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Design and experimental study of a second type absorption heat exchanger.

Author(s) : HU J., XIE X., JIANG Y.

Type of article: IJR article

Summary

Absorption heat exchanger(AHE), as a kind of heat transformation device, is widely used in long-distance heat transportation system, waste heat recovery and other heat exchange processes with large flow ratio on both sides. A second type of absorption heat exchanger was first designed, manufactured, and tested to get the performance in this research. The falling-film prototype absorption heat exchanger is consisting of a multi-section absorption heat transformer and a plate heat exchanger, using LiBr-H2O as working fluid. Under different working conditions, the tested results showed that the outlet temperature of the heat sink water was 916 K higher than the inlet temperature of the water on the heat source side. The coefficient of performance (COP) of the absorption heat transformer (AHT) was between 0.33 and 0.42. The temperature efficiency of the absorption heat exchanger was 1.24–1.35. Finally, the simulation model used to design the prototype machine was verified by the test results.

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Details

  • Original title: Design and experimental study of a second type absorption heat exchanger.
  • Record ID : 30027696
  • Languages: English
  • Subject: Technology
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 118
  • Publication date: 2020/10
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2020.05.030

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