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July 19, 2026Tribology LettersOpen Access

High-Pressure Rheology of Squalane:Shear Dependence

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Authors

SBScott BairGeorgia Institute of Technology

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Implication

Randomized trial evaluates film thickness and friction in elastohydrodynamic lubrication, indicating simulation limitations.

Key Points

  • This research aims to investigate the shear dependence of film thickness and friction in elastohydrodynamic lubrication, comparing viscometry and simulation results.
  • Utilized high-pressure viscometers to measure shear stress and film thickness.
  • Applied non-equilibrium molecular dynamics simulations to analyze lubrication behavior.
  • Evaluated constitutive behavior under varying temperature and pressure conditions.
  • Viscometry provides reliable predictions for film thickness and friction under shear conditions.
  • NEMD simulations yielded inaccurate constitutive behavior compared to viscometers, except in low-viscosity scenarios.
  • Significant enhancement in the shear stress measurements of pressurized thin-film viscometers was observed.

Cite This Study

Scott Bair (2026) studied this question.

synapsesocial.com/papers/6a5c69fb118b92953e3ee2dchttps://doi.org/10.1007/s11249-026-02178-1
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