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《Transactions of the Chinese Society of Agricultural Engineering》 2010-05
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Damage characteristics and regularity of peanut kernels under mechanical shelling

Na Xuejiao1,Liu Mingguo 2,Zhang Wen 1,Li Fei 1,Du Xin 1,Gao Lianxing 1(1.College of Engineering,Shenyang Agricultural University,Shenyang 110866,China;2.Liaoning Province Farm Machinery Quality Supervise Administration Station,Shenyang 110034,China)  
In order to study kernel damage mechanism and regularity during peanut shelling process and improve design of peanut sheller,main peanut varieties planted in Liaoning province were taken as example,peanut kernel'shape characteristics,damage characteristic and regularity was studied by micro-electronic tension and compression testing machine and stereo microscope,some relevant mechanical test were carried out under different varieties of peanut kernels,different load-speeds and different compression positions.The results showed that the crushing force to peanut kernel were remarkable when peanut kernels are different varieties and they are compressed under different positions;at the loading rate of 10 mm/min,the average crushing force on right side and lateral side of Silihong were 106.2 N and 96.6 N,correspondingly,Huayu23 were 79.8 N and 58.3 N;Breaking deformation and maximum breaking load-forces were both reduced when load-speed were increased.
【Fund】: 国家自然科学基金项目(50775151);; 辽宁省教育厅科技项目(2009S095);; 沈阳市科技攻关项目(1071214-1-00)
【CateGory Index】: S226.4
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