Engineering, Energy, Transport AIC


Issue №: 1 (124)

Published: 2024.04.22
DOI: 10.37128/2520-6168-2024-1

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.

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DOI: 10.37128/2520-6168-2024-1-8
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Elchyn ALIIEV – Doctor of Technical Sciences, Senior Researcher, Professor of the Departments of Mechanization of Production Processes in Animal Husbandry of Dnipro State Agrarian and Economic University (St. S. Efremova, 25, Dnipro, Ukraine, 49000, e-mail: aliev@meta.ua, https://orcid.org/0000-0003-4006-8803).

Petro BEZVERKHNII – recipient of the third educational and scientific level of the Dnipro State Agrarian and Economic University (St. S. Efremova, 25, Dnipro, Ukraine, 49000, e-mail: bezverhnijpetro5@gmail.com, https://orcid.org/0009-0000- 0368-7870).

Olha ALIIEVA – Doctor of Philosophy, researcher of the Department of Technical and Technological Support of Seed Production of the Institute of Oilseed Crops of the National Academy of Agrarian Sciences of Ukraine (Instytutska St., 1, Sonyachne village, Zaporizhia District, Zaporizhia Region, 69055, e-mail: olya_alieva@meta.ua, https://orcid.org/0000-0002-2766-7548).


According to preliminary research, the primary factor influencing the accuracy of seed placement by pneumatic seeders is the process of transferring seeds from the metering device to the point of direct entry into the furrow formed by the coulter in the soil. The first factor is related to the high velocity of the air stream, which increases the risk of seed dislodgement from the seed boot and its placement outside the furrow. This problem can be addressed by installing a seed retarder above the seed boot. The second factor lies in the imperfect shape of the seed channel in the seed boot. Seeder developers, aiming to create an "ideal" seed bed in the soil, often underestimate the importance of the shape of the seed channel. Due to the high speeds at which modern pneumatic seeders operate (1.5–4.2 m/s) and their constant vibration, seeds in the seed channel of the seed boot constantly collide with its walls, leading to changes in direction and speed of movement. This chaotic seed movement results in decreased seeding accuracy. The third factor is the complete absence or incorrect installation of a seed retarder, which should prevent seed dislodgement from the bottom of the furrow.
As a result of the analytical studies, the kinematics of seed motion after ejection from the seed boot and rebound from the furrow bottom and seed retarder were considered. The obtained dependencies include the maximum height of the parabolic seed trajectory y3`, the difference in distance between the points of rebound from the ground surface and the distance traveled by the seeder Δx from the initial seed velocity Vp0, the angle of their ejection α, the height of the seed retarder placement Hu, and the angle of its inclination β. By satisfying the conditions and for the obtained dependencies in Wolfram Cloud, the following rational parameters were obtained: α = 47°, β = 0°, Hu < 0.134 m. To ensure consistent seed placement at the center of the furrow bottom after rebounding from the seed retarder with a slight trajectory deviation (± 0.01 m), the profile shape of its working surface should be parabolic with the focus at point pf = 0.134 m.

Keywords: seeds, precision sowing, pneumatic seeder, sowing shoe, seed stabilizer, kinematics of seed movement, parameters, shape.

List of references

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About journal

Topics of the journal:

131 - Applied Mechanics

132 - Materials Science

133 - Industry engineering

141 - Power engineering, electrical engineering and electromechanics

208 - Agricultural engineering

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)

Old version of site: http://tetapk.vsau.edu.ua, http://techjournal.vsau.org

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:

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Key information:
ISSN (print): 2520-6168
DOI: 10.37128/2520-6168

Certificate of state registration of mass media: No. 21906-11806 P dated 03/12/2016.

Founder of the journal: Vinnytsia National Agrarian University

Editor-in-chief: Oleksii Tokarchuk - Ph.D., Associate Professor, VNAU (Vinnytsia)

Deputy Editor-in-Chief: Natalia Veselovska - Doctor of Technical Sciences, Full Prof., VNAU (Vinnytsia)

Executive Secretary: Yuriy Polevoda- Ph.D., Associate Professor, VNAU (Vinnytsia)

Members of the Editorial Board:

Tokarchuk O.A. - Ph.D., Associate Professor, Vinnytsia National Agrarian University

Veselovska N.R. - Doctor of Technical Sciences, Full Professor, Vinnytsia National Agrarian University

Polevoda Yu.A. - Ph.D., Associate Professor, Vinnytsia National Agrarian University

Jordan Todorov Maximov - Doctor of Technical Sciences, Full Professor, Technical University of Gabrovo (Bulgaria)

Bulgakov V.M. - Doctor of Technical Sciences, Full Professor, Acad. NAAS, National University of Life and Environmental Sciences of Ukraine

Hraniak V.F. - Ph.D., Associate Professor, Vinnytsia National Agrarian University

Ivanchuk Y.V. - Doctor of Technical Sciences, Associate Professor, Vinnytsia National Technical University

Iskovich-Lototsky R.D. - Doctor of Technical Sciences, Full Professor, Vinnytsia National Technical University

Kupchuk I.M. - Ph.D., Associate Professor, Vinnytsia National Agrarian University

Sevostianov I.V. - Doctor of Technical Sciences, Full Professor, Vinnytsia National Agrarian University

Spirin A.V. - Ph.D., Associate Professor, Vinnytsia National Agrarian University

Tverdokhlib I.V. - Ph.D., Associate Professor, Vinnytsia National Agrarian University

Tsurkan A.V. - Doctor of Technical Sciences, Associate Professor, Vinnytsia National Agrarian University

Yaropud V.M. - Ph.D., Associate Professor, 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.

History of journal:

It was founded in 1997 under the title "Bulletin of the Vinnitsa State Agricultural Institute." According to the Decree of the Presidium of the Higher Attestation Commission of Ukraine of September 11, 1997, this publication received the status of a professional in which it is allowed to publish the main results of dissertation researches.

In 2001-2014 the journal published under the title “Collection of scientific works of Vinnytsia National Agrarian University. Series: Technical Sciences "(Certificate of State Registration of Mass Media KV No. 16644-5116 PR of 04/30/2010).

Since 2015 journal has title "Engineering, Energy, Transport AIC" (Certificate of State Registration of Mass Media No. 21906-11806 P dated 03/12/2016).