Measurement of solubility and viscosity of oil/refrigerant mixtures at high pressures and temperatures. Test facility and initial results for R-22/naphthenic oil mixtures
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The design and construction of a test facility for measuring the solubility and viscosity of lubricating oil/refrigerant mixtures at high pressures and temperatures are described. An auxiliary charging system, developed to provide precisely measured quantities of oil and refrigerant to the test facility, is also presented. Initial results for liquid mixtures of 10% to 40% R-22 (by mass) in a 150 SUS naphthenic oil are reported over the temperature range 70°F (20°C) to 300°F (150°C). Good agreement with existing data from the open literature is obtained over the limited temperature range for which previously published data are available
author list (cited authors)
Van Gaalen, N. A., Zoz, S. C., & Pate, M. B.