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Type: Artigo de periódico
Title: Shrinkage of dates (Phoenix dactilyfera L.) during drying
Author: Prado, MET
Alonso, LFT
Park, KJ
Abstract: In this paper the shrinkage of Dates (Phoenix dactilyfera L.) during drying was observed. Samples were dried in a convective tray dryer under three different conditions (60 degrees C-11.1%RH, 70 degrees C-7.2%RH and 80 degrees C-4.7%RH) and three different air velocities (0.5m/s, 1.0m/s and 1.5m/s). Sample shrinkage was directly (using a caliper) and indirectly measured (snapshot area measured). The indirect manner shows a higher precision. The geometry applied in the shrinkage solution proved that the ellipsoidal geometry of the dates, may be successfully approached to a cylinder. Three mathematical models developed by Suzuki et al. (1976) were applied to correlate the dates surface to its moisture content. The core model presented the best fit to the experimental data.
Subject: dates
drying, shrinkage
Country: EUA
Editor: Marcel Dekker Inc
Rights: fechado
Identifier DOI: 10.1080/07373930008917705
Date Issue: 2000
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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