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A hybrid transient model for simulation of air-cooled refrigeration systems: description and experimental validation.

Author(s) : WU J., GAGNIERE E., COUENNE F., et al.

Type of article: Article, IJR article

Summary

In this paper are described a hybrid dynamic model for transient simulation of refrigeration systems as well as dynamic experiments that have been performed on an air/water heap pump. The machine under consideration is made of an evaporator, a condenser, an expansion valve, a variable speed scroll compressor and a receiver. The refrigerant and second fluid flows in heat exchangers are approximated by a cascade of Continuous Stirred Tank Reactors (CSTRs). This model is quite flexible since a unique structure is used for the evaporator and the condenser models according to different boundary conditions. This is due to the use of a switching procedure between different configurations based on a phase stability test that is designed to ensure the continuity of the system simulation. An analytical thermodynamic model of the refrigerant based on an equation of state is used. Good agreement between simulation results and experimental data is achieved.

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Format PDF

Pages: 142-154

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Details

  • Original title: A hybrid transient model for simulation of air-cooled refrigeration systems: description and experimental validation.
  • Record ID : 30014275
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 53
  • Publication date: 2015/05

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