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Influence de la configuration des chambres sur la distribution du débit d'air dans un dépôt de fruits industriel.

Influence of room layout on airflow distribution in an industrial fruit store.

Auteurs : PRAEGER U., JEDERMANN R., SELLWIG M., NEUWALD D. A., TRUPPEL I., SCAAR H., HARTGENBUSCH N., GEYER M.

Type d'article : Article de la RIF

Résumé

Fruit and vegetables are stored for up to several months in large bin stacks in refrigerated rooms. Gaps between the bins and bin wall openings should allow the circulation of cooling air to remove field and respiration heat from produce. In an industrial apple store, the effects of the stacking array, fan position and number on airflow distribution in vertical gaps and inside plastic bins were investigated using stepwise reduction of fan revolution. At 100% fan power, the average air velocity in vertical gaps between bin rows in the main flow direction increased with reducing total cross section of the gaps. In contrast, the number of vertical gaps between bin rows had little effect on the average air speed between fruit inside the bins, probably due to additional flow paths in the horizontal gaps. The lowest air speed was measured when bins were stacked in one block without vertical gaps and a distance to the side walls of only 10 cm. A stacking arrangement with only one central vertical gap between four bin rows or with a large distance (> 1 m) between the wall opposite to the fans and the bins enhanced flow uniformity. Three fans situated above the vertical gaps was more effective for the ventilation of bins than four fans above the bin rows.

Documents disponibles

Format PDF

Pages : 714-722

Disponible

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    20 €

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    Gratuit

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Détails

  • Titre original : Influence of room layout on airflow distribution in an industrial fruit store.
  • Identifiant de la fiche : 30029177
  • Langues : Anglais
  • Sujet : Technologie
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 131
  • Date d'édition : 11/2021
  • DOI : http://dx.doi.org/10.1016/j.ijrefrig.2021.06.016
  • Document disponible en consultation à la bibliothèque du siège de l'IIF uniquement.

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