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首页> 外文期刊>Simulation modelling practice and theory: International journal of the Federation of European Simulation Societies >Simulation of natural air drying of maize in cribs
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Simulation of natural air drying of maize in cribs

机译：婴儿床中玉米自然风干的模拟

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Bulk maize cobs were stored in cribs in Barisal, Bangladesh in 1998 with an initial moisture content of 38% (db) and in 1999 with an initial moisture content of 40% (db) and dried to 16.10% and 18.32% respectively by natural air. The observed air temperature and grain temperature was found to be almost same. A mathematical model was developed to simulate the drying of maize in crib and the model consists of three sets of partial differential equations––mass balance equation, drying rate equation and energy balance equation. The equations were solved by numerical techniques with respect to time and positions, the width of crib being considered as a series of thin layers. The model was validated with the experimental data. Good agreement was found between the simulated temperature and moisture content both in 1998 and 1999.
机译：散装玉米棒子于1998年以38％（db）的初始水分存储在孟加拉国Barisal的婴儿床中，并于1999年以40％（db）的初始水分存储在婴儿床中，并通过自然空气干燥至分别为16.10％和18.32％ 。发现观察到的空气温度和谷物温度几乎相同。建立了一个数学模型来模拟玉米在婴儿床中的干燥，该模型由三组偏微分方程组成-质量平衡方程，干燥速率方程和能量平衡方程。通过数值技术针对时间和位置求解方程，将婴儿床的宽度视为一系列薄层。该模型已通过实验数据验证。在1998年和1999年的模拟温度和水分含量之间发现了很好的一致性。

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