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Evaluation of standing-wave thermoacoustic cycles for cooling applications.

Author(s) : PAEK I., BRAUN J. E., MONGEAU L.

Type of article: Article, IJR article

Summary

The most promising applications for standing-wave thermoacoustic cooling were investigated from the perspective of the ratio of COP to the reversible COP or COPR. A design optimization program based on the thermoacoustic simulation program known as DELTAE was developed. The program was applied to two standing-wave thermoacoustic cooler configurations in order to determine the best possible COPRs for various temperature spans between hot-side and cold-side stack-end temperatures. It was found that the COPR of standing-wave thermoacoustic coolers increases with temperature span and reaches a maximum for temperature lifts around 80°C. Analysis of the results and the losses clearly shows that the efficiency of these systems may be good for refrigeration, but not for air-conditioning and cryogenic cooling. The COPRs determined from measurements for various thermoacoustic coolers developed so far show similar trends, and generally support the optimization results.

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Pages: 1059-1071

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Details

  • Original title: Evaluation of standing-wave thermoacoustic cycles for cooling applications.
  • Record ID : 2007-2619
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 30 - n. 6
  • Publication date: 2007/09

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