加载速度对稻米籽粒挤压力学特性影响的研究  

Research on Effects of Loading Rate on Compression Properties of Paddy Rice Grain

作　　者：张洪霞[1] 孙伟[1] 黄燕[1] 杨辉[1] 潘波 雷浦[3] 

机构地区：[1]黑龙江八一农垦大学工程学院,大庆163319 [2]莱阳市城建管理监察大队 [3]东北农业大学

出　　处：《黑龙江八一农垦大学学报》2007年第5期35-37,共3页journal of heilongjiang bayi agricultural university

基　　金：黑龙江省教育厅资助项目(11511255)

摘　　要：通过对稻米籽粒的挤压试验,获得稻米籽粒挤压特性的力学指标包括弹性模量、破坏力、破坏应力及破坏能等,并研究了加载速度对稻米籽粒挤压特性指标的影响。通过多项式回归分析建立了稻米籽粒挤压各力学指标随加载速度变化关系的数学模型,可用于预测和控制稻米加工过程中的机械损伤,为稻米加工装置的设计及安全管理提供力学参数。Compression properties indexes including elastic modulus, failure force, failure stress and failure energy were obtained by the compression test of rice grain, and the effect of loading rate on compression properties indexes of paddy rice grain was studied. Regression equation of loading rate on mechanical indexes of paddy rice grain was established by multivariate regression to forecast and control mechanical damage during processing, and the mechanical parameters was improved for design and secure management of process device.

关 键 词：稻米籽粒 挤压特性 加载速度 

分 类 号：TS201.1[轻工技术与工程—食品科学]