Understanding the exergy of cold: theory and practical examples

Sabine Jansen, Nico Woudstra

Research output: Contribution to journalArticleScientificpeer-review

27 Citations (Scopus)
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Exergy analysis is used to evaluate the thermodynamic performance of processes, including energy conversion and supply systems. This often involves the calculation of the exergy of heat, at a temperature either above or below the environmental temperature (T0). The exergy of ‘cold’, i.e., heat at T < T0, is less used and therefore sometimes also less understood. This paper broadens the understanding of the exergy of cold by discussing the theory and giving two useful examples illustrating the added value of exergy when considering cold: The regasification of Liquefied Natural Gas (LNG) and the exergy demand of cooling in buildings.
Original languageEnglish
Pages (from-to)693
Number of pages20
JournalInternational Journal of Exergy
Issue number6
Publication statusPublished - 2010


  • exergy
  • exergy of cold
  • second law efficiency

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