Mathematical Models’ Establishment of Hot-Air Drying for Spratelloides gracilis

摘要

An electric heat blast dryer was constructed to carry out thin layer drying studies of Spratelloides gracilis at the temperatures of 60, 70, and 80°C and the air velocity of 1.00 ± 0.07 m/s. Strong quadratic dependence between drying rate and drying time (R 2 0.967) was found. The effective water diffusivity and dry basis moisture content showed a good linear relationship (R 2 0.998). Furthermore, out of the nine models considered, the Wang and Singh model was found to be the most suitable for describing the drying behavior of Spratelloides gracilis with the highest value for coefficient of determination (R 2), the lowest value for chi-square (χ2), root-mean-square error (RMSE), and mean relative percent error (PE). The activation energy of the sample was 20.9796 kJ/mol.View full textDownload full textKeywords Spratelloides gracilis , mathematical model, thin-layer drying, effective diffusivity, activation energyRelated var addthis_config = { ui_cobrand: "Taylor & Francis Online", services_compact: "citeulike,netvibes,twitter,technorati,delicious,linkedin,facebook,stumbleupon,digg,google,more", pubid: "ra-4dff56cd6bb1830b" }; Add to shortlist Link Permalink http://dx.doi.org/10.1080/10498850.2011.604901