Issue №: 1(120)
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.
STUDY OF THE BRAKING PROCESS OF A GRAIN HARVESTER USING VOLUME HYDROTRANSMISSION GST-90
Volodymyr Rutkevych – Ph.D. of Eng., Associate Professor of the Department "Machinery and Equipment of Agricultural Production" of the Vinnytsia National Agrarian University (Sonyachna Str., 3, Vinnytsia, Ukraine, 21008, e-mail: v_rut@ukr.net, https://orcid.org/0000-0002-6366-7772).
Serhiy Shargorodskiy – Ph.D. of Eng., Associate Professor of the Department "Machinery and Equipment of Agricultural Production" of the Vinnytsia National Agrarian University (3, Solnychna str., Vinnytsia, Ukraine, 21008, e-mail: sergey20@vsau.vin.ua, https://orcid.org/0000-0003-2125-773X).
Based on the analysis of transmissions of modern grain and fodder harvesters "Don", "Niva", "Yenisei", "KSK", "John Deere", "Challenger", "New Holland", "Class", road construction and reclamation machines, it was found that they are mainly equipped with a volumetric hydraulic drive of the GST-90 type. According to the data of the scientific and technical literature, in the transmissions of modern equipment for the agro-industrial complex, these reasons account for at least 35 %, including the failure of hydrostatic transmissions of the GST-90 type accounts for 20 % of the total number of machine failures during the pre-repair period of operation. Therefore, the development of mathematical models and the research of the braking process of grain harvesters using volumetric of the GST-90 hydraulic transmission will allow to increase efficiency, reduce wear resistance and increase the resource of its operation.
It was found that with the widespread use of hydrostatic transmissions in grain harvesters, little attention is paid to the issue of effective braking using this type of transmission. The main goal of the article is to study the operation of the hydrostatic transmission in the braking mode. The calculation scheme of the GST-90 hydrostatic transmission was developed and its mathematical model was developed, which adequately reflects the processes occurring in the hydraulic transmission of the grain harvester in braking mode. This mathematical model can also be used for conducting research in order to develop recommendations for the design and selection of optimal parameters of a hydraulic transmission of this type. The developed mathematical model calls for further theoretical and experimental research to develop measures to increase the quality indicators of its characteristics.
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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.
