| 大豆内摩擦角的测定与实验研究 |
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| 引用本文： | 程绪铎,陆琳琳,石翠霞,周拓.大豆内摩擦角的测定与实验研究[J].粮食储藏,2010,39(5):12-15. |
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| 作者姓名： | 程绪铎 陆琳琳 石翠霞 周拓 |
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| 作者单位： | 南京财经大学食品科学与工程学院,江苏南京210003 |
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| 基金项目： | "十一五"国家科技支撑计划项目 |
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| 摘 要： | 利用剪切仪,测定了在不同的剪切速度、不同的法向压应力、不同的水分条件下大豆的内摩擦角。结果表明:随着剪切速率的增大(1.33～4.33 mm/min)大豆内摩擦角减小,随着法向压应力的增大(0.25×105～1.00×105Pa)大豆内摩擦角减小,随着水分含量的增大(12.11%～18.02%)大豆内摩擦角先增大后减小。
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| 关 键 词： | 大豆 内摩擦角 剪切速度 法向压应力 水分 |
MEASUREMENT AND EXPERIMENT ON INTERNAL FRICTION ANGLE OF SOYBEAN |
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| Cheng Xuduo,Lu Linlin,Shi Cuixia,Zhou Tuo.MEASUREMENT AND EXPERIMENT ON INTERNAL FRICTION ANGLE OF SOYBEAN[J].Grain Storage,2010,39(5):12-15. |
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| Authors: | Cheng Xuduo Lu Linlin Shi Cuixia Zhou Tuo |
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| Institution: | Cheng Xuduo Lu Linlin Shi Cuixia Zhou Tuo(College of Food Science and Engineering,Nanjing University of Finance and Economics,Nanjing 210003) |
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| Abstract: | In different shear velocity,different normal stress and different moisture content,the internal friction angles of soybean were measured by direct shear apparatus.The results showed that the internal friction angle of soybean decreased as shear velocity increased（1.33～4.33 mm/min）and normal stress increased（0.25×105～1.00×105Pa）,the internal friction angle of soybean increased at first and then decreased as moisture content increased（12.11%～18.02%）. |
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| Keywords: | soybean internal friction angle shear velocity normal stress moisture content |
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