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Type: Artigo de periódico
Title: On the influence of glass transition on shrinkage in convective drying of fruits: A case study of banana drying
Author: Katekawa, ME
Silva, MA
Abstract: The ideal shrinkage model assumes that the extent of shrinkage is equal to the volume of liquid water removed from the dried medium. Generally if a material undergoes glass transition during the drying process, shrinkage will no longer be ideal. The aim of this study was to observe how the glass transition temperature influences the shrinkage kinetics. Cylindrical banana samples were dried. Shrinkage extent was significant for all drying conditions (temperature: 30-50 degrees C, relative humidity: 0-80%). Deviation from linearity was found to be affected not only by drying air temperature but also by its relative humidity.
Subject: desorption isotherm
drying flux
first drying period
glass transition temperature
Country: EUA
Editor: Taylor & Francis Inc
Citation: Drying Technology. Taylor & Francis Inc, v. 25, n. 10, n. 1659, n. 1666, 2007.
Rights: fechado
Identifier DOI: 10.1080/07373930701590863
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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