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Energy- and resource saving systems are the alternative to global warming.

Author(s) : ZAULICHNYI E. G., YAKUSHAU A. P.

Summary

The developed compact heat exchangers on the basis of a vertical gas-energy dividing tubes (VGEDT) and special high-effective bubblers and multispray distributors are characterized by large energy transfer density per unit volume of exchanger, small space, weight and cost compared to traditional conventional exchangers. VGEDT with a high efficiency of 0.92-0.96 divides the energy of the compressed gas and simultaneously generates large quantity of refrigerating and heat energy. In the applied systems with VGEDT for consumption of 2.5-3 m3/min. of the compressed air of the temperature 280-300 K generates an order 18 kilowatt of refrigeration capacity at the temperature of 280-283 K and 0.7 kilowatt heating capacity at the temperature of 360-390 K. At decreasing the temperature of the refrigerant to 250 K refrigeration capacity decreases to 1,2 kilowatt. Simultaneously, the heating capacity increases up to 18-19 kilowatt with dropping of the temperature of the hot agent from 390 to 300-310 K.

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Pages: p 180-190

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Details

  • Original title: Energy- and resource saving systems are the alternative to global warming.
  • Record ID : 1999-2919
  • Languages: English
  • Source: Natural Refrigerants, Energy Efficiency, Cost and Safety. Natural Working Fluids '98. IIR-Gustav Lorentzen Conference.
  • Publication date: 1998/06/02
  • Document available for consultation in the library of the IIR headquarters only.

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