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Optimal Design and Analysis of Cavitating Law for Well-Cellar Cavitating Mechanism Based on MBD-DEM Bidirectional Coupling Model

Author

Listed:
  • Gaowei Xu

    (Department of Automotive Engineering, Shandong Jiaotong University, Jinan 250357, China)

  • Huimin Fang

    (School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China)

  • Yumin Song

    (Department of Automotive Engineering, Shandong Jiaotong University, Jinan 250357, China)

  • Wensheng Du

    (College of Mechanical and Electronic Engineering, Shandong Agricultural University, Taian 827101, China)

Abstract

A variable velocity parallel four-bar cavitating mechanism for well-cellar can form the well-cellar cavitation which suits for well-cellar transplanting under a continuous operation. In order to improve the cavitating quality, this paper analyzed the structural composition and working principle of the cavitating mechanism and established the bidirectional coupling model of multi-body dynamics and the discrete element between the cavitating mechanism and soil through Recurdyn and EDEM software. Based on the model, a three-factor, five-level quadratic orthogonal rotational combination design test was conducted with the parameters of the cavitating mechanism as the experimental factors and the parameters of the cavitation as the response index to obtain the optimal parameter combination, and a virtual simulation test was conducted for the optimal parameter combination in order to study the cavitating law of the cavitating mechanism and soil. The test results showed that the depth of the cavitation was 188.6 mm, the vertical angle of the cavitation was 90.4°, the maximum diameter of the cavitation was 76.1 mm, the minimum diameter of the cavitation was 68.5 mm, and the variance in the diameters for the cavitation was 5.42 mm 2 . The cavitating mechanism with optimal parameters based on the Recurdyn–EDEM bidirectional coupling mode could further improve the cavitating quality.

Suggested Citation

  • Gaowei Xu & Huimin Fang & Yumin Song & Wensheng Du, 2023. "Optimal Design and Analysis of Cavitating Law for Well-Cellar Cavitating Mechanism Based on MBD-DEM Bidirectional Coupling Model," Agriculture, MDPI, vol. 13(1), pages 1-15, January.
    • Handle: RePEc:gam:jagris:v:13:y:2023:i:1:p:142-:d:1026199
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    References listed on IDEAS

    as
    1. Spencer Stubbs & Jonathan Colton, 2022. "The Design of a Mechanized Onion Transplanter for Bangladesh with Functional Testing," Agriculture, MDPI, vol. 12(11), pages 1-16, October.
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