Elastohydrodynamic Lubrication with Polyolester Lubricants and HFC Refrigerants, Final Report, Volume 1 | Zendy

Selda Günsel | Zendy; Michael Pozebanchuk | Zendy

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Elastohydrodynamic Lubrication with Polyolester Lubricants and HFC Refrigerants, Final Report, Volume 1

Author(s) -

Selda Günsel,

Michael Pozebanchuk

Publication year - 1999

Language(s) - English

Resource type - Reports

DOI - 10.2172/8212

Subject(s) - refrigerant , lubricant , lubrication , materials science , viscosity , volume (thermodynamics) , viscosity index , refrigeration , composite material , thermodynamics , heat exchanger , physics , scanning electron microscope , base oil

The objective of this study was to investigate the film formation properties of refrigeration lubricants using the ultrathin film elastohydrodynamic (EHD) interferometry technique and to study the effects of refrigerants on film formation. Film thickness measurements were conducted as a function of lubricant viscosity, speed, temperature, and refrigerant concentration. Based on the EHD film thickness data, effective pressure-viscosity coefficients were calculated for the test fluids at different temperatures and the effects of refrigerants on pressure-viscosity properties were investigated

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