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Modelling the forced-air cooling process of fresh strawberry packages. 3. Experimental validation of the energy model.

Author(s) : FERRUA M. J., SINGH R. P.

Type of article: Article, IJR article

Summary

The aim of this study was to validate a mathematical model previously developed for predicting the cooling rate of individual packages of strawberries (clamshells) during an industrial forced-air cooling application. The differences between the predicted and experimental profiles of the average-fruit temperature per clamshell were less than 0.7°C (within the limits of the experimental uncertainty). The 7/8th cooling time of individual clamshells was predicted within less than 3% of the experimental value. In addition, the local performance of the model and its capability to predict the strawberry moisture loss were qualitatively analyzed. The moisture loss was predicted between 73 and 88% of the experimental value. The predicted temperature profile of individual fruits and airflow within clamshells followed the general trends experimentally determined. Finally, the results corroborated that the transport phenomena during force-air cooling applications can be modelled by decoupling the momentum transport from the transport of energy and mass. See also this Bulletin, references 2009-0682 and 0683.

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Pages: 359-368

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Details

  • Original title: Modelling the forced-air cooling process of fresh strawberry packages. 3. Experimental validation of the energy model.
  • Record ID : 2009-0684
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 32 - n. 2
  • Publication date: 2009/03

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