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Review of supermarket refrigeration and heat recovery research at KTH-Sweden
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Applied Thermodynamics and Refrigeration.ORCID iD: 0000-0002-2895-774X
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Applied Thermodynamics and Refrigeration.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Applied Thermodynamics and Refrigeration.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Applied Thermodynamics and Refrigeration.
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2015 (English)In: 6th IIR Conference: Ammonia and CO2 Refrigeration Technologies, Ohrid, Macedonia: International Institute of Refrigeration, 2015Conference paper, Published paper (Refereed)
Abstract [en]

This paper reviews findings of main projects at the Royal Institute of Technology (KTH), Sweden on supermarket refrigeration and heat recovery systems. A main focus of the research has been on CO2 trans-critical booster system, as the emerging solution in the Swedish market, where its performance has been often compared with the conventional HFC solutions.The field measurements project investigates several supermarket installations with CO2 and conventional HFC systems, where detailed performance comparisons have been performed.In addition to the standard methods for field data analysis of refrigeration systems, a simplified method has been proposed to monitor the real-time performance of the refrigeration systems in a supermarket. Proper control strategy for heat recovery has also been investigated by computer modeling and field measurement analysis.Another major study has been examining the improvement of energy efficiency using short- and long-term thermal storage in supermarkets. Daily and yearly storage solutions have been proposed and studied in this project.Focusing on improvement in energy efficiency in supermarkets, state-of-the-art refrigeration systems have been defined for further investigations and an existing supermarket modeling software developed at KTH (CyberMart) is being upgraded to investigate the recent solutions in the market.

Place, publisher, year, edition, pages
Ohrid, Macedonia: International Institute of Refrigeration, 2015.
National Category
Engineering and Technology
Research subject
Energy Technology
Identifiers
URN: urn:nbn:se:kth:diva-175684OAI: oai:DiVA.org:kth-175684DiVA: diva2:861910
Conference
6th IIR Conference: Ammonia and CO2 Refrigeration Technologies, Ohrid, Macedonia, 2015
Funder
Swedish Energy Agency
Note

NQC 20151216

Available from: 2015-10-19 Created: 2015-10-19 Last updated: 2015-12-16Bibliographically approved

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Karampour, Mazyar

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