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Experimental temperature fronts for adsorptive heat pump applications.

Author(s) : PONS M., LAURENT D., MEUNIER F.

Type of article: Article

Summary

Temperature fronts have been studied in an adsorber containing composite adsorbents (expanded natural graphite + zeolite). The adsorber is 1 meter long, 10 cm in diameter and it is built on the principle of a double pipe (adsorbent inside, heat transfer fluid outside). The heat transfer fluid flows in one direction during the hot front (heating period), and in the other direction during the cold front (cooling period). This experimental set-up permits simulating real refrigeration cycles. Performance analysis deduced from the experimental data (axial and radial temperature gradients in the adsorber, inlet and outlet temperatures and flow-rate of the heat transfer fluid) demonstrates the respective influences of heat transfer fluid mass flow-rate and cycle time. Experimental COPs of 0.9 were obtained.

Details

  • Original title: Experimental temperature fronts for adsorptive heat pump applications.
  • Record ID : 1997-0503
  • Languages: English
  • Source: Applied Thermal Engineering - vol. 16 - n. 5
  • Publication date: 1996/05

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