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Entropy production analysis and experimental confirmation of absorption systems.

Author(s) : CHUA H. T., GORDON J. M., NG K. C., HAN Q.

Type of article: Article, IJR article

Summary

Absorption chillers, heat pumps and heat transformers exploit thermal power input to satisfy a variety of refrigeration and heating applications, as well as to boost the temperature of low-grade heat. Can one arrive at accurate predictions of system performance with a simple analytic irreversible thermodynamic model? In capturing the essential physics of the problem, that model would be required to provide a predictive and diagnostic tool and to permit determination of optimal absorption system operating conditions. The authors derived such a model and checked its validity against experimental data and computer simulation results from a variety of commercial absorption units. The authors reinforced the observation that commercial units appear to have evolved empirically such that maximum efficiency is realized under design conditions.

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Pages: 179-190

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Details

  • Original title: Entropy production analysis and experimental confirmation of absorption systems.
  • Record ID : 1997-2839
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 20 - n. 3
  • Publication date: 1997/05

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