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Optimizing the thermal effectiveness of an insulation wrap with internal folded polypropylene film for the transportation of frozen food.

Author(s) : KASPERSKI J., GRABOWSKA B.

Type of article: Article, IJR article

Summary

The paper presents an investigation of the thermal performance of an innovative insulation wrap for food freezing, transportation and storage. The wrap is made of two outer polypropylene films and an internal folded polypropylene film welded together to form rectangular internal air cells. A mathematical model of heat transfer is presented and experimentally validated, with discrepancies less than 10% when there is no internal convection effect and generally less than 12% when internal convection is present. A thermal effectiveness of film usage was proposed and analyzed in order to find the best fold geometry. A mathematical model of the effectiveness and its experimental validation showed good agreement (discrepancies less than 13%). By using a criteria map, we recommend the following geometry: wrap thickness more than 5 and less than 10?mm; fold spacing more than 6 and less than 10?mm.

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Pages: 42-53

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Details

  • Original title: Optimizing the thermal effectiveness of an insulation wrap with internal folded polypropylene film for the transportation of frozen food.
  • Record ID : 30017756
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 67
  • Publication date: 2016/07

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