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ABSTRACT
Study of in-bin canola (rapeseed) drying with near-ambient air is realised to know characteristics of drying and seed deterioration. Simulation models are applied to estimate both drying and in-bin cooling times. Along the process: (a) bed-density increases; (b) porosity varies with a second-order relation of time; (c) bed height decreases, mainly during the first 27 drying hours; (d) was not visually observed damages on grain surface; (e) neither was observed appreciable changes on the quality parameters refraction index, performance of oil extraction, acidity index and germination power; (f) drying time can be predicted through the programmable simulator designed to drying in-bin of shelled corn and other grains (Bauer et al., 1980Citation[2]) with error lesser than 2.2%; (g) in-bin cooling time (17 h) was comparable with data of literature extrapolated from Christensen model (1982)Citation[4], which predicts 14 h for cooling-time.
ACKNOWLEDGMENTS
The authors thank Ings. Luis Pérez and Gustavo Vrdoljak from NIDERA S.A. Argentina for the supplying of samples.