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化工学报  2014 

纳米石墨冷冻油对R600a冰箱的性能影响

DOI: 10.3969/j.issn.0438-1157.2014.02.021, PP. 516-521

Keywords: 纳米冷冻油,分散,纳米粒子,表面活性剂,降温时间,耗电量

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Abstract:

采用硅烷偶联剂KH570对纳米石墨进行表面改性,配制了稳定性良好的纳米石墨冷冻油。依据国家标准搭建了冰箱性能测试实验台,对采用0、0.05和0.1%(质量分数)纳米石墨冷冻油的冰箱性能进行全面测量和分析。实验结果表明:加入纳米石墨冷冻油后,冰箱可以稳定安全运行,且冷却速度、压缩机吸排气压力、冷藏和冷冻温度均有一定降低。其中采用0.1%纳米冷冻油时,冰箱耗电量降低4.55%,冷冻能力也有所提升,且运行15d内可维持节能效果。

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