RESEARCH PAPER
Experimental research on shear mechanical properties of tomato stem
1
Nanjing Institute of Agricultural Mechanization, Ministry of Agriculture and Rural Affairs, Nanjing 210014, China
2
College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumqi 830052, China
Final revision date: 2023-10-17
Acceptance date: 2023-11-08
Publication date: 2023-12-06
Corresponding author
Mingjiang Chen
Nanjing Institute of Agricultural Mechanization, Ministry of Agriculture and Rural Affairs, China
Nanjing Institute of Agricultural Mechanization, Ministry of Agriculture and Rural Affairs, China
Int. Agrophys. 2024, 38(1): 13-20
HIGHLIGHTS
- The results showed that the leaf water content and sampling location had significant effects on the shear mechanical properties of tomato stems. The largest peak force of cutting the tomato stem was observed in the middle of the sampling range.
- The maximum peak shearing force of 411 N.
KEYWORDS
TOPICS
ABSTRACT
In order to design a tomato stem crushing and bagging machine and also optimize its operational parameters, knowledge concerning the mechanical properties of harvest-ready tomato stems is required. The mechanical shear properties of the stems were studied by conducting a single-factor experiment, taking the blade angle, moisture content and sampling range as the experimental factors and the peak shear force as the evaluation indexes. The results showed that the blade angle had no significant effect on the mechanical shear properties of tomato stems, while the leaf water content and sampling location had significant effects on the mechanical shear properties of tomato stems. The largest peak force for cutting the tomato stem was observed in the middle of the sampling range, therefore a shear force greater than 411 N should be provided when designing the crushing device. At the same time, the machine should be used to harvest the tomato stalks as early as possible. The study will provide the necessary experimental data and theoretical basis for the development of an optimized tomato stem crushing and bagging machine.
FUNDING
This work was supported by the National key research and development program (Grant No. 2022YFD2002103) (2022-2026), Institute-level basic scientific research business expenses project of the Chinese Academy of Agricultural Sciences (Grant No. S202210) (2022-2023).
CONFLICT OF INTEREST
The authors declare that there is no conflict of interest regarding the publication of this paper.
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| eISSN: | 2300-8725 |
| ISSN: | 0236-8722 |
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