Evaluation des cycles thermoacoustiques pour les applications de refroidissement.

Evaluation of thermoacoustic cycles for cooling applications.

Résumé

The most promising applications for thermoacoustic cooling are investigated from the perspective of the thermodynamic second law efficiency in this paper. A design optimization programme interacting with the thermoacoustic simulation program known as DELTAE was developed. Then it was applied to two of the most common configurations for standing-wave thermoacoustic coolers in order to determine the best possible second law efficiencies for various temperature spans between hot-side and cold-side stack-end temperatures. It was found that the second law efficiency of thermoacoustic coolers increases with temperature span and reaches a maximum for temperature lifts around 80°C. Analysis of the results and the losses clearly show that from an efficiency perspective, thermoacoustics performs well for refrigeration applications but poorly for both air-conditioning and cryogenic cooling. The second law efficiencies determined from measurements for various thermoacoustic coolers developed so far show a similar trend.

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  • Prix public

    20 €

  • Prix membre*

    15 €

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Détails

  • Titre original : Evaluation of thermoacoustic cycles for cooling applications.
  • Identifiant de la fiche : 2007-1571
  • Langues : Anglais
  • Source : 2006 Purdue Conferences. 18th International Compressor Engineering Conference at Purdue & 11th International Refrigeration and Air-Conditioning Conference at Purdue [CD-ROM].
  • Date d'édition : 17/07/2006

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