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Type: Artigo de periódico
Title: Thermal process evaluation of retortable pouches filled with conduction heated food
Author: Cristianini, M
Massaguer, PR
Abstract: Two models using the finite element technique (FE) and another using an analytical solution to solve the 3-dimensional heat conduction equation for a finite plate were built. FE models were built considering the actual pouch shape and retort temperature profile. Chi-square and regression lines were obtained for each set of temperatures generated by the models against experimental data. A mass average sterilizing value of 9.9 min was estimated when a critical point sterilizing value was at 8.7 min using the 3-Dimensional FE model. Close agreement was found among the three models for heating phase. Using actual retort temperature profile made FE models more accurate than the one using analytical solution, especially for cooling phase.
Country: EUA
Editor: Food Nutrition Press Inc
Rights: fechado
Identifier DOI: 10.1111/j.1745-4530.2002.tb00573.x
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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