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一种马铃薯临界损伤跌落高度的测定方法
引用本文:洪 翔,万 陈,王 军. 一种马铃薯临界损伤跌落高度的测定方法[J]. 包装学报, 2012, 4(3): 30-33
作者姓名:洪 翔  万 陈  王 军
作者单位:1. 江南大学机械工程学院,江苏无锡,214122
2. 江南大学机械工程学院,江苏无锡214122 江南大学中国包装总公司食品包装技术与安全重点实验室,江苏无锡214122
基金项目:江苏省普通高校研究生科研创新计划基金资助项目(CXZZ110504)
摘    要:针对马铃薯这类不易观察跌落损伤的果蔬产品,提出了一种测定其临界损伤跌落高度的方法。首先对马铃薯进行准静态压缩,得到其产生损伤时的压缩变形量。同时,通过测量马铃薯在不同跌落高度下的跌落信号,分析得到反映不同跌落高度与跌落变形量之间关系的数学模型。对应压缩变形量在此数学模型中的值,即可得到马铃薯的临界损伤跌落高度,为38cm。

关 键 词:马铃薯  临界损伤跌落高度  准静态压缩  跌落信号
收稿时间:2012-05-31

A Method to Determine the Critical Damage Dropping Height of Potato
Hong Xiang,Wan Chen and Wang Jun. A Method to Determine the Critical Damage Dropping Height of Potato[J]. Packaging Journal, 2012, 4(3): 30-33
Authors:Hong Xiang  Wan Chen  Wang Jun
Affiliation:School of Mechanical Engineering, Jiangnan University;School of Mechanical Engineering, Jiangnan University;School of Mechanical Engineering, Jiangnan University
Abstract:Potato is a kind of vegetable whose damage cannot be easily observed.Regarding to this property,a method to determine the critical damage dropping height is proposed.At first,quasi-static compression is conducted to the potato,and then the compressive deformation is obtained.Meanwhile,with the experiment to obtain the potato’s dropping signal,the mathematical model reflecting relation between dropping height and dropping deformation can be obtained.The critical damage dropping height is gained from the model with previous compressive deformation,that is 38 cm.
Keywords:potato   critical damage dropping height   quasi-static compression   dropping signal
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