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THE USE OF TIO2 NANOPARTICLES IN THE RECIPROCATING COMPRESSOR LUBRICANT TO INCREASE THE EXERGY EFFICIENCY OF VAPOUR COMPRESSION REFRIGERATION SYSTEM
THE USE OF TIO2 NANOPARTICLES IN THE RECIPROCATING COMPRESSOR LUBRICANT TO INCREASE THE EXERGY EFFICIENCY OF VAPOUR COMPRESSION REFRIGERATION SYSTEM
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机译：TIO2纳米粒子在往复式压缩机润滑剂中的使用以提高蒸气压缩制冷系统的能效
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摘要
The refrigerator exergy efficiency (EE) with nanoparticles in the working fluid was investigated experimentally. Mineral oil (MO) with TiO2 nanoparticles mixtures were used as the lubricant instead of Polyol ester (POE) oil in the R134a, R436A (R290/R600a-56/44-weight %) and R436B (R290/R600a-52/48-weight %) refrigerator. The results indicate that R134a, R436A and R436B and MO with TiO2 nanoparticles work normally and safely in the refrigerator. The refrigerator EE (34.1, 40.1 and 41.6%) was better than the R134a, R436A and R436B and POE oil system (23.4, 35.3 and 37.7%).The same tests with Al2O3 nanoparticles showed that the different nanoparticles properties have little effect on the refrigerator EE. Thus, TiO2 nanoparticles can be used in refrigerator to considerably increase the EE.
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