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Thermal energy storage potential in supermarkets
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Applied Thermodynamics and Refrigeration.
2014 (English)In: Refrigeration Science and Technology, 2014, 452-459 p.Conference paper (Refereed)
Abstract [en]

The objective of this research is to evaluate the potential of thermal energy storage in supermarkets with CO2 refrigeration systems. Suitable energy storage techniques are investigated and the seasonal storage technology of boreholes is chosen to be the focus of the study. The calculations are done for four supermarket refrigeration systems with different combinations of heating systems. The two heating systems analyzed are the ground source heat pump and the heat recovery from the supermarket's refrigeration system. The simulation results show that the introduction of thermal energy storage in the scenarios with ground source heat pump can reduce the annual total energy by about 6%. Moreover, it is established that a supermarket system with heat recovery consumes 8% less energy than the one using ground source heat pump.

Place, publisher, year, edition, pages
2014. 452-459 p.
, Refrigeration Science and Technology, ISSN 0151-1637
Keyword [en]
Carbon dioxide, Energy storage, Heat pump systems, Heat storage, Heating equipment, Pumps, Refrigeration, Retail stores, Thermal energy, Waste heat, Heating system, Refrigeration system, Seasonal storage, Storage technique, Supermarket refrigeration, Total energy, Geothermal heat pumps
National Category
Energy Systems
URN: urn:nbn:se:kth:diva-175693ISI: 000346090200056ScopusID: 2-s2.0-84908069283ISBN: 9782362150036OAI: diva2:861935
3rd IIR International Conference on Sustainability and the Cold Chain, ICCC 2014, 23 June 2014 through 25 June 2014

QC 20160926

Available from: 2015-10-19 Created: 2015-10-19 Last updated: 2016-09-26Bibliographically approved

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