A model to predict damage to horticultural produce duringtransport

Jones, Carissa S.; Holt, J.E.; Schoorl, D.

doi:10.1016/s0021-8634(05)80019-8

Cited by 36 publications

(18 citation statements)

References 12 publications

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“…It can be concluded that the highest pressure values occur in the lowest part of the container. Usually, fruit places on the bottom layer in the transported box used to deform and have clearly visible damages in the form of dark-colored prints, which resulted from deformation in the flesh cells (Holt and Schrool 1977;Jones et al 1991;Pathare et al 2013;Rodriguez et al 1990;Schulte et al 1991;Wu and Pitts 1999). Bruises take color accurate to the force value (Cubero et al 2011;Menesatti et al 2009).…”

Section: Introductionmentioning

confidence: 99%

Influence of Contact Surface Type on the Mechanical Damages of Apples Under Impact Loads

Komarnicki

Stopa

Szyjewicz

et al. 2017

Food Bioprocess Technol

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This paper presents an analysis of mechanical damage carried out on 'Golden Delicious' apple variety, which was subjected to impact loads during free drop against various rigid plates. For this purpose, an analysis of the contact pressure based on determined contours and surface pressure distributions at the contact point between the fruit dropped from various heights against fixed hard plates was performed. The impact test was conducted by means of Tekscan® system supported by computer verifying analysis. To obtain impact loads as well as their courses, the surface pressures and the bruise volumes were determined. Furthermore, use of ultrathin pressure sensors allowed for determination of the characteristic shape of contact area and the impact of fruit onto rigid plate. The results showed that the impact of fruit against rigid surface (concrete, wood) generates high values of maximum surface pressure and the bruise volume, observed at dropping from 10 mm. A decrease in hardness of the test material (polyethylene foam) with decreasing maximum surface pressure approximately twice was noticed. The polyethylene foam is one of the best materials which protect fruit from mechanical damage, confirmed by the relation of bruise surface to contact surface, which did not exceed 35% during the impact at 150 mm. The results of proposed studies can contribute to developing of harvest, handling, and transport processes, aiming at reduction in losses among fruit growers and production costs, i.e., by improvement of transport method.

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Section: Introductionmentioning

confidence: 99%

Influence of Contact Surface Type on the Mechanical Damages of Apples Under Impact Loads

Komarnicki

Stopa

Szyjewicz

et al. 2017

Food Bioprocess Technol

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“…Jarimopas et al 11 showed that laterite road conditions produced the severest vibration, followed by concrete and asphalt roads. Truck transport vibration levels are complex, depending on factors including vehicle suspension, 16,18,22 24 The nature of shock during truck transport remains, however, to be clarifi ed. A recent report focused on preliminary experimental research programme fi ndings for determining the nature of shock and vibration during rail transport in Australia.…”

Section: Introductionmentioning

confidence: 99%

Analysis of shock and vibration in truck transport in Japan

et al. 2008

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To propose potential lab-simulated vibration tests for developing appropriate cushioning packaging, we recorded vibration acceleration during truck transport, including large sporadic shocks in regular smaller vibration so that acceleration did not cover a normal probability distribution and could not be considered as random vibration. We extracted all shock acceleration from vibration during local road and highway transport and studied the causes. We found that shocks were caused by road roughness, metal joints, difference in levels on the asphalt-surfaced road, pedestrian crossings, manholes, road curves, left and right turns, railroad crossings, etc. After removing shock events from all vibration acceleration during transport, we reconstructed remaining acceleration as continuous vibration. Vibration acceleration followed the normal probability distribution and could be considered random.

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“…In addition, the layered structure and the strength of the test material depend clearly on a place from which the sample was taken. Other authors confirmed that properties of the biological material changed over time and the mechanical parameters of the plant tissue strongly depended on the water content [53][54][55] .…”

Section: Resultsmentioning

confidence: 79%

Modeling of carrot root radial press process for different shapes of loading elements using the finite element method

Stopa

Komarnicki

Szyjewicz

et al. 2017

International Journal of Food Properties

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Biological material is exposed to different type loads during the harvesting, sorting, and transport. The contact with the hard element of the box or the harvester causes damage to the internal structure. Long-term static loads and hitting by another carrot root are the most common type of mechanical damage occurring in the post-harvest process. Because of the characteristic shape of agricultural products, compression force focused on a small area. The main purpose of this study was to determine the discrete model of carrot root as well as to verify it based on the displacement distribution.For determining an experimental model, the collected data were statistically processed. To verify the obtained model, the COSMOS/M software was applied. As a result of this study, a calculation model was presented, which allowed the assessment of surface pressures on the carrot root area, which occurred during the contact with different shaped elements in selected phases of technology process. ARTICLE HISTORY

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A model to predict damage to horticultural produce duringtransport

Cited by 36 publications

References 12 publications

Influence of Contact Surface Type on the Mechanical Damages of Apples Under Impact Loads

Influence of Contact Surface Type on the Mechanical Damages of Apples Under Impact Loads

Analysis of shock and vibration in truck transport in Japan

Modeling of carrot root radial press process for different shapes of loading elements using the finite element method

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