Performance evaluation of varying nanoparticles derived from aloe vera plant for domestic refrigeration system
Rasayan journal of Chemistry(2022)
摘要
The production of Zinc oxide (ZnO) nanoparticles was made from the aloe vera plant which served as the reductant and this was mixed with mineral oil to decrease compressor effort in order to raise the efficiency of a domestic vapour compression refrigeration system. The nanoparticles were dissolved in mineral oil at different proportions of 1.50 grams, 1.25 grams, 1.00 grams, 0.75 grams as well as 0.5 grams each in 250 ml. The system was monitored for about three hours forty-five minutes (225 minutes) per sample, and the parameters for comparison are the discharge temperatures, pull-down time, and net refrigeration effect. The results indicate a reduction in discharge temperature by 4-10% from 0.2 wt. %, 0.5 wt. %, and 0.6 wt. %, and a lower pull downtime of 40% from 0.2 wt. % concentration as compared to the values from the control specimen, which contained pure mineral oil.
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关键词
aloe vera plant,nanoparticles derived
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