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Thermodynamic comparison of magnetocaloric and vapor compression domestic wine coolers.
Number: 2294
Author(s) : SA de N. M., NAKASHIMA A. T. D., LOZANO J. A., BARBOSA J. R. Jr
Summary
This paper presents a comparative study of magnetocaloric and vapor compression wine coolers. The vapor compression system is a commercially available 31bottle climate class N appliance, whereas the magnetic cooling device is a TRL5 prototype connected to the retrofitted insulated cabinet of the same VC cooler. Test procedures included temperature pulldown and standardized steadystate energy consumption tests. Detailed instrumentation of both systems allowed a lowlevel comparison in terms of firstand secondlaw based parameters that is unique in the literature. Although the vapor compression system is more efficient than the present magnetic cooling prototype, the behavior of its internally ideal COP led to significant, but realistic design improvements which were evaluated and quantified via a genetic algorithmbased optimization aimed at reducing the system mass and the power consumption. The numerical model, supported by the experimental data, indicate that magnetic cooling systems, although bulkier than their vapor compression counterpart, can be competitive in terms of thermodynamic performance.
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Details
- Original title: Thermodynamic comparison of magnetocaloric and vapor compression domestic wine coolers.
- Record ID : 30028455
- Languages: English
- Subject: Technology
- Source: 2021 Purdue Conferences. 18th International Refrigeration and Air-Conditioning Conference at Purdue.
- Publication date: 2021/05
- Document available for consultation in the library of the IIR headquarters only.
Links
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Indexing
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Themes:
Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling);
Domestic applications (refrigerators, freezers) - Keywords: Magnetocaloric cooling; Wine; Household refrigerator; Compression system; Prototype; Modelling; Expérimentation; COP; Energy consumption; Comparison
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