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Thermo-Chemical Instability and Energy Analysis of Absorption Heat Pumps

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  • Gábor L. Szabó

    (Department of Building Services and Building Engineering; University of Debrecen, H-4028 Debrecen, Hungary)

Abstract

This paper presents the results of energy analysis of absorption heat pumps. The thermo-chemical instability term was introduced for absorption heat pumps used for heating or cooling or heating and cooling. A higher thermo-chemical instability results in the equipment being more sensitive with regard to the variation of the heat source flux. This sensitivity can be taken into account when heat sources are chosen for a certain absorption machine. Absorption heat pumps having thermo-chemical compressors were compared from energy demand and energy efficiency points of view with heat pumps having mechanical compressors. As it is shown, for certain evaporation and condensation temperature values, an absorption heat pump with similar efficiency to that of the heat pump with a mechanical compressor can always be found.

Suggested Citation

  • Gábor L. Szabó, 2020. "Thermo-Chemical Instability and Energy Analysis of Absorption Heat Pumps," Energies, MDPI, vol. 13(8), pages 1-13, April.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:8:p:1966-:d:346240
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    References listed on IDEAS

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