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Coupling a two-stage absorption heat transformer with finite heat sources and sinks.

Author(s) : CIAMBELLI P., TUFANO V.

Type of article: Article

Summary

A novel configuration is proposed, in which the evaporator of the second stage is fed both by the absorber of the first stage and by the external source. A lumped-parameter mathematical model is used to compute the performance of the proposed two-stage heat transformer. It has been found that the range of applicability is widened, when compared with the usual configuration. Moreover, the use of a two-stage apparatus allows one to noticeably increase the performance compared with that obtainable with a simpler single-stage transformer. Thus, it is possible to increase the output heat and/or the user temperature, to reduce the discharge temperature, or to use lower quality energy sources.

Details

  • Original title: Coupling a two-stage absorption heat transformer with finite heat sources and sinks.
  • Record ID : 1993-0443
  • Languages: English
  • Source: Heat Recov. Syst. CHP - vol. 12 - n. 3
  • Publication date: 1992/05

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