Calculating shear viscosity with confined non-equilibrium molecular dynamics: a case study on hematite – PAO-2 lubricant

Author:

Mathas Dimitrios1ORCID,Sarpa Davide1ORCID,Holweger Walter2,Wolf Marcus3,Bohnert Christof4,Bakolas Vasilios3,Procelewska Joanna3,Franke Joerg3,Rödel Philipp3,Skylaris Chris-Kriton1ORCID

Affiliation:

1. Department of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, UK

2. Mechanical Engineering Department, University of Southampton, Highfield, Southampton SO17 1BJ, UK

3. Schaeffler Technologies AG & Co. KG, Herzogenaurach, Germany

4. Department of Mechanical and Process Engineering, RPTU Kaiserslautern-Landau, Gottlieb-Daimler-Str., 67663 Kaiserslautern, Germany

Abstract

Atomistic simulations show for the first time how the variation of a lubricant's film thickness affects viscosity and at what point it eventually becomes comparable with the bulk simulation of a lubricant, at different pressures and shear regimes.

Funder

Engineering and Physical Sciences Research Council

Schaeffler Gruppe

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemical Engineering,General Chemistry

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