RT - Journal Article T1 - Evaluation of Thin-Layer Drying Models for Simulation of Drying Kinetics of Quercus (Quercus persica and Quercus libani) JF - mdrsjrns YR - 2011 JO - mdrsjrns VO - 13 IS - 2 UR - http://jast.modares.ac.ir/article-23-279-en.html SP - 155 EP - 163 K1 - Drying kinetics K1 - Drying temperature K1 - Page model K1 - Quercus K1 - Thin-Layer drying model AB - Drying characteristics of Quercus were determined experimentally as a function of temperature, air velocity, and variety (Quercus Persica and Quercus Libani). In order to estimate and select a suitable drying curve, five different thin layer drying models were fitted to the experimental data. Experiments were performed at the air temperatures of 50, 60 and 70°C. At each temperature level, two air velocities were adjusted: 0.5 and 1m/s. The effect of air temperature was found to be significant in comparison to air velocity for drying of fresh Quercus fruits. Increasing air velocity at constant air temperature resulted in the decrease of drying time. Among all the selected drying models, the Page model was found as the best mathematical model for describing the drying kinetics of Quercus fruits. Based on the results, drying temperature of 70 oC and air velocity of 1 m/s are the optimum values for drying Quercus fruit. Drying time and Page model constants were found to be dependent significantly on the variables studied. LA eng UL http://jast.modares.ac.ir/article-23-279-en.html M3 ER -