Investigating the steady state characteristics of noncircular journal bearings lubricated with ferrofluid under concentric finite wire magnetic field

Rahmatabadi, A D; Meybodi, R Rashidi; Mehrjardi, M Zare; Ghayoumizade, F.

doi:10.1177/13506501221074811

Cited by 2 publications

(2 citation statements)

References 39 publications

(84 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The results indicated that with increasing magnetic force coefficient, side leakage in noncircular bearings and friction coefficient was significantly reduced and improvement in load bearing capacity was seen at different operating conditions especially in two lobe noncircular bearing. 35 From the above literature, it has been observed that various experimental and theoretical studies for FF were conducted in the past on different tribosystems. Still, detailed tribo-testing used for permanent magnet-based new designs must be included for FF-based tribosystems.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Effect of ferrofluid lubrication on tribological performance of metal tribopairs

Shah,

Shukla,

Patel

et al. 2024

Proceedings of the Institution of Mechanical Engineers, Part J:

View full text Add to dashboard Cite

This study has investigated the influence of ferrofluid lubrication on metal tribopairs using an indigenous Block-on-Ring tribometer as per the G77 standard. Considering the complexity of the ferrofluid-based tribosystem, the experiments were carried out based on a previously proposed level-based simplified tribosystem. It is observed that the impact of ferrofluid as an interaction parameter and magnetic field as an environmental parameter has significantly affected tribological properties, that is, ∼60% less friction and ∼74% less wear loss compared to an equivalent oil-based tribosystem. Further, it is noticed that ferritic shaft-based tribosystem lubricated with ferrofluid has better tribological characteristics compared to austenitic shaft-based tribosystem. Also, it had been that a specific testing hierarchy is followed between the performance parameters. Any changes in this testing hierarchy might affect the tribological characteristics.

show abstract

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of ferrofluid lubrication on tribological performance of metal tribopairs

Shah,

Shukla,

Patel

et al. 2024

Proceedings of the Institution of Mechanical Engineers, Part J:

View full text Add to dashboard Cite

show abstract

Numerical analysis of the effect of elastic deformation on the static characteristics of a circular journal bearing lubricated with a ferrofluid

Azzala,

Chetti,

Zidane

2024

Proceedings of the Institution of Mechanical Engineers, Part J:

View full text Add to dashboard Cite

The present study investigates the effect of elastic deformation on the static characteristics of a circular journal bearing operating with a ferrofluids. Applying momentum and continuity equation, for ferrofluid under the applied magnetic field, the modified Reynolds equation is derived using the Neuinger-Rosensweig model. A magnetic field is created by displaced finite wire. The elastic thin liner model is used for determining the displacement field at the fluid film bearing liner interface. To obtain the pressure distribution, the modified Reynolds equation is solved using finite difference technique with appropriate iterative technique incorporating Reynolds boundary conditions. The static performance characteristics for journal bearing in terms of the load carrying capacity, the attitude angle, friction coefficient and the side leakage are studied for various values of the magnetic force coefficient and the elastic deformation coefficient. According to the results obtained, it is found that the increasing of magnetic force coefficient produces an increase of the film pressure, load carrying capacity, attitude angle and side leakage, while it decreases the friction coefficient increases. In addition, it is found that the effect of the elastic deformation on the static characteristics for the journal bearing is depending to the values of the eccentricity ratio and the magnetic force coefficient. The presence of magnetic fields significantly enhances the performance of a rigid and deformable journal bearing.

show abstract

Investigating the steady state characteristics of noncircular journal bearings lubricated with ferrofluid under concentric finite wire magnetic field

Cited by 2 publications

References 39 publications

Effect of ferrofluid lubrication on tribological performance of metal tribopairs

Effect of ferrofluid lubrication on tribological performance of metal tribopairs

Numerical analysis of the effect of elastic deformation on the static characteristics of a circular journal bearing lubricated with a ferrofluid

Contact Info

Product

Resources

About