Viscous Compressible Slip Flows. Part 2 : Meshless Solver for Rotating Slip Flows

Mahendra, A.K.; Gouthaman, G.; Singh, Ram Kumar

doi:10.1260/1756-8315.3.1.49

Cited by 4 publications

(1 citation statement)

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“…The viscosity of lubricant oil is its tendency to resist flow, which is directly related to film formation during lubrication. Whether at room or high temperature, the temperature must be high enough to keep good oil film formation between the moving parts but not too high to give effective lubrication. , Viscosity index indicates the extent of viscosity change of a lubricant along with change in temperature. Higher viscosity index values indicate that a fluid is more resistant to viscosity loss with increasing temperature.…”

Section: Results and Discussionmentioning

confidence: 99%

High-Performance Lubricant Base Stocks from Biorenewable Gallic Acid: Systematic Study on Their Physicochemical and Tribological Properties

Fan

Zhang

Wen

et al. 2017

Ind. Eng. Chem. Res.

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Synthesis, characterization, and evaluation of a series of gallate derivatives as lubricant base stocks are described. The gallate derivatives were synthesized via sequential esterification and alkylation reactions from biorenewable raw material gallic acid. All the synthesized gallate derivatives were structurally characterized by using NMR, IR, and HRMS spectral data. Their physicochemical and lubricating properties including density, viscosity, viscosity index, pour point, flash point, volatility, corrosion level, thermal and oxidation stability, and frictionreducing and antiwear properties were systematically investigated. On the basis of the physicochemical and lubricating data, it can be concluded that gallate derivatives have good properties in terms of viscosity−temperature characteristics, corrosion ability, volatility, and low-temperature flow ability. More important, they have predominant thermal and oxidation stability, as well as hightemperature friction-reducing and antiwear performances compared with the existing synthetic ester oils. These favorable technical performances together with their biological available resources recommend gallate derivatives as excellent base stocks for the development of high-performance green lubricant products.

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Section: Results and Discussionmentioning

confidence: 99%