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Rational designing of two-stage absorption-ejector chilling air system.

Number: 0433

Author(s) : RADCHENKO A., RADCHENKO M., TRUSHLIAKOV E., KANTOR S., KONOVALOV D.

Summary

The method to determine a rational design refrigeration capacity of ambient air chilling systems (ACS) to cover current thermal loads in response to actual intake air parameters and provide closed to maximum annual refrigeration avoiding oversizing is proposed. The method enables to determine a rational load distribution in ambient air processing to match actual climatic conditions by deviding the overall ACS thermal load into unstable range for ambient air precooling with load fluctuations and a comparatively stable load part for further air subcooling to target temperatures. The unstable and stable load ranges are covered by applying refrigeration machines of different types: the first – by high efficient chillers not sensitive to load changes (variable speed refrigeration compressor or waste heat recovery absorption chiller), the second – by operation of chillers at about rated thermal loads (traditional compressors or ejector chilles as the simplest). Such approach is reasonable for engine intake air cooling too.

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Pages: 8

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Details

  • Original title: Rational designing of two-stage absorption-ejector chilling air system.
  • Record ID : 30028203
  • Languages: English
  • Source: 10th IIR Conference on Compressors and Refrigerants.
  • Publication date: 2021/01/13
  • DOI: http://dx.doi.org/10.18462/iir.compr.2021.0433
  • Document available for consultation in the library of the IIR headquarters only.

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