Functional Shock Responses of the Pear According to the Combination of the Packaging Cushioning Materials
2010
Kim, G.S., Chungnam National University, Daejeon, Republic of Korea | Park, J.M., Pusan National University, Miryang, Republic of Korea | Kim, M.S., Chungnam National University, Daejeon, Republic of Korea
Physical damages on fruits may be caused by shock and vibration inputs that transmitted from the transporting vehicle through the packaging and cushioning materials to the fruit. In this study, both half sine shock test and trapezoidal shock test were performed by MIL-STD-810F specification in order to investigate and represent the shock response properties such as peak acceleration and shock amplification factors of the pear according to packaging and cushioning materials for optimal packaging design during transportation. Shock excitation data that had been measured on the vehicle operating on the real road were used. Shock response properties measured by half sine shock test were smaller than those measured by trapezoidal shock test. Results represent that corrugation shapes and thickness can significantly affect the cushioning performance than the paper configurations of cushioning pad and showed that fruits may be damaged seriously while transported on the unpaved road without the properly cushioned packaging practices.
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