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Cooling-rankine absorption cycles. 1: single-stage case.

Number: pap. n. 38 part 1

Author(s) : STAICOVICI M. D.

Summary

The Cooling-Rankine Absorption Cycle (CRAC) is introduced, producing complementary cooling and work in partial load cooling with full heat availabilily. The paper shortly presents cooling and working state-of-the- art and CRAC operation and thermal aspects. The Rankine cycle working fluid is condensed by absorption cooling cycle evaporation. CRAC is modeled for two coabsorbent cooling cycles, of classic single-stage and double truncated types and NH3-H2O. The results are obtained for a sink of T M,c= 32°C,a desorber inlet of T DI= ((-10)-(-60))°C and five fractions of vapor covering the Rankine cycle, f , 0= f =1. The single-stage is supplied by a source of T M,h =(90-180)°C and the double truncated by one of T M,h=(60-100)°C and one coming of a power station condenser. The cooling and working vary within (0-1400)(kJ / kg) and (0-460)(kJ / kg). The results of cooling COPc=0.2-0.65 and working, ?=0.025-0.105 and ?exergy=0.2-0.5, show promise by using CRAC in the future cooling and working.

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Details

  • Original title: Cooling-rankine absorption cycles. 1: single-stage case.
  • Record ID : 30014645
  • 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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