Issue №: 4(119)
The journal deals with the problems of vibration technologies and machines, mathematical methods of vibration process studies, information on design and technological development, presents teaching and methodological aspects of teaching in the Higher School of Applied Sciences, where vibration machines and technologies are studied.
CRITERIA-BASED ASSESSMENT OF TRAUMA-SAVING GRAIN TRANSPORT TECHNOLOGY BASED ON DIMENSION THEORY AND PARTIAL DERIVATIVE ANALYSIS
Mirskykh Ruslan – PhD-student, specializing 133 “Industrial Engineering”, Department of Processes, Equipment and Energy Management, Odesa National University of Technology (Оdesa, Kanatna Str. 112, Ukraine, 65039) e-mail: rmirskykh@gmail.com, ORCID: 0009-0001-9012-5581.
The process of grain transportation in modern technological lines is accompanied by intensive mechanical impact, leading to significant injury to the seed material. Addressing the challenge of minimizing quality losses necessitates a transition from empirical observations to mathematical models that account for both the equipment's technical parameters and the biological nature of the research subject. This article examines a mathematical model of the grain damage process and identifies dimensionless similarity criteria based on dimensional analysis. The methods of dimensional theory and the π-theorem (Buckingham-Federman theorem) were applied. The injury process is described through a functional dependence of the total length of cracks and fractures L on three groups of factors: physico-mechanical properties of the grain Fm, biological characteristics Bam and external impact parameters Ei. Based on dimensional analysis, six independent dimensionless complexes were derived to describe the energetic and kinematic interactions within the "grain–working element–surface" system. The key identified criteria include the density of the grain, the dynamic load acting on the grain, and the hardness of the contact surface, which determines the damping of impact energy by the working element or equipment surface. By excluding insignificant factors, the model's suitability for practical engineering calculations has been enhanced. The developed model enables the prediction of injury levels at the design stage of transport systems. The implementation of the proposed solutions will contribute to increasing the competitiveness of the agricultural sector, emphasizing the importance of an integrated approach to transport system design that combines technical, economic, and technological aspects.
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About the journal
The journal "Vibrations in Engineering and Technologies" is included in the list of technical scientific publications of Ukraine
(Category "B", Order of the Ministry of Education and Science of Ukraine dated July 2, 2020 No. 886)
Old version of the site: http://vibrojournal.vsau.edu.ua/
The journal "Vibrations in Engineering and Technology" is indexed by the following databases and catalogs:
The certificateof massmedia State registration:kv no 16643-5115 from 30.04.2010 .
Founder of the journal: Vinnytsia National Agrarian University
The journal is devoted to highlighting current issues in engineering, mechanical engineering, and technological processes, including the study of dynamic and oscillatory phenomena in technical systems, the application of mathematical methods for process modeling and analysis, as well as the presentation of results of design-engineering and technological developments. Particular attention is given to the study of vibration processes and their application in modern technologies.
The purpose of the scientific journal “Vibrations in Engineering and Technologies” is to disseminate the results of fundamental and applied research in the field of engineering sciences aimed at developing theoretical foundations and practical approaches to the design, analysis, and improvement of machines, materials, and technological processes, including the use of vibration and oscillatory effects in various sectors of production.
The publication is focused on the formation of a modern scientific and informational environment for the effective exchange of research results, support of innovative development, and implementation of advanced technical solutions in industry, agro-industrial production, and related fields.
The journal promotes the development of interdisciplinary research, the integration of modern engineering approaches, and the enhancement of the efficiency of technological processes and technical systems, including through the rational use of vibration phenomena.
Objectives of the Scientific Journal
To achieve its stated purpose, the journal addresses the following key objectives:
dissemination of results of fundamental and applied scientific research in the fields of mechanics, mechanical engineering, technological processes, machine dynamics, and equipment, as well as in areas related to the application of vibration phenomena in engineering and technologies;
promotion of research aimed at the creation and improvement of machines, mechanisms, and technological equipment based on oscillatory and vibration processes;
support for the implementation of modern technological solutions focused on improving productivity, energy efficiency, and reliability of technical systems;
обеспечение scientific exchange of research results among research institutions, higher education establishments, and industrial enterprises;
development of interdisciplinary cooperation among researchers in the fields of mechanics, materials science, material processing technologies, and automation of technological processes;
dissemination of modern scientific achievements and advanced technologies related to the application of vibration processes in production and technical systems.
Publisher Vinnytsia National Agrarian University
In June 1994 the 2nd International Scientific and Technical Conference "Application of vibrations for technological purposes" was organized on the basis of Vinnytsia State Agricultural Institute. Leading experts in this field, noting the significant contribution to the school of Vibration Engineering under the leadership of P. S. Bernyk, proposed to create a professional all-Ukrainian scientific and technical journal "Vibration in engineering and technology..The journal was foundedat Vinnytsia State Agricultural Institute and P.S. Bernyk was elected to be the chief editor .
For all these years (since 1994) theJournal "vibration in engineering and technology" published 119 issues wherestudy of vibration effects, the creation of progressive energy saving technologies and equipment for their implementation were highlighted.
Currently Ihor Kupchuk, Candidate of Technical Sciences, Associate professor, Associate Professor of the Department of Engineering Mechanics and Technological Processes in the Agricultural Industry Faculty of Engineering and Technology Vinnytsia National Agrarian University is the chief editor of the "Vibrations in engineering and Technology"
The journal "Vibration in Engineering and technology", which has no analogues on the territory of Ukraine, is well known abroad.
