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Numerical and experimental analysis of the air flow distribution in the cooling duct of a display cabinet.

Expérimentation et simulation numérique de l'écoulement d'air dans le conduit d'un meuble frigorifique.

Author(s) : MARINETTI S.

Type of article: Article, Case study

Summary

This work presents an experimental and numerical analysis of the flow distribution in the cooling duct of a commercial refrigerated display cabinet. The analysis is carried out on a channel mock-up, in which the air is forced through the evaporator by two fans. A steady-state isothermal numerical analysis of the flow distribution is performed with the commercial code ANSYS-CFX and the scale-adaptive simulation (SAS) method is used to model the turbulence. The numerical results are compared with the 3D air velocity fields, taken on three planes placed at different heights inside the duct, by the stereoscopic particle image velocimetry (PIV) technique. Once validated, the model allows a better comprehension of the flow mal-distribution source and its effect on the velocity field at evaporator exit.

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Pages: 25

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Details

  • Original title: Expérimentation et simulation numérique de l'écoulement d'air dans le conduit d'un meuble frigorifique.
  • Record ID : 30008221
  • Languages: French
  • Source: Revue générale du Froid & du Conditionnement d'air - vol. 103 - n. 1135
  • Publication date: 2013/07

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