Issue №: 2 (129)
The journal solves the problems of creation and improvement of machinery and technologies for agriculture: 131 - Applied Mechanics, 132 - Materials Science, 133 - Industrial Engineering, 141 - Power Engineering, Electrical Engineering and Electromechanics, 208 - Agricultural Engineering.
INVESTIGATION OF SEED MOVEMENT IN THE DISTRIBUTOR OF A PRECISION SEEDER FOR SMALL-SEEDED CROPS
Dmytro DATSIUK – Doctor of Philosophy, Senior Lecturer at the Department of Engineering Mechanics and Technological Processes in the Agro-Industrial Complex of Vinnytsia National Agrarian University (St. Soniachna, 3, Vinnytsia, Ukraine, 21008, e-mail: datsiuk.vnay@gmail.com, https://orcid.org/0000-0002-4614-2245).
Kateryna VASYLKOVSKA – Candidate of Technical Sciences, Associate Professor of the Department of General Agriculture, Central Ukrainian National Technical University (University Ave., 8. Kropyvnytskyi, 25006, Ukraine. e-mail: vasilkovskakv@ukr.net, https://orcid.org/0000-0002-3524-4027).
This article presents the results of theoretical and experimental studies on the sowing process of small-seeded crops using a selective seeder equipped with an electromechanical sowing apparatus with adjustable structural parameters. Particular attention is given to improving the uniformity of seed distribution in the flow, which is critical in breeding seed production where accuracy and consistency of sowing directly affect the quality of field research and the reliability of breeding outcomes.
The study employs a comprehensive approach that includes numerical modeling of seed flow in the STAR-CCM+ software environment, analytical substantiation of the influence of the guiding surface inclination angle β and divergence angle γ on the throughput of the apparatus, as well as experimental verification of the obtained data. As a result, second-order two-factor regression models were constructed to assess the dependence of the variation coefficient of throughput capacity on changes in the structural parameters of the sowing apparatus.
The proposed technical solutions reduce the coefficient of variation to minimal values, ensuring high accuracy and uniformity of seed delivery into the sowing channels. This, in turn, improves early plant development, reduces interplant competition, and enhances the efficiency of using breeding material. The research findings have practical significance for improving the design of seeders intended for research and breeding purposes and can be implemented in the operations of agricultural research institutions.
Additionally, the research identifies the optimal operating parameters of the electromechanical sowing apparatus that ensure stable seed flow under varying vibration conditions and seed sizes typical for small-seeded crops. The results of parametric optimization indicate that adjusting the rotor speed and the amplitude of oscillation of the guiding surface allows maintaining a consistent seed trajectory and minimizing losses during dosing. The implementation of the developed model in experimental prototypes demonstrated improvement in the uniformity of seed distribution compared to conventional mechanical systems, confirming the efficiency of the proposed design solutions for high-precision sowing technologies.
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About journal
The magazine "Engineering, Energy, Transport AIC" is included in the list of scientific professional editions of Ukraine on technical sciences
(Category "Б", Order of the Ministry of Education and Science of Ukraine dated 02.07.2020 №886)
According to the decision of National Council of Television and Radio Broadcasting of Ukraine from 25.04.2024 No. 1337 the scientific journal «Engineering, Energy, Transport AIC» has the ID of the Media R30-05173.
The journal "Engineering, Energy, Transport AIC" is indexed according to the following databases and catalogs:
Certificate of state registration of mass media: No. 21906-11806 P dated 03/12/2016.
Founder of the journal: Vinnytsia National Agrarian University
Type of publication: journal
Kind of publication: scientific
Publication status: domestic
Year of foundation: 1997
Periodicity: 4 times per year
Volume: 18-20 conv. print. sheet (А4)
ISSN: 2520-6168 (print version), (online version)
Language of publication: (mixed languages) Ukrainian, English
The sphere of distribution and category of readers: national, foreign, faculty, scientists, entrepreneurs.
The periodical edition is included to the List of scientific professional publications of Ukraine on technical sciences, approved by order of the Ministry of Education and Science of Ukraine in 05.16.2016, No. 515.
The journal "Engineering, Energy, Transport AIC" is included in the "Catalog of Ukrainian Publications".
Subscription to the journal can be issued in each post office. The subscription index is 99720.
Technology, energy, agriculture transport AIC is a scholarly professional journal with a long-standing history and stable academic tradition, reflecting the evolution of engineering and technical sciences within the agro-industrial sector of Ukraine.
The journal was founded in 1997 under the title Bulletin of Vinnytsia State Agricultural Institute. According to the Resolution of the Presidium of the Higher Attestation Commission of Ukraine dated September 11, 1997, the publication obtained the status of a professional scientific journal, which enabled the publication of the main results of doctoral and candidate dissertations in technical sciences. From its inception, the journal positioned itself as an academic platform for addressing current issues of mechanization, electrification, and technical support of agricultural production.
During 2001–2014, the journal was published under the title Proceedings of Vinnytsia National Agrarian University. Series: Technical Sciences (State Registration Certificate of Print Media KV No. 16644-5116 PR dated April 30, 2010). Throughout this period, a systematic approach to the selection and peer review of scientific manuscripts was established, the thematic scope of publications was expanded, and continuity of scientific directions as well as the development of sectoral engineering schools was ensured.
Since 2015, the journal has been published under its current title, Technology, energy, agriculture transport AIC (State Registration Certificate No. 21906-11806 R dated March 12, 2016). The change of title reflected the expansion of the journal’s thematic coverage and its orientation toward interdisciplinary research in mechanical engineering, energy systems, electrical engineering, transport technologies, automation, and digital solutions for the agro-industrial complex.
The journal consistently adheres to the principles of open science. All published materials are distributed under the Creative Commons Attribution 4.0 International License (CC BY 4.0), ensuring open access to research results provided proper attribution to the authors and the original publication is maintained.
At present, Technology, energy, agriculture transport AIC is an authoritative professional scientific journal (Category B), providing a platform for the publication of fundamental and applied research results, promoting the integration of education, science, and industry, and contributing to the advancement of engineering and technological support of the agro-industrial complex of Ukraine.
