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High pressure ammonia systems: new opportunities.

Number: pap. n. R6, 2403

Author(s) : PEARSON A.

Summary

Recent developments in the industrial refrigeration, air conditioning and heat pump sector have included significant increases in the typical operating pressures of systems. With ammonia this offers several opportunities to capitalise on the high critical temperature and high index of compression of the refrigerant in order to deliver heat efficiently in the temperature range 70°C – 90°C. It also suggests that high pressure ammonia systems might be suitable for use in the Rankine Cycle to generate power from relatively low grade waste heat. This paper explores the opportunities presented by the combination of ammonia with high pressure equipment, and gives several case studies and worked examples of the way these concepts are currently being deployed to provide higher efficiency heating and cooling systems.

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Pages: 7 p.

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Details

  • Original title: High pressure ammonia systems: new opportunities.
  • Record ID : 30000555
  • Languages: English
  • Source: 2010 Purdue Conferences. 13th International Refrigeration and Air-Conditioning Conference at Purdue.
  • Publication date: 2010/07/12

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