Vibration and Impact Performance Tests on Cherry Tomato Transport PackagesReport as inadecuate

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The reasons for damage to packaged cherry tomatoes in storage and transportation were investigated. By choosing a typical cherry tomato package, four tests were performed. These tests included: stacking strength test, sinusoidal vibration transmissibility of multi-packages stacking test, vertical impact tests and drop tests. The tests were carried out according to national test standards. It is determined by the stacking strength test that the maximum number of allowable stacking layers is 9. The natural frequencies of layered packages were determined by using a 9 stacking layer vibration transmissibility experiment with a variable frequency. The natural frequencies were 36.61 HZ, 10.76 HZ and 6.44 HZ for the bottom, middle and top layers, respectively. Curves of acceleration and vibration transmissibility of every layered package versus time were obtained. The relationships of its natural frequency and peak value of vibration transmissibility versus stack height were studied. On the basis of the above findings, the fragility of cherry tomatoes for each package is 89.58 by carrying out the vertical impact test. Also, the allowable maximal dropping height is 580mm according to the drop test. Finally, the protection capability of the packages on cherry tomatoes was evaluated.


Cherry tomato, transport package, corrugated box, resonance frequency, stacking, vibration transmissibility, fragility, drop

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Author: Lianwen Zhang, Meihua Liu, Xianwen Meng, Yiwei Fan, Xiaoyan Zhang



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