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A new advanced exergy analysis of sorption systems: characterisation of transiting exergy and exergy yield concept.

Author(s) : STITOU D., SPINNER B., SORIN M.

Summary

Exergy analysis of sorption systems based on the classical Grassman efficiency, defined as the ratio of total outlet exergy to the total inlet exergy, is debatable. A ratio that would be close to one does not provide accurate information about the real thermodynamic quality of the exergy conversion taking place in an energy conversion process. A new definition of exergy efficiency, the exergy yield, is presented, taking into account the transit exergy and the exergy selectivity. The exergy yield enables precise analysis of exergy flows within the conversion system. This new exergy yield concept has proven to be useful when applied to a solid-gas thermochemical system.

Details

  • Original title: A new advanced exergy analysis of sorption systems: characterisation of transiting exergy and exergy yield concept.
  • Record ID : 2001-0156
  • Languages: English
  • Source: Proceedings of the International Sorption Heat Pump Conference.
  • Publication date: 1999/03/24
  • Document available for consultation in the library of the IIR headquarters only.

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