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Dynamic model and experimental study of an air–water heat pump for residential use.

Author(s) : KOURY R. N. N., FARIA R. N., NUNES R. O., et al.

Type of article: Article, IJR article

Summary

This paper presents a study of the dynamic behavior of a vapor compression heat pump for residential water heating. The mathematical models for heat exchangers are formulated by using mass, momentum, and energy conservation equations, while capillary tube model is based on the equations of conservation of momentum. The model is formulated from the manufacturer experimental data and the energy conservation balance. The contribution of this study to the field of dynamic modeling appears on the convergence of models of heat exchangers, this being accomplished with a variable error in spatial and time minimizing the instabilities in the calculation. The coupling among the four components allows the determination of the spatial and temporal profiles of temperatures, pressures and mass flow rates, as well as the refrigerant distribution in the heat exchangers during the water heating process. The validation of the model is done by comparison with the experimental results.

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Pages: 674-688

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Details

  • Original title: Dynamic model and experimental study of an air–water heat pump for residential use.
  • Record ID : 30007248
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 36 - n. 3
  • Publication date: 2013/05

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