• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of thermal analysis and calorimetry >Experimental performance of a safe charge of LPG refrigerant enhanced with varying concentrations of TiO2 nano-lubricant in a domestic refrigerator
【24h】

Experimental performance of a safe charge of LPG refrigerant enhanced with varying concentrations of TiO2 nano-lubricant in a domestic refrigerator

机译：LPG制冷剂安全电荷的实验性能增强了国内冰箱中的TiO2纳米润滑剂的不同浓度

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

This paper presents an experimental investigation of energy consumption and heat transfer performance characteristics of a safe mass-charge of liquefied petroleum gas refrigerant, enhanced with varying concentrations of TiO2 nano-lubricants (i.e. 0.2gL(-1), 0.4gL(-1) and 0.6gL(-1)) in a domestic refrigerator. Performance parameters investigated at steady state included: instantaneous and mean power consumption, cooling capacity, coefficient of performance (COP), discharge thermal conductivity and discharge temperature. Analysis was based on temperature and pressure readings obtained from appropriate gauges attached to the test rig. Refrigerant properties were obtained from Ref-Prop NIST 9.0 software. Findings showed that reductions in mean power consumption were observed to be 14, 9 and 8% at 0.2gL(-1), 0.4gL(-1) and 0.6gL(-1) nano-lubricants respectively; the highest mean power consumption was obtained using pure compressor mineral oil while the lowest was with 0.2gL(-1) TiO2 nano-lubricant. The estimated mean cooling capacities for the various compressor lubricants were found to be higher with 0.4gL(-1) and 0.6gL(-1) nano-lubricants than pure compressor lubricant, and lower with 0.2gL(-1) nano-lubricant when compared with pure mineral oil lubricant. All the TiO2-based nano-lubricants were of higher instantaneous and mean COP values than the pure lubricant. All nano-lubricant mixtures were also found to give lower discharge temperatures than the pure lubricant. In conclusion, selected TiO2-based nano-lubricants improved the efficiency of the domestic refrigeration system considerably.
机译：本文提出了一种能耗和传热性能特征的实验研究，该液化石油气制冷剂安全大规模电荷的特点，增强了不同浓度的TiO2纳米润滑剂（即0.2gl（-1），0.4gl（-1）在家用冰箱里和0.6gl（-1））。在稳态调查的性能参数包括：瞬时和平均功耗，冷却能力，性能系数（COP），放电导热和放电温度。分析基于从连接到试验台的适当规格获得的温度和压力读数。从Ref-Prop NIST 9.0软件获得制冷剂性能。结果表明，在0.2g1（-1），0.4gl（-1）和0.6g1（-1）纳米润滑剂中，观察到平均功耗的降低为14,9和8％;使用纯压缩机矿物油获得最高的平均功耗，而最低的是用0.2gL（-1）TiO2纳米润滑剂。发现各种压缩机润滑剂的估计平均冷却能力含有比纯压缩机润滑剂的0.4gL（-1）和0.6g1（-1）纳米润滑剂更高，较低，用0.2g1（-1）纳米润滑剂与纯矿物油润滑剂相比。所有基于TiO 2的纳米润滑剂比纯润滑剂更高的瞬时和平均COP值。还发现所有纳米润滑剂混合物均产生比纯润滑剂低的放电温度。总之，选择的TiO2基纳米润滑剂大大提高了国内制冷系统的效率。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号