Issue №: 2 (133)
The journal presents the results of scientific research and addresses current issues in the development and improvement of agricultural equipment and technologies, particularly in the design, production, and operation of machines and technical systems in the agro-industrial complex, including aspects of their efficient functioning.
A THEORETICAL STUDY OF THE PROCESS OF TRIMMING BEET TOPS USING PASSIVE BLADES
Taras DOVBUSH – Candidate of Technical Sciences, Associate Professor of the Department of Technical Mechanics and Agricultural Engineering, Ivan Puluj Ternopil National Technical University (56, Ruska St., Ternopil, 46025, Ukraine, e-mail: kaf_th@tu.edu.te.ua, https://orcid.org/0000-0002-8354-7276).
Hanna TSON – Candidate of Technical Sciences, Senior Lecturer of the Department of Technical Mechanics and Agricultural Engineering, Ivan Puluj Ternopil National Technical University (56, Ruska St., Ternopil, 46025, Ukraine, e-mail: kaf_th@tu.edu.te.ua, https://orcid.org/0000-0002-8561-8023).
Anatolii DOVBUSH – Senior Lecturer of the Department of Technical Mechanics and Agricultural Engineering, Ivan Puluj Ternopil National Technical University (56, Ruska St., Ternopil, 46025, Ukraine, e-mail: kaf_th@tu.edu.te.ua, https://orcid.org/0000-0001-6656-9150).
Olena SOLONA – Candidate of Technical Sciences, Associate Professor, Dean of the Faculty of Production Technology, Processing and Robotics in Animal Husbandry, Vinnytsia National Agrarian University (3, Soniachna St., Vinnytsia, 21008, Ukraine, e-mail: solona_o_v@ukr.net, https://orcid.org/0000-0002-4596-0449).
Based on the principle that the potential energy of the system is equal to the external work expended during the trimming of sugar beet roots with a passive flat knife, the study substantiates the possibility of reducing the load on the working body by rationally selecting the knife installation angle relative to the axis of motion of the top-trimming unit. It has been established that changing this angle directly affects the cutting force and the length of the knife travel path in the root crown zone. Therefore, a properly selected blade angle makes it possible not only to reduce the force acting on the knife, but also to improve the quality of top removal by increasing the cutting path and ensuring more stable interaction between the blade and the root surface.
Before performing the technological process of sugar beet top trimming, it is advisable to analyze the geometric parameters of the roots, primarily the average crown diameter, since this parameter determines the initial conditions for calculating the cutting force. By setting the blade thickness of the trimming device and using the established analytical dependence, the required force applied to the blade can be determined. Taking into account the strength limit of the blade material, the recommended operating speed of the unit is then calculated. At the same time, speeds that may cause resonance phenomena in the trimming device must be excluded from the acceptable range.
Knowing the cutting force and the knife angle, the natural frequency of the device is determined using the proposed relationship. Further analysis of the obtained results makes it possible to identify the travel speeds at which resonance may occur. These speeds should be avoided during operation, as they can increase dynamic loads, reduce trimming quality, and accelerate wear of the working body. Thus, the proposed approach provides a consistent procedure for selecting the geometric and kinematic parameters of a passive flat knife, ensuring lower cutting resistance, improved top-trimming quality, and more reliable operation of the sugar beet harvesting unit.
1. Babii, A., Dovbush, T., Khomuk, N., Dovbush, A., Tson, A., & Oleksyuk, V. (2022). Mathematical model of a loaded supporting frame of a solid fertilizers distributor. Procedia Structural Integrity, 36, 203–210. https://doi.org/10.1016/j.prostr.2022.01.025 [in English].
2. Dovbush, T., Khomyk, N., Dovbush, A., & Dunets, B. (2019). Evaluation technique of frame residual operational life. Scientific Journal of the Ternopil National Technical University, 93(1), 61–69. https://doi.org/10.33108/visnyk_tntu2019.01.061 [in English].
3. Tson, A., Baranovskyi, V., Lyashuk, O., & Dovbush, T. (2018). Experimental researches of parameters of the technological process of the improved beet tops purifier. Scientific Journal of the Ternopil National Technical University, 92(4), 60–67. https://doi.org/10.33108/visnyk_tntu2018.04.060 [in English].
4. Tson, A., Khomuk, N., Dovbush, T., & Tson, O. (2018). Feasibility study of auger conveyor performance of the haulm removing module. Scientific Journal of the Ternopil National Technical University, 91(3), 101–106. https://doi.org/10.33108/visnyk_tntu2018.03.101 [in English].
5. Tsyon, O. P., Stashkiv, M. Ya., Oleksiuk, V. P., & Tsyon, H. B. (2017). Study of the remaining service life of a flat blade for an active-type top-cutting machine. In Proceedings of the International Scientific and Technical Conference “Damage to Materials During Operation, Methods of Its Diagnosis and Prediction” (pp. 251–255). Karpenko Physico-Mechanical Institute of the NAS of Ukraine. [in English].
6. Okunsky, O. O., Tsyon, O. P., Tsyon, H. B., Leshchuk, R. Ya., & Yuryev, O. A. (2024). Justification of the design parameters of a top-cutting trimmer with an active blade. Central Ukrainian Scientific Bulletin. Technical Sciences, 10(41), Part 1, 186–191. https://doi.org/10.32515/2664-262X.2024.10(41).1.186-191 [in English].
7. Lyashuk, O., Sokil, B., Tson, H., & Dovbush, T. (2020). Dynamic processes in agricultural machine units with elastic-dissipative connections. Acta Technologica Agriculturae, 23(2), 58–64. https://doi.org/10.2478/ata-2020-0011 [in English].
About the journal
G8 – Materials Science
G9 – Applied Mechanics
G10 – Metallurgy
G11 – Mechanical Engineering (by specializations)
The journal "Engineering, Energy, Transport AIC" is indexed according to the following databases and catalogs:
The All-Ukrainian scientific journal “Technology, energy, agriculture transport AIC” is an open-access scientific publication that publishes the results of original research, theoretical and applied developments, as well as scientific papers in the fields of engineering sciences, energy systems, and transport technologies of the agro-industrial complex.
The main objective of the scientific journal “Technology, energy, agriculture transport AIC” is to disseminate the results of modern scientific research and to promote the development of technical, energy, and transport solutions for the agro-industrial complex through the publication of scientific materials characterized by scientific novelty and practical significance in the field of design and modernization of machinery, equipment, and technologies.
The journal’s activities are focused on supporting the development of engineering science, stimulating the implementation of innovative approaches into industrial practice, as well as ensuring effective exchange of scientific achievements among researchers, educators, engineers, and other specialists in relevant fields.
Objectives of the Journal
To achieve its defined objective, the journal ensures the implementation of the following key tasks:
· publication of the results of fundamental and applied research covering the fields of applied mechanics, mechanical engineering, materials science, energy systems, electrical engineering, electromechanics, and transport systems of the agro-industrial sector;
· promotion of the implementation of advanced technical and technological developments aimed at improving the efficiency of machinery, equipment, and production processes;
· creation of conditions for active scientific exchange among research institutions, higher education institutions, industrial enterprises, and other interested organizations;
· support for the development of interdisciplinary research and expansion of cooperation among specialists in various fields of science and technology;
· promotion of the improvement of the scientific and technical level of research related to the design, modernization, and operation of technical equipment used in agro-industrial production;
· dissemination of information on modern achievements in science and technology and the implementation of innovative technologies in the fields of technical support, energy, and transport;
· development of a scientific information environment that facilitates effective scientific communication and the integration of national research into the international scientific community.
Publication frequency: 4 issues per year
Languages of publication: Ukrainian, English
Editor-in-Chief: Vitalii YAROPUD
State Registration: Decision of the National Council of Ukraine on Television and Radio Broadcasting № 1337 and № 1180. Media Identifier: R30-05173
EDRPOU Code: 00497236
Publisher ROR: https://ror.org/05m3ysc06
Publisher DOI Prefix: 10.37128
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.
