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Simulation of ternary ammonia-water-salt absorption refrigeration cycles.

Author(s) : BALAMURU V. G., IBRAHIM O. M., BARNETT S. M.

Type of article: Article, IJR article

Summary

This paper proposes a new working fluid for refrigeration cycles utilizing low temperature heat sources. The proposed working fluid consists of the ammonia-water working fluid mixture and a salt. The salt is used to aid the removal of ammonia from the liquid solution. This effect is a manifestation of the well known "salting-out" effect. While the addition of salt improves the generator performance, it also has a detrimental effect on the absorber. The overall effects on the performance of three absorption cycles using the NH3-H2O-NaOH working fluid have been investigated using computer simulations. The results indicated that salting out can lower the generator operating temperature while simultaneously improving the cycle performance. Furthermore, limiting the salt to the generator suggests potential for further improvement in cycle performance.

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Pages: 31-42

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Details

  • Original title: Simulation of ternary ammonia-water-salt absorption refrigeration cycles.
  • Record ID : 2000-0733
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 23 - n. 1
  • Publication date: 2000/01

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