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Position: Home > Articles > STUDY ON FLOW MOVEMENT OF GRAIN AND OIL IN DIFFERENT CONDITIONS Grain Storage 2012,41 (5) 10-15

不同条件下粮食油料散落性的探讨

作  者：
万忠民;吴凡;李红;朱平;许庆田;张荣广
单  位：
南京财经大学粮食储运国家工程实验室;南京铁心桥国家粮食储备库
关键词：
谷物;自流角;静止角;散落性
摘  要：
利用传统的木板法和固定漏斗法测定不同水分、杂质大豆、稻谷和油菜籽在不同材料上的自流角、静止角。结果表明:不同含水量的稻谷,随着含水量的增加,其自流角在增大;不同杂质含量的稻谷,随着含杂量的增加,其自流角在增大;不同材质的板材,随着摩擦力的增加,其自流角也在增大。不同含水量的稻谷,随着含水量的增加,其静止角在增大;不同杂质含量的稻谷,随着含杂量的增加,其静止角也在增大。相同水分的大豆、稻谷、油菜籽,稻谷的摩擦力最大,自流角和静止角也最大;大豆、稻谷、油菜籽相比,大豆粒大、饱满、表面光滑,油菜籽次之,因此,在外界条件相同情况下,大豆的散落性最好,油菜籽次之,稻谷最差。
译  名：
STUDY ON FLOW MOVEMENT OF GRAIN AND OIL IN DIFFERENT CONDITIONS
作  者：
Wan Zhongmin1 Wu Fan1 Li Hong1 Zu Ping1 Xu Jintian2 Zhang Rongguang2(1 College of Food Science and Engineering,,Nanjing University of Finance and Economics 210046)(2 The Tiexinqiao State Grain Reserve of Nanjing 210046)
关键词：
Grain,angle of solf-flowing,angle of repose,flow movement
摘  要：
This sudject tested the angle of solf-flowing and angle of repose of soybean,rice,rapeseed with different water,impurity at different material.It is proved that angle of solf-flowing of the grain with different moisture increases with moisture increasing;As to grain with different impurities content,its angle of solf-flowing increases with increaseing of impurities;In plates with different materials,angle of solf-flowing also increases with increasing of friction.As to different moisture content of grain,its angle of repose increases with increasing in water content;As to different with grain impurities content,its angle of repose also increases with increasing of impurities.As to soybeans,rice,rapeseed with the friction the same moisture content,angle of solf-flowing and static angle of the rice is largest.Compared to soybeans,rice,rapeseed,Soybean is largest,insize full,smooth surface,rapeseed followed.So the flow movement of soybean is best,followed by rapeseed and rice is worst under the same conditions.

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