The experimental work presented here investigates the compressor energy consumption and performance parameters of a mass charged with R134a refrigerant, enhanced with distinct fractions of multi-wall carbon nanotubes (MWCNT) particles in a domestic vapor compression refrigeration cycle. Performance parameters examined at steady state included: compressor characteristics on suction–discharge ports (i.e., pressure and temperature), mean compressor energy consumption, performance coefficient and an evaporator cabin temperature. A mixture (called nanolubricant) of MWCNT and mineral oil was first synthesized using two-step method and then integrated with base fluid to prepare nanorefrigerants. The experimental results showed a maximum reduction in mean compressor energy consumption of about 31% using MWCNT-based nanolubricants at a mass fraction of about 0.5%. The estimated cooling performance was enhanced by 9% using MWCNT-based nanorefrigerant. The least discharge temperature about 55 °C was noticed with 140 g mass charge of R134a using 0.5% MWCNT fraction which is slightly 2 °C low compared to the pure R134a. The evaporator cabin temperature for R134a using 0.5% MWCNT particle fraction was improved about 13%. The experimental results showed that tested nanorefrigerant can be more efficient than R134a in domestic refrigeration cycle.

此处介绍的实验工作研究了充有 R134a 制冷剂的质量的压缩机能耗和性能参数，在家用蒸汽压缩制冷循环中用不同分数的多壁碳纳米管 (MWCNT) 颗粒增强。在稳定状态下检查的性能参数包括：压缩机吸排气口特性（即压力和温度）、平均压缩机能耗、性能系数和蒸发器舱温度。首先使用两步法合成多壁碳纳米管和矿物油的混合物（称为纳米润滑剂），然后与基液结合以制备纳米制冷剂。实验结果表明，使用质量分数约为 0.5% 的基于 MWCNT 的纳米润滑剂，平均压缩机能耗最大降低了约 31%。使用基于 MWCNT 的纳米制冷剂，估计的冷却性能提高了 9%。注意到使用 0.5% MWCNT 分数的 140 g R134a 的最低放电温度约为 55 °C，与纯 R134a 相比，该分数略低 2 °C。使用 0.5% MWCNT 颗粒分数的 R134a 的蒸发器舱温度提高了约 13%。实验结果表明，被测纳米制冷剂在国内制冷循环中的效率高于R134a。5% MWCNT 分数与纯 R134a 相比略低 2°C。使用 0.5% MWCNT 颗粒分数的 R134a 的蒸发器舱温度提高了约 13%。实验结果表明，被测纳米制冷剂在国内制冷循环中的效率高于R134a。5% MWCNT 分数与纯 R134a 相比略低 2°C。使用 0.5% MWCNT 颗粒分数的 R134a 的蒸发器舱温度提高了约 13%。实验结果表明，被测纳米制冷剂在国内制冷循环中的效率高于R134a。