint of the cycloidal arc and the arc, where the stator rubber is continuously worn during operation, which will accelerate the damage of the rubber
Yao Yang
doaj  

Effect of static/dynamic air‐gap eccentricity on stator and rotor vibration characteristics in doubly‐fed induction generator

IET Electric Power Applications, 2022
This article has conducted a comprehensive study on the stator and rotor vibration characteristics of the doubly‐fed induction generator (DFIG) in the case of radial air gap eccentricity (RAGE).
Yu‐Ling He, De‐Rui Dai, Ming‐Xing Xu, Wen Zhang, Gui‐Ji Tang, Shu‐Ting Wan, Xiao‐Ling Sheng, David Gerada   +7 more
doaj   +1 more source

Finite element calculations and experimental verification of the unsteady potential flow in a centrifugal volute pump [PDF]

, 1994
In this paper we present a finite-element-based methode for the calculation of the unsteady potential flow in rotor/stator configurations. A numerical algorithm was developed to calculate the two-dimensional flow through a centrifugal volute pump, taking
Badie, Badie, Corba, Dong, Eck, Gorelov, Greenwood, Greitzer, Iino, Iversen, Kemp, Miner, Miner, Morfiadakis, Norrie, Parker, Platzer, Segal, Tsujimoto, van den Braembussche   +19 more
core   +2 more sources

Rotationally induced ingress in rotor–stator systems [PDF]

Physics of Fluids
The presence of a rotating disk adjacent to a stationary disk forms a rotor–stator cavity known as a wheel-space. It is necessary for gas turbine wheel-spaces to be purged with sealing flow bled from the compressor to counteract the harmful effects of ingress.
D. Graikos, H. Tang, M. Carnevale, N. Y. Bailey, J. A. Scobie   +4 more
openaire   +2 more sources

Review of fluid flow and convective heat transfer within rotating disk cavities with impinging jet [PDF]

, 2013
International audienceFluid flow and convective heat transfer in rotor-stator configurations, which are of great importance in different engineering applications, are treated in details in this review.
Harmand, Souad, Pellé, Julien, Poncet, Sébastien, Shevchuk, Igor   +3 more
core   +4 more sources

Can Ti‐Based MXenes Serve as Solid Lubricants for Brake Applications? A Tribological Study

Advanced Engineering Materials, EarlyView.
This study explores the first implementation of Ti‐based MXenes materials in brake pad friction composite material. The resulting composite material exhibits a 48% reduction in the wear rate; alongside significant improvements are observed for thermal and mechanical properties.
Eslam Mahmoud, Jakob Gruber, Hakan Göçerler, Pierluigi Bilotto, Christian Gierl‐Mayer, Elham Loni, Michael Naguib, Carsten Gachot   +7 more
wiley   +1 more source

Exploring Dipolar Dynamics and Ionic Transport in Metal‐Organic Frameworks: Experimental and Theoretical Insights

Advanced Functional Materials, EarlyView.
In this study, the interplay of dipolar dynamics and ionic charge transport in MOF compounds is investigated. Synthesizing the novel structure CFA‐25 with integrated freely rotating dipolar groups, local and macroscopic effects, including interactions with Cs cations are explored.
Ralph Freund, Arthur Schulz, Peter Lunkenheimer, Maryana Kraft, Thomas Bergler, Harald Oberhofer, Dirk Volkmer   +6 more
wiley   +1 more source