Airflow basin structure numerical optimization analysis and suction nozzle characteristics experimental study of vacuum-vibration tray precision seeder
The stable and uniformly distributed airflow field can effectively improve the seed suction effect and seed-carrying stability of the pneumatic seeder. With this end in view, this paper was optimized the airflow basin structure of vacuum-vibration tray precision seeder based on the computational flu...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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PAGEPress Publications
2022-07-01
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| Series: | Journal of Agricultural Engineering |
| Subjects: | |
| Online Access: | https://www.agroengineering.org/index.php/jae/article/view/1294 |
| _version_ | 1828760281721864192 |
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| author | Jin Chen Caiqi Liao Fanzhao Geng Xueming Tang |
| author_facet | Jin Chen Caiqi Liao Fanzhao Geng Xueming Tang |
| author_sort | Jin Chen |
| collection | DOAJ |
| description | The stable and uniformly distributed airflow field can effectively improve the seed suction effect and seed-carrying stability of the pneumatic seeder. With this end in view, this paper was optimized the airflow basin structure of vacuum-vibration tray precision seeder based on the computational fluid dynamics (CFD) simulation technology. The results show that the airflow field is relatively stable and well-distributed when the chamber height is 50 mm and the outlet tube diameter is 65 mm. In addition, the thickness of the base plate with suction holes should be less than 5 mm, and the needle suction nozzle guide should be greater than 15 mm according to the numerical analysis results. On the basis of the above study, the seeding characteristics of the needle type suction nozzle and the plate type suction nozzle were further explored to determine the type of nozzle more suitable for rectangular sucker. Through various experimental designs, the significant influencing factors of the two suction nozzles and their appropriate working ranges as well as the optimal combination of working parameters were determined in turn. The needle suction nozzle requires lower suction height and less grains dispersion according to the experimental results, while the plate suction nozzle is just the opposite, it allows a certain suction height to be maintained with the seeds, and requires high dispersion of grain. In general, the plate suction nozzle can obtain better seeding performance, is a more favorable nozzle for the vacuum-vibration tray precision seeder.
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| first_indexed | 2024-12-11T01:11:25Z |
| format | Article |
| id | doaj.art-0d470848cfcf45219e7828fb4b10fdce |
| institution | Directory Open Access Journal |
| issn | 1974-7071 2239-6268 |
| language | English |
| last_indexed | 2024-12-11T01:11:25Z |
| publishDate | 2022-07-01 |
| publisher | PAGEPress Publications |
| record_format | Article |
| series | Journal of Agricultural Engineering |
| spelling | doaj.art-0d470848cfcf45219e7828fb4b10fdce2022-12-22T01:26:01ZengPAGEPress PublicationsJournal of Agricultural Engineering1974-70712239-62682022-07-0110.4081/jae.2022.1294Airflow basin structure numerical optimization analysis and suction nozzle characteristics experimental study of vacuum-vibration tray precision seederJin Chen0Caiqi Liao1Fanzhao Geng2Xueming Tang3College of Mechanical Engineering, Jiangsu University, Zhenjiang, JiangsuCollege of Mechanical Engineering, Jiangsu University, Zhenjiang, JiangsuCollege of Mechanical Engineering, Jiangsu University, Zhenjiang, JiangsuCollege of Mechanical Engineering, Jiangsu University, Zhenjiang, JiangsuThe stable and uniformly distributed airflow field can effectively improve the seed suction effect and seed-carrying stability of the pneumatic seeder. With this end in view, this paper was optimized the airflow basin structure of vacuum-vibration tray precision seeder based on the computational fluid dynamics (CFD) simulation technology. The results show that the airflow field is relatively stable and well-distributed when the chamber height is 50 mm and the outlet tube diameter is 65 mm. In addition, the thickness of the base plate with suction holes should be less than 5 mm, and the needle suction nozzle guide should be greater than 15 mm according to the numerical analysis results. On the basis of the above study, the seeding characteristics of the needle type suction nozzle and the plate type suction nozzle were further explored to determine the type of nozzle more suitable for rectangular sucker. Through various experimental designs, the significant influencing factors of the two suction nozzles and their appropriate working ranges as well as the optimal combination of working parameters were determined in turn. The needle suction nozzle requires lower suction height and less grains dispersion according to the experimental results, while the plate suction nozzle is just the opposite, it allows a certain suction height to be maintained with the seeds, and requires high dispersion of grain. In general, the plate suction nozzle can obtain better seeding performance, is a more favorable nozzle for the vacuum-vibration tray precision seeder. https://www.agroengineering.org/index.php/jae/article/view/1294CFD simulationexperimental designseeding characteristicsstructural optimizationvacuum-vibration tray precision seeder. |
| spellingShingle | Jin Chen Caiqi Liao Fanzhao Geng Xueming Tang Airflow basin structure numerical optimization analysis and suction nozzle characteristics experimental study of vacuum-vibration tray precision seeder Journal of Agricultural Engineering CFD simulation experimental design seeding characteristics structural optimization vacuum-vibration tray precision seeder. |
| title | Airflow basin structure numerical optimization analysis and suction nozzle characteristics experimental study of vacuum-vibration tray precision seeder |
| title_full | Airflow basin structure numerical optimization analysis and suction nozzle characteristics experimental study of vacuum-vibration tray precision seeder |
| title_fullStr | Airflow basin structure numerical optimization analysis and suction nozzle characteristics experimental study of vacuum-vibration tray precision seeder |
| title_full_unstemmed | Airflow basin structure numerical optimization analysis and suction nozzle characteristics experimental study of vacuum-vibration tray precision seeder |
| title_short | Airflow basin structure numerical optimization analysis and suction nozzle characteristics experimental study of vacuum-vibration tray precision seeder |
| title_sort | airflow basin structure numerical optimization analysis and suction nozzle characteristics experimental study of vacuum vibration tray precision seeder |
| topic | CFD simulation experimental design seeding characteristics structural optimization vacuum-vibration tray precision seeder. |
| url | https://www.agroengineering.org/index.php/jae/article/view/1294 |
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