Static characteristics of a fluid film bearing with TiO2 based nanolubricant using the modified Krieger-Dougherty viscosity model and couple stress model

K. G. Binu; B. S. Shenoy; D. S. Rao; R. Pai

doi:10.1016/j.triboint.2014.03.013

Static characteristics of a fluid film bearing with TiO₂ based nanolubricant using the modified Krieger-Dougherty viscosity model and couple stress model

K. G. Binu, B. S. Shenoy, D. S. Rao, R. Pai

Research output: Contribution to journal › Article › peer-review

35 Citations (Scopus)

Abstract

Static characteristics of a journal bearing operating on TiO₂ based nanolubricant is obtained by a variable viscosity approach. The predicted shear viscosities of TiO₂ based nanolubricant at different volume fractions and aggregate particle sizes are obtained using modified Krieger-Dougherty model and are found to be in good agreement with experimental shear viscosities. The modified Reynolds equation considers the Krieger-Dougherty viscosities and couple stress effects of TiO₂ nanoparticle additives at different volume fractions and particle sizes. Results reveal a significant improvement in load carrying capacity of journal bearing operating on TiO₂ based nanolubricant as compared to plain oil without TiO₂ nanoparticles.

Original language	English
Pages (from-to)	69-79
Number of pages	11
Journal	Tribology International
Volume	75
DOIs	https://doi.org/10.1016/j.triboint.2014.03.013
Publication status	Published - 2014

All Science Journal Classification (ASJC) codes

Mechanical Engineering
Mechanics of Materials
Surfaces, Coatings and Films
Surfaces and Interfaces

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10.1016/j.triboint.2014.03.013

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title = "Static characteristics of a fluid film bearing with TiO2 based nanolubricant using the modified Krieger-Dougherty viscosity model and couple stress model",

abstract = "Static characteristics of a journal bearing operating on TiO2 based nanolubricant is obtained by a variable viscosity approach. The predicted shear viscosities of TiO2 based nanolubricant at different volume fractions and aggregate particle sizes are obtained using modified Krieger-Dougherty model and are found to be in good agreement with experimental shear viscosities. The modified Reynolds equation considers the Krieger-Dougherty viscosities and couple stress effects of TiO2 nanoparticle additives at different volume fractions and particle sizes. Results reveal a significant improvement in load carrying capacity of journal bearing operating on TiO2 based nanolubricant as compared to plain oil without TiO2 nanoparticles.",

author = "Binu, {K. G.} and Shenoy, {B. S.} and Rao, {D. S.} and R. Pai",

year = "2014",

doi = "10.1016/j.triboint.2014.03.013",

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AU - Binu, K. G.

AU - Shenoy, B. S.

AU - Rao, D. S.

AU - Pai, R.

PY - 2014

Y1 - 2014

N2 - Static characteristics of a journal bearing operating on TiO2 based nanolubricant is obtained by a variable viscosity approach. The predicted shear viscosities of TiO2 based nanolubricant at different volume fractions and aggregate particle sizes are obtained using modified Krieger-Dougherty model and are found to be in good agreement with experimental shear viscosities. The modified Reynolds equation considers the Krieger-Dougherty viscosities and couple stress effects of TiO2 nanoparticle additives at different volume fractions and particle sizes. Results reveal a significant improvement in load carrying capacity of journal bearing operating on TiO2 based nanolubricant as compared to plain oil without TiO2 nanoparticles.

AB - Static characteristics of a journal bearing operating on TiO2 based nanolubricant is obtained by a variable viscosity approach. The predicted shear viscosities of TiO2 based nanolubricant at different volume fractions and aggregate particle sizes are obtained using modified Krieger-Dougherty model and are found to be in good agreement with experimental shear viscosities. The modified Reynolds equation considers the Krieger-Dougherty viscosities and couple stress effects of TiO2 nanoparticle additives at different volume fractions and particle sizes. Results reveal a significant improvement in load carrying capacity of journal bearing operating on TiO2 based nanolubricant as compared to plain oil without TiO2 nanoparticles.

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JO - Tribology International

JF - Tribology International

ER -

Static characteristics of a fluid film bearing with TiO₂ based nanolubricant using the modified Krieger-Dougherty viscosity model and couple stress model

Abstract

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