2007
DOI: 10.1016/j.amc.2007.02.121
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Modelling and simulation of pear drying

Abstract: 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 operating 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… Show more

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Cited by 22 publications
(17 citation statements)
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“…In the case of a real food system, not all liquid is removed and the calculations are terminated when an irreducible value of moisture content inside the food is reached (e.g. see [7]). …”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…In the case of a real food system, not all liquid is removed and the calculations are terminated when an irreducible value of moisture content inside the food is reached (e.g. see [7]). …”
Section: Resultsmentioning
confidence: 99%
“…Chemkhi et al [3], developed a drying model that includes elastic deformation that accompanies changes in moisture content during shrinkage. Guine et al [7] and Balaban and Pigoot [8] developed a model that included the shrinkage effect through the density of dry solid S ρ which varies as a result of drying. Other authors [5,[9][10][11] have also included a model of shrinkage in the formulation of heat and mass transfer model, in order to improve the drying process physical representation.…”
Section: Introductionmentioning
confidence: 99%
“…O estudo da modelagem de kiwi utilizando o modelo de Fick foi realizado por Simal et al (2005). Esse modelo foi muito aplicado na secagem convectiva de castanha (Moreira et al, 2011;Moreira et al, 2008), pera (Guiné et al, 2007) e uva (Gabas et al, 1999) sua aplicação permite obter os valores de coeficiente de difusão efetivo. Os valores dos coeficientes de difusão (D eff ), que foram obtidos pela aplicação do modelo de Fick (Equação 2), estão apresentados na Tabela .…”
Section: Resultsunclassified
“…The drying of pears has been studied for some researchers (Guiné, ; Guiné, Rodrigues, & Figueiredo, ; Mrad, Boudhrioua, Kechaou, Courtois, & Bonazzi, ; Silva, Figueiredo, Costa, & Guiné, ; Silva et al, ). Guiné () studied the drying kinetics of some varieties of pears.…”
Section: Introductionmentioning
confidence: 99%
“…Guiné () studied the drying kinetics of some varieties of pears. In other work, Guiné et al () studied a diffusion based model to represent the drying behavior of pears in a continuous convective drier. Silva et al () studied the drying of pears considering shrinkage and variable diffusion coefficient.…”
Section: Introductionmentioning
confidence: 99%