Kiwifruit Harvesting Damage Analysis and Verification

Li, Zixu; He, Zhi; Hao, Wei; Li, Kai; Ding, Xinting; Cui, Yongjie

doi:10.3390/pr11020598

Cited by 3 publications

(1 citation statement)

References 19 publications

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“…Tak znaczne różnice w uzyskanych pomiarach wynikają zarówno z cech odmianowych, jak i rodzaju dojrzałości (zbiorcza ≠ konsumpcyjna) [Li i in. 2023, Xinyuan i in.…”

Section: Wyniki Badań I Dyskusjaunclassified

Wybrane zagadnienia z zakresu produkcji surowców, żywności i kosmetyków, t. 3

2023

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Recenzenci dr hab. inż. Izabela Dmytrów, prof. uczelni dr hab. Agnieszka Hanaka dr n. farm. Martyna Kasela dr inż. Kamila Kollbek dr Weronika Kozłowska dr hab. inż. Łukasz Łopusiewicz dr hab. Anna Nowak dr inż. Małgorzata Stryjecka dr hab. Alina Syp, prof. uczelni dr hab. Konrad Szychowski, prof. uczelni Redaktor prowadzący Magdalena Marcewicz Skład i łamanie Małgorzata Grzesiak Opracowanie redakcyjne Agnieszka Brach Julia Młodzińska Projekt okładki Jacek Pałyszka Ten utwór jest dostępny na licencji Creative Commons Uznanie autorstwa -Na tych samych warunkach 4.0 Międzynarodowe ISBN 978-83-7259-403-7 on-line

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“…Tak znaczne różnice w uzyskanych pomiarach wynikają zarówno z cech odmianowych, jak i rodzaju dojrzałości (zbiorcza ≠ konsumpcyjna) [Li i in. 2023, Xinyuan i in.…”

Section: Wyniki Badań I Dyskusjaunclassified

Wybrane zagadnienia z zakresu produkcji surowców, żywności i kosmetyków, t. 3

2023

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Macroscopic and microscopic investigations of determining elasto‐mechanical properties of limequat fruit

Vatani,

Abbaspour‐Fard,

Khodabakhshian

2024

Microscopy Res & Technique

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Given the paramount importance of agricultural products in global health and food security, and the increasing consumer demand, understanding the mechanical behavior of these materials under various conditions is necessary yet challenging. Due to their heterogeneous and non‐uniform nature, determining their mechanical behavior is complex. This study employs atomic force microscopy (AFM) to determine the modulus of elasticity of limequat fruit at the microscopic scale and compares it with macroscopic methods. The analyses revealed a statistically significant difference (at the 1% level) in the mechanical behavior determined at the macroscopic scale. The highest modulus of elasticity, 0.752 MPa, was observed using Hertz's theory under complete placement between two parallel planes. The lowest, 0.059 MPa, was noted when a spherical probe compressed a rectangular sample. The average modulus of elasticity of the limequat peel was 2.007 MPa. At the microscopic scale, the modulus of elasticity of the fruit tissue ranged from 0.370 to 0.365 MPa, and for the peel, it was 0.246 MPa.Research Highlights Working principles of this innovative technique were elaborated. The AFM technique used provide elasto‐mechanical properties determination of cell walls of single living cells extracted from biological materials on the nanoscale. By combining AFM topographical image and nano‐indentation of living fruit cells it will be possible to investigate cells' elasto‐mechanical properties. Atomic force microscopy holds great potential for monitoring fruit mechanical properties of biological materials.

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Multiscale Modeling and Simulation of Falling Collision Damage Sensitivity of Kiwifruit

Zhu,

Wang

et al. 2024

Foods

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Falling damage is the most common form of damage sustained by kiwifruit during the process of picking and post-processing, and it is difficult to conduct a quantitative analysis of this phenomenon through traditional experimental methods. In order to deeply understand the sensitivity of kiwifruit to falling collision damage, the finite element numerical simulation method was used to evaluate and predict the sensitivity of kiwifruit to falling collision damage during harvesting. First, we obtained the appearance characteristics of kiwifruit through reverse engineering technology and determined the geometric and mechanical property parameters of kiwifruit through physical mechanics experiments. Then, according to the characteristics of fruit tissue structure, a multiscale finite element model, including the skin, pulp, and core, was constructed to simulate the effects of different falling heights, collision angles, and contact surface materials on fruit damage, and the accuracy of the model was verified through falling experiments. Finally, based on the simulation results, the Box–Behnken design was employed within the response surface methodology to establish a sensitivity prediction model for the drop damage sensitivity of kiwifruit across different contact materials. The results showed that the maximum relative error between the speed change obtained using finite element simulation and the speed obtained by the high-speed camera was 5.19%. The model showed high rationality in energy distribution, with the maximum value of hourglass energy not exceeding 0.08% of the internal energy. On the contact surface material with a large elastic modulus, a higher falling height and larger collision angle will significantly increase the risk of fruit bruise. When the contact surface material was a steel plate, the falling height was 1 m, and the collision angle was 90°; the maximum bruise sensitivity of kiwifruit reached 6716.07 mm3 J−1. However, when the contact surface material was neoprene, the falling height was 0.25 m, and the collision angle was 0°, the damage sensitivity was the lowest, at 1570.59 mm3 J−1. The multiscale finite element model of kiwifruit falling collision constructed in this study can accurately predict the damage of kiwifruit during falling collision and provide an effective tool for the quantitative analysis of kiwifruit falling collision damage. At the same time, this study can also provide guidance for the design and optimization of the loss reduction method of the harvesting mechanism, which has important theoretical significance and practical value.

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Kiwifruit Harvesting Damage Analysis and Verification

Cited by 3 publications

References 19 publications

Wybrane zagadnienia z zakresu produkcji surowców, żywności i kosmetyków, t. 3

Wybrane zagadnienia z zakresu produkcji surowców, żywności i kosmetyków, t. 3

Macroscopic and microscopic investigations of determining elasto‐mechanical properties of limequat fruit

Multiscale Modeling and Simulation of Falling Collision Damage Sensitivity of Kiwifruit

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