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Review of supermarket refrigeration and heat recovery research at KTH-Sweden.

Number: pap. n. 41

Author(s) : KARAMPOUR M., SAWALHA S., ABDI A., et al.

Summary

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 transcritical 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.

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Pages: 8 p.

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Details

  • Original title: Review of supermarket refrigeration and heat recovery research at KTH-Sweden.
  • Record ID : 30014664
  • Languages: English
  • Source: 6th Conference on Ammonia and CO2 Refrigeration Technology. Proceedings: Ohrid, North Macedonia, April 16-18, 2015.
  • Publication date: 2015/04/16

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