Study on rough rice fissuring during intermittent drying

文献类型： 外文期刊

第一作者： Li, YB

作者： Li, YB;Cao, CW;Yu, QL;Zhong, QX

作者机构：

关键词： cracking;grain drying;stress and strain;tempering

期刊名称：DRYING TECHNOLOGY （ 影响因子：4.452； 五年影响因子：4.034 ）

ISSN： 0737-3937

年卷期： 1999 年 17 卷 9 期

页码：

收录情况： SCI

摘要： The fissuring of rough rice during intermittent drying was studied through experimental and numerical methods. The moisture distribution inside the rice kernel during drying and tempering was obtained by diffusion model. The moisture gradients were used to analyze the hydro stresses in the rice kernel during intermittent drying. Discontinuing the drying process with tempering can decrease the hydro stresses in the rice kernel. Decreased unit drying time or increased intermittent ratio caused decrease of the stresses in the rice kernel during intermittent drying. Less fissured rice was also observed by discontinuing the drying process in the experiments. Higher intermittent ratio or lower unit drying time caused lower percentage of fissured rice in the experiments.

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