In this paper the shrinkage of Dates (Phoenix dacrilyfera L.) during drying was observed. Samples were dried in a convective tray dryer under three different conditions (6O0C-ll.l%RH, 7O0C-7.2%RH and 80•‹C-4.7%RH) and three different air velocities (OSds, l.Omls and 1.5mis). Sample shrinkage was directly (using a caliper) and indirectly measured (snapshot area nleasured). The indirect manner shows a higher precision. The geometry applied in the shrinkage solution proved that the ellipsoidal geometry of the dates_ may he 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.
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