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Experimental study of an innovative absorption heat transformer using partially miscible working mixtures.

Author(s) : ALONSO D., CACHOT T., HORNUT J. M.

Type of article: Article

Summary

This article describes the principle of an innovative heat transformer cycle using a working mixture that is partially miscible at low temperature. Hence, the separation step, classically done by distillation in an absorption heat pump, is replaced by a costless one in terms of energy, obtained by simply cooling down the mixture. Results of the operation of a laboratory scale pilot unit are presented. The machine operating on an n-heptane-DMF mixture has enabled an 8 °C temperature lift with thermal efficiency varying from 30 to 40%. Hence, the practical feasibility of such a cycle was demonstrated.

Details

  • Original title: Experimental study of an innovative absorption heat transformer using partially miscible working mixtures.
  • Record ID : 2004-0161
  • Languages: English
  • Source: International Journal of thermal Sciences - vol. 42 - n. 6
  • Publication date: 2003/06

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