Experimental COP enhancement of a CO2 transcritical refrigerating plant including thermoelectric subcooling.
Number: 151
Author(s) : ARANGUREN P., SÁNCHEZ D., CASI A., ARAIZ M., ASTRAIN D., CABELLO R.
Summary
The latter fluorinated greenhouse gases regulations are reinforcing the use of CO2 as working fluid in commercial refrigerating plants due to its ultra-low global warming potential and its natural condition. Nevertheless, the transcritical operation at high ambient temperatures provokes a decrement on their coefficient of performance promoting further investigation on this topic to optimize their behavior. This research combines thermoelectric cooling with a CO2 vapor compression facility, providing a subcooling at the exit of the gascooler that increases the COP up to the 9.9 % .
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Details
- Original title: Experimental COP enhancement of a CO2 transcritical refrigerating plant including thermoelectric subcooling.
- Record ID : 30028080
- Languages: Spanish
- Subject: HFCs alternatives
- Source: X Congreso Ibérico y VIII Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2020.
- Publication date: 2020/11/11
Links
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Indexing
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Themes:
CO2;
Supermarkets, display cabinets - Keywords: CO2; R744; Supermarket; Thermoelectric cooling; COP; Compression system; Expérimentation; Subcooling; Transcritical cycle
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