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Two- and three-dimensional CFD applied to vertical display cabinets simulation.

Author(s) : D'AGARO P., CORTELLA G., CROCE G.

Type of article: Article, IJR article

Summary

A commercial CFD code has been employed to simulate the air flow pattern and the temperature distribution in a frozen food vertical display cabinet. At first the choice of solver parameters has been investigated in a 2D modelisation. 3D simulations have been then performed, and the effects of the cabinet length, of the warm air curtain and of longitudinal ambient air movement have been investigated. The results show that, in short cabinets, 3D secondary vortices at the side walls provide the most important mechanism for hot air entrainment. Comparison with experimental results shows that a 2D simulation is totally inadequate for such configurations, while 3D computations predict refrigeration power within engineering accuracy. Furthermore, the computed refrigerating power shows that even low room air velocity, due to its interaction with the end-wall vortices, has a significant impact on cabinet performance.

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Pages: 178-190

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Details

  • Original title: Two- and three-dimensional CFD applied to vertical display cabinets simulation.
  • Record ID : 2006-1273
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 29 - n. 2
  • Publication date: 2006/03

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