Problems of Selection of Lubricants for Ethylene High-Pressure Compressors. 3. Investigation of Viscous-and-Thermal Properties of Lubricants

H.О. Sirenko; І.V. Sulyma; N.V. Shmaltser

doi:10.15330/pcss.18.3.365-371

Authors

H.О. Sirenko Vasyl Stefanyk Precarpathian National University
І.V. Sulyma Vasyl Stefanyk Prekarpathian University
N.V. Shmaltser Vasyl Stefanyk Prekarpathian University

DOI:

https://doi.org/10.15330/pcss.18.3.365-371

Keywords:

lubricant, ethylene compressor, relative temperature coefficient, interval temperature coefficient, logarithm of viscosity

Abstract

The viscous-and-thermal properties of naphtene and polyglycol oils and compositions on their basis have been studied. The investigate lubricants for high-pressure ethylene compressors have estimated according to a complex criterion which is included the со-relation of viscosity of oils for two temperatures; relative and interval temperature coefficient of viscosity and three coefficients of an adequate equation of approximation of dependence the logarithm of viscosity on the logarithm of temperature. A comprehensive assessment made it possible to complite the lubrication efficiency rows.

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