Results 11 to 20 of about 124,299 (312)

Studies on thermal effects in aerodynamic foil journal bearings

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2016
With extensive application of foil gas journal bearings in high temperature conditions, the effect of increasing temperature on performance in the bearings have attracted more attention.
Quan ZHOU, Yancheng LI, Pan LU
doaj   +1 more source

Wear Influence on Performance of Conical Hydrodynamic Journal Bearing

Tribology in Industry, 2022
In many industries, hydrodynamic journal bearings support the rotor in rotating machineries like large turbines, generators, compressors, gearboxes, etc. where load acts in both axial as well as radial direction.
Dinesh H. Kamble, Vikas M. Phalle, Shankar S. Mantha   +2 more
doaj   +1 more source

Hydrostatic Asymmetric Journal Gas Bearings for Largely Unbalanced Rotors of Seismic ACROSS Transmitters

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2007
In currently working seismic ACROSS (Accurately Controlled Routinely Operated Signal System) transmitters, an unbalanced rotor with large eccentric mass, which generates elastic waves, is supported by roller bearings.
Tomohiko ISE, Takao TORII, Nobuyoshi MORITA, Shinichi TOGO, Makoto OKANO   +4 more
doaj   +1 more source

Fluid Film Bearings and CFD Modeling: A Review

Machines, 2023
This paper is a review of the literature about CFD modeling and analysis of journal, thrust, and aerostatic bearings; the advantages and disadvantages of each are specified, and the bearing problems that have been analyzed are discussed to improve their ...
Demetrio Pérez-Vigueras, Jorge Colín-Ocampo, Andrés Blanco-Ortega, Rafael Campos-Amezcua, Cuauhtémoc Mazón-Valadez, Víctor I. Rodríguez-Reyes, Saulo Jesús Landa-Damas   +6 more
doaj   +1 more source

Development of a new test rig for the analysis of hydrodynamic bearings for rotors of microGT [PDF]

E3S Web of Conferences, 2019
The aim of the present work is to design a test rig suited to investigate the dynamic interaction between rotor and hydrodynamic journal bearings in micro gas turbines (microGT), i.e.
Niccolini Marmont Du Haut Champ Carlo Alberto, Stefani Fabrizio, Silvestri Paolo   +2 more
doaj   +1 more source

Development of a Robust Test Rig for Tilting Pad Journal Bearing Validation

Machines, 2022
Several theoretical models for predicting the performance of tilting pad journal bearings (TPJB) have been developed by the scientific community over the years.
Danilo Alvaro da Silva, Gregory Bregion Daniel, Katia Lucchesi Cavalca   +2 more
doaj   +1 more source

Study on the performance of journal bearings in different lubricants by CFD and FSI method with thermal effect and cavitation

MATEC Web of Conferences, 2018
This paper used a new transient computational fluid dynamics and fluid–structure interaction method to investigate the journal bearing performance with the effect of thermal and cavitation, to reveal the performance of journal bearing in different ...
Li Hulin, Wang Yanzhen, Zhong Ning, Chen Yonghong, Yin Zhongwei   +4 more
doaj   +1 more source

Error Averaging Effect of Hydrostatic Journal Bearings Considering the Influences of Shaft Rotating Speed and External Load

IEEE Access, 2019
Hydrostatic journal bearings possess superior motion accuracy owing to their error averaging effect and often work under different speeds and external loads in precision applications.
Yongtao Zhang, Changhou Lu, Haixia Zhao, Weijie Shi, Peng Liang   +4 more
doaj   +1 more source

Modelling and Simulation of Aerodynamic Cylindrical Bearings Using ANSYS Hydrodynamic Bearing Element Types

Vehicles, 2023
Modern power engine concepts and environmental restrictions demand oil-free lubrication of rotors, for example, by gas bearings. However, the stiffness and damping properties ruling the rotor’s dynamics are poorly documented for aerodynamic bearings and ...
Katrin Baumann, Hermann Freund
doaj   +1 more source

Evaluation and Application of an Engineering Calculation Method of the Static Performance of an Aerostatic Journal Bearing with Multiple Orifice-Type Restrictors

Lubricants, 2022
A simplified calculation method is evaluated to calculate the static performance of an aerostatic journal bearing with multiple orifice-type restrictors.
Yangong Wu, Zheng Qiao, Wentao Chen, Jiadai Xue, Bo Wang   +4 more
doaj   +1 more source