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Cool storage has been considering an efficient and cost-effective means to enhance the behavior of a refrigerator. However, its drawback in temperature control of the refrigerator compartment has not received enough attention. The controllable two-phase loop thermosyphon has the prospect of solving this problem. In this study, a novel cool-storage refrigerator integrated with a controllable two-phase loop thermosyphon is built to investigate its precise temperature control capacity. The phase change material is optimized by the orthogonal experiment method. The controllable two-phase loop thermosyphon presents the optimal cooling performance for the fresh food compartment when the filling ratio is 27.0%. As the average temperature of the fresh food compartment increases, the one on–off cycle of the controllable two-phase loop thermosyphon maintains at 32.0 min, and the operation ratio varies from 86.3% to 13.6%. The temperature control accuracy can be improved from 2.1 °C to 0.6 °C and the overall time of one on-off cycle decreases from 49.8 min to 22.4 min. The operation ratio gradually increases from 7.2% to 38.6% as the ambient temperatures increase. The results demonstrate that the controllable two-phase loop thermosyphon is a feasible and effective way to improve the temperature control performance of the cool-storage refrigerator.
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Details
- Original title: Experimental study of a novel cool-storage refrigerator with controllable two-phase loop thermosyphon.
- Record ID : 30028691
- Languages: English
- Subject: Technology
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 129
- Publication date: 2021/09
- DOI: http://dx.doi.org/10.1016/j.ijrefrig.2021.04.009
- Document available for consultation in the library of the IIR headquarters only.
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Indexing
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Themes:
Domestic applications (refrigerators, freezers);
Thermal energy storage;
Energy efficiency, energy savings;
Two-phase secondary refrigerants (PCMs, ice slurries…) - Keywords: Household refrigerator; Thermal energy storage; Thermosyphon; Expérimentation; PCM; Temperature; Optimization; Performance
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- Source: International Institute of Refrigeration
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- Date : 2022/10
- Languages : English
- Source: Energies - vol. 15 - n. 20
- Formats : PDF
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- Author(s) : WANG H., LIU Z., CHENG X.
- Date : 2014/03
- Languages : Chinese
- Source: Refrigeration - vol. 33 - n. 3
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Novel design and performance enhancement of dom...
- Author(s) : MARQUES A. C., DAVIES G. F., MAIDMENT G. G., et al.
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Energy management and CO2 mitigation using phas...
- Author(s) : ORÓ E., MIRÓ L., FARID M. M., et al.
- Date : 2014/06
- Languages : English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 42
- Formats : PDF
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