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Heat exchange analysis of coabsorbent cycle absorption processes.

Author(s) : STAICOVICI M. D.

Summary

This work checks how the mixture-brine, mixture-cooling water and mixture-mixture heat exchange, hosted by desorption, generation, resorption and absorption processes, fulfil the basic physics and quality conditions. The NH3-H2O and H2O-LiBr cycles at hand, are of nontruncated cooling, hybrid and truncated heat pump and multi-effect type, for air conditioning, heating and normal and deep cooling. The thermal capability based calculus, is done with a new thermal analysis tool, the „devided device” method, perfectly integrated in a cycle thermal algorithm. The results show the physical conditions are fulfilled by all cases analysed. The absorbent subcooling and preheating deficit causes a cooling and heating effect double deficit, which reduces the heat exchange quality. Applying to certain cycles subcooling and preheating hysteresis loops, could improve the heat exchange quality.

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Pages: 953-963

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Details

  • Original title: Heat exchange analysis of coabsorbent cycle absorption processes.
  • Record ID : 30001300
  • Languages: English
  • Source: Sources/sinks Alternative to the Outside Air for Heat Pump and Air-conditioning Techniques (Alternative Sources - AS), Padua, Italy, April 5-7, 2011. / International Sorption Heat Pump Conference (ISHPC11), Padua, Italy, April 6-8, 2011.
  • Publication date: 2011/04/06

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