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Research on Characteristics of Airway Pressure Loss in Seeding-Wheel-Type Pneumatic Seeder

Author

Listed:
  • Xirui Zhang

    (School of Mechanical and Electrical Engineering, Hainan University, Haikou 570228, China
    Sanya Nanfan Research Instituteof Hainan University, Sanya 572025, China)

  • Zhentuo Wen

    (School of Mechanical and Electrical Engineering, Hainan University, Haikou 570228, China)

  • Qingjie Wang

    (College of Engineering, China Agricultural University, Beijing 100083, China)

  • Hongwen Li

    (College of Engineering, China Agricultural University, Beijing 100083, China)

  • Zhifu Zhang

    (School of Mechanical and Electrical Engineering, Hainan University, Haikou 570228, China)

  • Junxiao Liu

    (School of Mechanical and Electrical Engineering, Hainan University, Haikou 570228, China
    Sanya Nanfan Research Instituteof Hainan University, Sanya 572025, China)

Abstract

In order to optimize the parameters of the mechanism, reduce the pressure loss and improve the efficiency of pneumatic utilization, the principles and types of pneumatic loss in different areas were defined, and the key parameters, including the diameter of the horizontal air pipe, the angle of the air pipe, and the diameter of the negative pressure aperture, which affect the pressure loss, were analyzed. In addition, an orthogonal simulation experiment was carried out using Fluent software, and determined the best parameter combination, which is as follows: the diameter of the horizontal air pipe must be 15 mm, the angle of the air pipe must be 105°, and the diameter of the negative pressure aperture must be 34 mm. It can be concluded from the simulation results that the average airflow velocity of the seed-sucking hole is 102.59 m ⋅ s − 1 , the minimum airflow velocity of the seed-sucking hole is 101.58 m ⋅ s − 1 , and the airflow velocity standard deviation of the seed-sucking hole is 0.54 m ⋅ s − 1 . The trend of the test results was consistent with the simulation results, which verified the reliability of the numerical analysis. These results will provide theoretical guidance for research on the obstruction effect of complex airways on airflow.

Suggested Citation

  • Xirui Zhang & Zhentuo Wen & Qingjie Wang & Hongwen Li & Zhifu Zhang & Junxiao Liu, 2022. "Research on Characteristics of Airway Pressure Loss in Seeding-Wheel-Type Pneumatic Seeder," Agriculture, MDPI, vol. 12(12), pages 1-17, November.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:12:p:2021-:d:985246
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    Cited by:

    1. Vadim Bolshev & Vladimir Panchenko & Alexey Sibirev, 2023. "Engineering Innovations in Agriculture," Agriculture, MDPI, vol. 13(7), pages 1-4, June.

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