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A cold thermal energy storage unit for CO2 refrigeration using phase change material: First experimental results.
Number: 0021
Author(s) : SELVNES H., ALLOUCHE Y., HAFNER A.
Summary
Refrigeration demands in industrial food processing plants can vary significantly over a week, depending on the production schedules. As a result, it is common to experience peaks of electricity consumption due to the operation of the refrigeration equipment during the day. Integrating cold thermal energy storage (CTES) technology in the refrigeration system enables significant peak shaving, shifting the load from peak to offpeak hours. This paper presents the results obtained from an experimental study conducted on a novel platesin- tank CTES unit integrated into a pump-circulated CO2 refrigeration system at -5 °C for chilling of food. The unit consists of a stack of pillow-plates (PP) fitted in a stainless-steel container filled with an organic phase change material (melting point of -9 °C). The refrigerant circulates through the channels inside each PP and evaporates and condenses during the charging and discharging process, respectively. The storage capacity is tested, and the performance of the PP heat exchanger is evaluated.
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Details
- Original title: A cold thermal energy storage unit for CO2 refrigeration using phase change material: First experimental results.
- Record ID : 30028958
- Languages: English
- Subject: HFCs alternatives
- Source: 9th IIR Conference on Ammonia and CO2 Refrigeration Technologies. Proceedings: Ohrid, North Macedonia, 16-17 September, 2021
- Publication date: 2021/09/16
- DOI: http://dx.doi.org/10.18462/iir.nh3-co2.2021.0021
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Indexing
-
A cold thermal energy storage unit for CO2...
- Author(s) : SELVNES H., ALLOUCHE Y., HAFNER A.
- Date : 2020/12/07
- Languages : English
- Source: 14th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2020). Proceedings. Kyoto, Japon, December 7-9th 2020.
- Formats : PDF
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Carbon dioxide medium temperature refrigeration...
- Author(s) : IGNATIEV K., WYNN K.
- Date : 2021/05
- Languages : English
- Source: 2021 Purdue Conferences. 18th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
View record
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Evaluation of a pillow-plate heat exchanger for...
- Author(s) : SELVNES H., BUTTNER V., HAFNER A.
- Date : 2020/12/07
- Languages : English
- Source: 14th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2020). Proceedings. Kyoto, Japon, December 7-9th 2020.
- Formats : PDF
View record
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Analysis of residential time-of-use utility rat...
- Author(s) : SULTAN S., HIRSCHEY J., GLUESENKAMP K. R., GRAHAM S.
- Date : 2021/05/24
- Languages : English
- Source: 2021 Purdue Conferences. 6th International High Performance Buildings Conference at Purdue.
- Formats : PDF
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Study on heat transfer characteristics of PCM s...
- Author(s) : OTSUBO T., MIYATA N., IWAYA M., ENDO M., NISHIO N., HIDEMA R., SUZUKI H.
- Date : 2021/09/01
- Languages : English
- Source: 13rd IIR Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning. Proceedings: (online) Vicenza, Italy, September 1-3, 2021.
- Formats : PDF
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