Saturated Liquid Densities for HFC-134a/PAG Mixtures

Abstract

This paper reports experimental saturated liquid densities for the mixtures of HFC-134a and polyalkyleneglycol (PAG) oil. The saturated liquid density is measured by the method using spherical floats made of glass. The experiments have been conducted for temperatures 258-353K, densities 960-1330kg・m^<-3> and oil-concentrations 0-50 mass% including pure HFC-134a. We have found that the change in saturated liquid density for the mixtures due to temperature tends to become smaller with increasing oil-concentration.