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Modelling of a shell-and-tube evaporator using the zeotropic mixture R407C.

Simulation du fonctionnement d'un évaporateur à tubes et calandre utilisant le mélange zéotropique R407C.

Author(s) : NECULA H., LALLEMAND M., BADEA A., et al.

Type of article: Article, IJR article

Summary

The study concerns the steady state modelling of a shell-and-tube evaporator using the zeotropic mixture R407C. In this local type model, the control volumes are a function of the geometric configuration of the evaporator in which baffles are fitted. The validation of the model has been made by comparison between theoretical and experimental results obtained from an experimental investigation with a refrigerating machine. For test conditions, the flow pattern has been identified from a flow pattern map as being stratified. Theoretical results show the effect of different parameters such as the saturation pressure, the inlet quality, etc. on the local variables (temperature, slip ratio). The effect of leakage on the mixture composition has also been investigated.

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Pages: 718-727

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Details

  • Original title: Simulation du fonctionnement d'un évaporateur à tubes et calandre utilisant le mélange zéotropique R407C.
  • Record ID : 2001-2707
  • Languages: French
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 24 - n. 7
  • Publication date: 2001/11

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