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Possible configurations of multiejector driven CO2 systems for Indian supermarkets.

Number: pap. 1135

Author(s) : BLUST S., HAFNER A., BANASIAK K., et al.

Summary

Paper published in poster form during the conference. An Integrated CO2 Refrigeration Facility is designed for hot climate conditions to improve the basic knowledge of the CO2 refrigeration in India, especially in the supermarket sector. The operational modes can be adapted to simulate different applications. The gas cooler outlet temperature can be regulated to simulate various ambient conditions. For Southern India, a parallel compression configuration with ejectors for expansion work recovery is the most efficient mode. It can deliver and perform freezing, refrigeration and air conditioning loads, and has a heat reclaim option. The different operation configurations help to understand the behavior of CO2 refrigeration for a wide range of applications as well as reveal the respective influences between components. The most interesting is, the possibility to demonstrate the feasibility of R744 transcritical systems as a non-HFC based alternative to HCFC-22 in retail applications in countries with high ambient temperature. The CO2 refrigeration test facility is a preparation and demonstration site for a full-scale replacement of existing commercial refrigeration installations in India.

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Pages: 9

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Details

  • Original title: Possible configurations of multiejector driven CO2 systems for Indian supermarkets.
  • Record ID : 30023748
  • Languages: English
  • Source: 13th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
  • Publication date: 2018/06/18
  • DOI: http://dx.doi.org/10.18462/iir.gl.2018.1135

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