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杏低溫薄層干燥試驗(yàn)與建模
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“十一五”國(guó)家科技支撐計(jì)劃資助項(xiàng)目（2006BAD11A13）


Thin Layer Drying Model of Apricot at Low Temperature
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    摘要:

    在較低溫度下采用旋轉(zhuǎn)組合設(shè)計(jì)對(duì)杏進(jìn)行了薄層干燥試驗(yàn),，考察了溫度,、風(fēng)速對(duì)杏干燥特性的影響。試驗(yàn)結(jié)果表明在一定范圍內(nèi)溫度是影響干燥速率的主要因素,，通過(guò)試驗(yàn)值回歸,，確定杏在較低溫度下的干燥模型為Wang—Singh方程，且模型系數(shù)與溫度,、風(fēng)速有關(guān),。試驗(yàn)值與模型預(yù)測(cè)值比較說(shuō)明，該模型能較好地描述干燥過(guò)程中杏的水分比與干燥時(shí)間的關(guān)系,。

    Abstract:

    Thin layer drying experiments of apricot in low temperature were carried out on rotation design. The drying characteristics and the drying model of apricot were studied based on temperature and velocity of drying medium. The experiments showed that temperature was the main influencing factor in the drying process. The mathematical model was set as Wang—Singh equation at low temperature and the coefficients of the model were related to temperature and velocity. The established mathematical model could be used to describe the change regulation of moisture ratio well during the drying process of apricot according to the comparison of experimental values and calculated values.

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王寧,劉文秀,李鳳城,杜志龍.杏低溫薄層干燥試驗(yàn)與建模[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2011,42(1):140-143,，153. Wang Ning, Liu Wenxiu, Li Fengcheng, Du Zhilong. Thin Layer Drying Model of Apricot at Low Temperature[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(1):140-143，153.

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