Performance evaluation of graphite nanolubricant in domestic refrigerator employing R600a refrigerant

LOU Jiangfeng; ZHANG Hua; WANG Ruixiang

doi:10.3969/j.issn.0438-1157.2014.02.021

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Performance evaluation of graphite nanolubricant in domestic refrigerator employing R600a refrigerant

更新时间：2025-12-10

- Performance evaluation of graphite nanolubricant in domestic refrigerator employing R600a refrigerant
- CIESC Journal Issue 2, Pages: 516-521(2014)
- 作者机构：
  
  1. 上海理工大学能源与动力工程学院,上海,200093
  2. 北京建筑大学环境与能源工程学院,北京,100044
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.02.021
  CLC： B61+2TB383
- Online First：05 February 2014，
  
  Published：05 February 2014
- 稿件说明：
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LOU Jiangfeng, ZHANG Hua, WANG Ruixiang. Performance evaluation of graphite nanolubricant in domestic refrigerator employing R600a refrigerant[J]. CIESC Journal, 2014, (2): 516-521.
DOI：

LOU Jiangfeng, ZHANG Hua, WANG Ruixiang. Performance evaluation of graphite nanolubricant in domestic refrigerator employing R600a refrigerant[J]. CIESC Journal, 2014, (2): 516-521. DOI： 10.3969/j.issn.0438-1157.2014.02.021.

摘要

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15 d内可维持节能效果。

Abstract

Nanolubricants with good stability were prepared by modifying graphite nanoparticles with silane coupling agent KH570. A refrigerant test system was built based on the National Standard of China to test and evaluate the performance of a domestic refrigerator using nanolubricants with mass fractions of 0

0.05 and 0.1%. The results show that graphite nanolubricants work normally and safely in the refrigerator. The pull down time

compartment temperatures for storage of fresh food and frozen food

suction pressure

and discharge pressure were reduced to a certain extent. In addition

power consumption of the refrigerator was decreased by 4.55% using graphite nanolubricant with a mass fraction of 0.1%

while freeze capacity was also improved. The effect of energy saving was maintained in an operation for 15 d.

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