Flux deviating technique to enhance the total magnetic flux density in the fluid flow gap of a monotube single coil MR damper

A. Ganesha, A. Amar Murthy

Research output: Contribution to journalArticle

Abstract

Magneto-Rheological (MR) fluids having the magnetic field dependent viscosity is responsible for the variable damping coefficient of MR dampers. The energy dissipated by the MR damper has a direct influence of the total magnetic flux density in the fluid flow gap. The total magnetic flux density is a function of geometric, material property and operating condition. In this paper, the flux deviating technique in the form of diamagnetictic coating is incorporated in the damper to enhance the total magnetic flux density in the fluid flow gap. The magnetostatic analysis is used to compute the magnetic flux density in the fluid flow gap of three different monotube single coil MR damper models. A significant increase in the flux density is observed in a model having a continuous diamagnetic coating. Further, a reduction in the flux density is observed for a damper model having a discontinuous coating.

Original languageEnglish
Article numberIJMPERDJUN201983
Pages (from-to)745-752
Number of pages8
JournalInternational Journal of Mechanical and Production Engineering Research and Development
Volume9
Issue number3
DOIs
Publication statusPublished - 01-01-2019
Externally publishedYes

Fingerprint

Magnetic flux
Flow of fluids
Fluxes
Coatings
Magnetostatics
Materials properties
Damping
Viscosity
Magnetic fields
Fluids

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

Cite this

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abstract = "Magneto-Rheological (MR) fluids having the magnetic field dependent viscosity is responsible for the variable damping coefficient of MR dampers. The energy dissipated by the MR damper has a direct influence of the total magnetic flux density in the fluid flow gap. The total magnetic flux density is a function of geometric, material property and operating condition. In this paper, the flux deviating technique in the form of diamagnetictic coating is incorporated in the damper to enhance the total magnetic flux density in the fluid flow gap. The magnetostatic analysis is used to compute the magnetic flux density in the fluid flow gap of three different monotube single coil MR damper models. A significant increase in the flux density is observed in a model having a continuous diamagnetic coating. Further, a reduction in the flux density is observed for a damper model having a discontinuous coating.",
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Flux deviating technique to enhance the total magnetic flux density in the fluid flow gap of a monotube single coil MR damper. / Ganesha, A.; Amar Murthy, A.

In: International Journal of Mechanical and Production Engineering Research and Development, Vol. 9, No. 3, IJMPERDJUN201983, 01.01.2019, p. 745-752.

Research output: Contribution to journalArticle

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