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Performance improvement of absorption cooling systems by using staged absorption and desorption cycles.

Amélioration de la performance des machines frigorifiques à absorption par l'utilisation de cycles à absorption et désorption étagés.

Author(s) : THIOYE M.

Type of article: Article, IJR article

Summary

The study deals with staged absorption and desorption cooling systems which increase the performance of absorption cycles that are driven by only low-grade energy, particularly when the working fluids are ammonia-water. Instead of working with only one absorber, these systems use a cascade of absorbers composed of one operating at the evaporator pressure, followed by a series of absorbers operating at staged pressures. In the same way, a cascade of generators is used for desorption. For the same operating parameters for other equipment and the same COP, the systems that the author proposes permit the generators to run at temperatures below those of all other systems offered up to now and using the same working fluids.

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Pages: 136-145

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Details

  • Original title: Amélioration de la performance des machines frigorifiques à absorption par l'utilisation de cycles à absorption et désorption étagés.
  • Record ID : 1997-2841
  • Languages: French
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 20 - n. 2
  • Publication date: 1997/03

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