Apple mechanical damage mechanism and harvesting test platform design
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Abstract
Apple is easily damaged in the process of the mechanical harvesting, which reduces the fruit’s quality. It is of great significance to study the damage principle of apple in the transport process of picking platform. In this study, the apple compression test was carried out. The compression and drop process of the fruit was analyzed by the finite element analysis (FEA). The experimental platform of apple harvesting was designed, the conveying process of apple was analyzed. The results of compression finite element analysis showed that when the compression force is greater than 15.0 N, both radial compression and axial compression will be damaged. The results of drop finite element analysis showed that when the drop direction is axial, the maximum contact stress of the peel and kernel decreases with the increase of drop angle, the maximum contact stress of the pulp increases first and then decreases. When the drop direction is radial, the maximum contact stress between pulp and kernel decreases with the increase of drop angle, the maximum contact stress of the peel first decreases and then increases. The simulation results of the harvesting platform transportation showed that the damage rate of apples is less than 10 % when the sub-conveyor belt speed is 0.02 m–0.04 m/s. This study can provide theoretical guidance for the design of the harvesting test platform and the reduction of the damage of apples during transportation.
Funding source: The Shenyang City Science and Technology Project
Award Identifier / Grant number: 23-409-2-04
Funding source: The China National Natural Science Foundation Project
Award Identifier / Grant number: 51457312
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Research ethics: Not applicable.
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Author contribution: Individual contributions from authors to this manuscript were as follows. Author H.J.M. contributed to the conceptualization, methodology, software, funding acquisition, and supervision. Author M.Z. contributed to the writing - original draft, investigation, and data curation. Author L.X. contributed to the formal analysis, and methodology. Author C.S.Y. contributed to the visualization, and investigation. Author T.Z.Y. contributed to the resources, and supervision. Author J.J.U. contributed to the software, and validation. Author Y.Y.C. contributed to the visualization, and writing - review and editing. Author W.W. contributed to the conceptualization, funding acquisition, resources, supervision, and writing - review and editing.
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Competing interests: The authors state no conflict of interest.
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Research funding: This research was supported by the Shenyang City Science and Technology Project (23-409-2-04), and the China National Natural Science Foundation Project (No. 51457312).
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Data availability: Not applicable.
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Artikel in diesem Heft
- Frontmatter
- Critical Review
- Prospects of nanotechnology advances in food adulterant detection, spoilage detection, packaging and preservation applications
- Articles
- Soybean oil emulsion stabilized by phosphatidylcholine and whey protein isolate: impact on interfacial properties, physicochemical characteristics, and digestive properties
- Apple mechanical damage mechanism and harvesting test platform design
- The impact of barbecue pickling materials on flavor changes and storage quality of pork at different processing stages
- Chemical stability of β-carotene composite or bilayer emulsions coated with pea protein isolate and γ-polyglutamic acid compared to monolayer emulsion
- A methodological study of the hardness of cooked Chinese noodles based on the texture analyzer
