Results 11 to 20 of about 4,317 (295)

An Advanced Microturbine System with Water-Lubricated Bearings [PDF]

open access: yesInternational Journal of Rotating Machinery, 2009
A prototype of the next-generation, high-performance microturbine system was developed for laboratory evaluation. Its unique feature is its utilization of water.
Susumu Nakano   +3 more
doaj   +3 more sources

Review of the evolution and prevention of friction, wear, and noise for water-lubricated bearings used in ships

open access: yesFriction, 2023
With the development of green tribology in the shipping industry, the application of water lubrication gradually replaces oil lubrication in stern bearings and thrust bearings.
Zhuo Zhang   +10 more
doaj   +3 more sources

Tribological and Vibration Properties of Three Different Polymer Materials for Water-Lubricated Bearings. [PDF]

open access: yesMaterials (Basel), 2020
Water-lubricated bearings usually operate under severe environmental conditions, most likely in the mixed regime, in which surface contact between the drive shaft and the bearing sleeve is often significant.
Wu K   +5 more
europepmc   +3 more sources

Enhancing performance in water lubricated bearings with groove structures: a CFD analysis

open access: yesCogent Engineering
As the development of green tribology in marine industries has gained traction, there has been a gradual shift in the utilization of water-lubricated bearings over oil lubrication in stern tube bearings.
Girish Hariharan   +3 more
doaj   +4 more sources

Effect of Groove Structure on Lubrication Performance of Water-Lubricated Stern Tube Bearings

open access: yesLubricants, 2023
This study investigated the lubrication characteristics (i.e., the groove ratio and width) of water-lubricated stern tube bearings, based on the flexibility matrix method and lubrication theory.
Shengdong Zhang
doaj   +2 more sources

Numerical Analysis of the Mixed-Lubrication Performance of Staved Stern Tube Bearings Lubricated with Water

open access: yesLubricants, 2023
The present study aims to establish a mixed lubrication model for staved stern tube bearings lubricated with water, in which the average Reynolds equation and a KE elastic–plastic contact model are introduced to calculate the hydrodynamic pressure and ...
Dongxing Tang   +3 more
doaj   +2 more sources

Dynamic characteristics of water-lubricated journal bearings

open access: yesMechanics & Industry, 2019
The increasing ecological awareness and stringent requirements for environmental protection have led to the development of water lubricated journal bearings. For the investigation of water-lubricated journal bearings, a new structured mesh movement algorithm for the CFD model is developed and based on this method, the nonlinear transient hydrodynamic ...
Qiang Li   +5 more
openaire   +2 more sources

Experimental Study on the Dynamic Performance of Water-Lubricated Rubber Bearings with Local Contact [PDF]

open access: yesShock and Vibration, 2018
Accurate dynamic characteristic coefficients of water-lubricated rubber bearings are necessary to research vibration of ship propulsion system. Due to mixed lubrication state of water-lubricated rubber bearings, normal test rig and identification method ...
Wu Ouyang   +3 more
doaj   +2 more sources

Advancements and Challenges in Water-Lubricated Bearings for Marine Applications: A Comprehensive Review

open access: yesTribology Online
This paper examines the evolution of water-lubricated bearings (WLBs) and explores the use of water as a lubricant, highlighting the technological challenges involved in commercialising WLBs for marine applications.
Praveen Kumar   +2 more
doaj   +2 more sources

Nonlinear transient analysis of water lubricated bearing in the turbulent regime. [PDF]

open access: yesSci Rep
AbstractInfluence of turbulence on the stability characteristics of a water lubricated journal bearing is analyzed. Locus of the journal centre is plotted using the non – linear transient analysis method for different flow regimes of the bearing subjected to three different types of loading.
Mallya R, Pai R, Shenoy Baloor S.
europepmc   +4 more sources

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