What question did this study set out to answer?

To develop a self-consistent theoretical framework for determining pressure, shear, and flow in lubricating films within high-speed bearings by accounting for turbulent momentum transport and fluid inertia.

January 1, 1974Journal of Lubrication Technology

Calculation of Pressure, Shear, and Flow in Lubricating Films for High Speed Bearings

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Authors

CPC. H. T. PanShandong Jianzhu University

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Implication

Theoretical modeling demonstrates modified pressure and shear dynamics in high-speed bearing lubricating films, highlighting the impact of convective momentum transport.

Key Points

To develop a self-consistent theoretical framework for determining pressure, shear, and flow in lubricating films within high-speed bearings by accounting for turbulent momentum transport and fluid inertia.
Formulated a perturbation method for inertial effects as an extension of linearized turbulent lubrication theory.
Adjusted edge entrance pressure boundary conditions using total pressure transport conservation to incorporate developing shear and convective momentum transport.
Identified that high Reynolds numbers require concurrent modeling of transient acceleration and convective momentum in turbulent equilibrium conditions.
Demonstrated that entrance edge boundary modifications successfully capture total pressure transport and shear development under high-velocity regimes.

Cite This Study

C. H. T. Pan (1974) studied this question.

synapsesocial.com/papers/6aa65611fead615dbf3a4bb3 https://doi.org/10.1115/1.3451919

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Implication

Theoretical modeling demonstrates modified pressure and shear dynamics in high-speed bearing lubricating films, highlighting the impact of convective momentum transport.

Calculation of Pressure, Shear, and Flow in Lubricating Films for High Speed Bearings

Discussion

Member takes

Implication

Key Points

Cite This Study

Calculation of Pressure, Shear, and Flow in Lubricating Films for High Speed Bearings

Discussion

Member takes

Implication

Key Points

Cite This Study

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