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Advisor(s)
Abstract(s)
In the present work a diffusion based model was adopted to represent the drying behaviour of pears in a continuous
convective drier, taking into consideration the variation of the properties of the pears along drying.
The program developed simulated a significant number of situations resultant from the variation of some of the oper-
ating conditions. The temperatures tested were 30, 40 and 50 C, the air velocities were 0.5, 1.0 and 1.5 m/s, and the relative
humidity of the drying air was 40%, 50% and 60%.
From the situations analyzed, and considering the specifications required for the final product, it was concluded that the
drying should be carried out at 40 C, with a drying air velocity of 1.5 m/s and containing 60% RH.
2007 Elsevier Inc. All rights reserved.
Description
Keywords
diffusivity drying shrinkage Fick's law modelling simulation
Pedagogical Context
Citation
Guiné RPF, Rodrigues AE, Figueiredo MM. (2007) Modelling and simulation of pear drying. Applied Mathematics and Computation, 192(1), 69-77.