An experimental investigation and modelling of the viscosity refrigerant/oil solutions |
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Authors: | VP Zhelezny VV Sechenyh YuV Semenyuk AJ Grebenkov OV Beliayeva |
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Affiliation: | aOdessa State Academy of Refrigeration, 1/3 Dvoryanskaya Str., 65082 Odessa, Ukraine;bJoint Institute for Power and Nuclear Research – Sosny, 99 Akademik Krasin Str., 220109 Minsk, Belarus |
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Abstract: | This paper presents experimental data for the viscosity of solutions of refrigerant R600a (isobutane) with mineral compressor oils Azmol, Reniso WF 15A, and R245fa (1,1,1,3,3-pentafluoropropane) with polyolester compressor oil Planetelf ACD 100 FY on the saturation line. The experimental data were obtained for solution of R600a with mineral compressor oil Azmol in the temperature range from 294.7 to 338.1 K and the concentration range 0.04399 ≤ wR ≤ 0.3651, the solution of R600a with mineral compressor oil Reniso WF 15A at the temperatures from 285.8 to 348.4 K and the concentration range 0.03364 ≤ wR ≤ 0.2911, the solution of R245fa with polyolester compressor oil Planetelf ACD 100 FY at the temperatures from 309 to 348.2 and the concentration range 0.06390 ≤ wR ≤ 0.3845. The viscosity was measured using a rolling ball method. The method for prediction of the dynamic viscosity for refrigerant/oil solutions is reported. |
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Keywords: | Refrigerant Isobutane Mixture Oil Experiment Modelling ViscosityMots clé s: Frigorigè ne Isobutane Mé lange Huile Expé rimentation Modé lisation Viscosité |
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