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Performance of double effect absorption compression cycles for air conditioning using methanol-TEGDME and TFE-TEGDME systems as working pairs.

Author(s) : BOER D., VALLES M., CORONAS A.

Type of article: Article, IJR article

Summary

The performance of a double effect absorption cycle for trifluoroethanol (TFE)-tetraethyleneglycol dimethyether (TEGDME) and methanol-TEGDME can be improved if a compression stage is introduced between the evaporator and the absorber. The COP and primary energy ratio (PER) values in the cooling mode are significantly increased over a wide working range: the cycle can work with temperature lifts of 50 deg C at 5 deg c in the evaporator or it can also be powered by low grade heat. For these conditions COP and PER values are higher than 1 and 0.7 respectively, and the power supplied to the compressor represents up to 15% of the thermal energy supplied to the generator . As it is possible to work at high temperatures lifts, the absorber and condenser can be air cooled.

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Pages: 542-555

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Details

  • Original title: Performance of double effect absorption compression cycles for air conditioning using methanol-TEGDME and TFE-TEGDME systems as working pairs.
  • Record ID : 1999-0800
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 21 - n. 7
  • Publication date: 1998/11

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