Study on the Impact Damage Characteristics of Transplanting Seedlings Based on Pressure Distribution Measurement System
Collision is one of the main causes of mechanical damage to the seedling during transplanting. To reveal the impact damage characteristics of plug seedlings, the kinetics equations of seedling collision were established based on Hertz’s contact theory, and the kinematic characteristics, elastoplasti...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-11-01
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| Series: | Horticulturae |
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| Online Access: | https://www.mdpi.com/2311-7524/8/11/1080 |
| _version_ | 1797465256489910272 |
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| author | Hongbin Bai Xuying Li Fandi Zeng Ji Cui Yongzhi Zhang |
| author_facet | Hongbin Bai Xuying Li Fandi Zeng Ji Cui Yongzhi Zhang |
| author_sort | Hongbin Bai |
| collection | DOAJ |
| description | Collision is one of the main causes of mechanical damage to the seedling during transplanting. To reveal the impact damage characteristics of plug seedlings, the kinetics equations of seedling collision were established based on Hertz’s contact theory, and the kinematic characteristics, elastoplastic deformation, and collision damage during seedling collision were analyzed using high-speed photography. Using the Tekscan pressure distribution measurement system, the significant levels of various factors that affect impact peak force (IPF) and damage of seedling pot (DSP) were studied, the change rule of contact pressure distribution of seedlings under significant factors was measured, and a regression model between IPF and DSP was established. The results showed that collision material, drop height and seedling pot size had significant effects on IPF and DSP. The contact pressure area of different collision materials from large to small was soil block, steel, and ABS plastic. The contact pressure area of seedlings of different pot sizes was big, medium, and small in descending order. At a dropping height of 50~350 mm, a contact pressure > 10 kPa accounted for the major contact pressure area, which is the main reason for collision damage of the seedling pot. Linear regression models between IPF and DSP under different factors were established, and the determination coefficients (R<sup>2</sup>) were 0.98 and 0.94, respectively. The results provided a theoretical basis for understanding the collision damage mechanism of the plug seedling and how to reduce damage during transplanting. |
| first_indexed | 2024-03-09T18:18:57Z |
| format | Article |
| id | doaj.art-be6fff858fcb4e4088e4917588f245c7 |
| institution | Directory Open Access Journal |
| issn | 2311-7524 |
| language | English |
| last_indexed | 2024-03-09T18:18:57Z |
| publishDate | 2022-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Horticulturae |
| spelling | doaj.art-be6fff858fcb4e4088e4917588f245c72023-11-24T08:29:22ZengMDPI AGHorticulturae2311-75242022-11-01811108010.3390/horticulturae8111080Study on the Impact Damage Characteristics of Transplanting Seedlings Based on Pressure Distribution Measurement SystemHongbin Bai0Xuying Li1Fandi Zeng2Ji Cui3Yongzhi Zhang4College of Mechanical and Electrical Engineering, Inner Mongolia Agricultural University, Hohhot 010018, ChinaCollege of Mechanical and Electrical Engineering, Inner Mongolia Agricultural University, Hohhot 010018, ChinaCollege of Mechanical and Electrical Engineering, Inner Mongolia Agricultural University, Hohhot 010018, ChinaCollege of Mechanical and Electrical Engineering, Inner Mongolia Agricultural University, Hohhot 010018, ChinaCollege of Mechanical and Electrical Engineering, Inner Mongolia Agricultural University, Hohhot 010018, ChinaCollision is one of the main causes of mechanical damage to the seedling during transplanting. To reveal the impact damage characteristics of plug seedlings, the kinetics equations of seedling collision were established based on Hertz’s contact theory, and the kinematic characteristics, elastoplastic deformation, and collision damage during seedling collision were analyzed using high-speed photography. Using the Tekscan pressure distribution measurement system, the significant levels of various factors that affect impact peak force (IPF) and damage of seedling pot (DSP) were studied, the change rule of contact pressure distribution of seedlings under significant factors was measured, and a regression model between IPF and DSP was established. The results showed that collision material, drop height and seedling pot size had significant effects on IPF and DSP. The contact pressure area of different collision materials from large to small was soil block, steel, and ABS plastic. The contact pressure area of seedlings of different pot sizes was big, medium, and small in descending order. At a dropping height of 50~350 mm, a contact pressure > 10 kPa accounted for the major contact pressure area, which is the main reason for collision damage of the seedling pot. Linear regression models between IPF and DSP under different factors were established, and the determination coefficients (R<sup>2</sup>) were 0.98 and 0.94, respectively. The results provided a theoretical basis for understanding the collision damage mechanism of the plug seedling and how to reduce damage during transplanting.https://www.mdpi.com/2311-7524/8/11/1080transplantingseedlingimpactdamagecontact pressureforce |
| spellingShingle | Hongbin Bai Xuying Li Fandi Zeng Ji Cui Yongzhi Zhang Study on the Impact Damage Characteristics of Transplanting Seedlings Based on Pressure Distribution Measurement System Horticulturae transplanting seedling impact damage contact pressure force |
| title | Study on the Impact Damage Characteristics of Transplanting Seedlings Based on Pressure Distribution Measurement System |
| title_full | Study on the Impact Damage Characteristics of Transplanting Seedlings Based on Pressure Distribution Measurement System |
| title_fullStr | Study on the Impact Damage Characteristics of Transplanting Seedlings Based on Pressure Distribution Measurement System |
| title_full_unstemmed | Study on the Impact Damage Characteristics of Transplanting Seedlings Based on Pressure Distribution Measurement System |
| title_short | Study on the Impact Damage Characteristics of Transplanting Seedlings Based on Pressure Distribution Measurement System |
| title_sort | study on the impact damage characteristics of transplanting seedlings based on pressure distribution measurement system |
| topic | transplanting seedling impact damage contact pressure force |
| url | https://www.mdpi.com/2311-7524/8/11/1080 |
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