Oxygen transmission rate through micro-perforated films: Measurement and model comparison

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Abstract

Static and flow-through techniques were used to experimentally measure the oxygen transmission rate of micro-perforated films. The static method simulates the actual package conditions but is very time consuming. Whereas, the flow-through method is relatively simple and takes less time to give the results, but it gave higher values than that obtained by the static method. A regression equation was developed to correlate the data obtained by these two methods. Published models for predicting gas exchange through micro-perforations were evaluated. The predicted data by these models were compared with the experimental data obtained by the static method and the flow-through method for six different films. The model proposed by Fishman et al. (1996) (J = -D(c-cA)/Lh; Lh = thickness of the film + radius of the perforation) had very good agreement with the experimental data from the static method.

Original languageEnglish (US)
Pages (from-to)113-133
Number of pages21
JournalJournal of Food Process Engineering
Volume24
Issue number2
DOIs
StatePublished - May 2001

All Science Journal Classification (ASJC) codes

  • Food Science
  • Chemical Engineering(all)

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