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Thin layer modelling of Gelidium sesquipedale solar drying process

机译:倍半萜太阳能干燥工艺的薄层建模

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摘要

The effect of air temperature and air flow rate on the drying kinetics of Gelidium sesquipedale was investigated in convective solar drying. Drying was conducted at 40, 50 and 60 ℃ The relative humidity was varied from 50% to 57%, and the drying air flow rate was varied from 0.0277 to 0.0833 m~3/s. The expression for the drying rate equation is determined empirically from the characteristic drying curve. Thirteen mathematical models of thin layer drying are selected in order to estimate the suitable model for describing the drying curves. The two term model gives the best prediction of the drying curves and satisfactorily describes the drying characteristics of G. sesquipedale with a correlation coefficient R of 0.9999 and chi-square (χ~2) of 3.381 × 10~(-6).
机译:研究了对流太阳能干燥中空气温度和空气流量对倍半萜干燥动力学的影响。在40、50和60℃下进行干燥。相对湿度在50%至57%之间变化,干燥空气流量在0.0277至0.0833 m〜3 / s之间变化。干燥速率方程的表达式由特征干燥曲线凭经验确定。选择了十三层薄层干燥的数学模型,以便估算用于描述干燥曲线的合适模型。二项模型给出了干燥曲线的最佳预测,并令人满意地描述了倍半乳糖的干燥特性,相关系数R为0.9999,卡方(χ〜2)为3.381×10〜(-6)。

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