Graph-analytical optimization of the transverse vertical cross-section of a contact zone between soil and an elastic wheeled mover

Authors

  • Bogdan Sheludchenko Scientific-Innovative Institute of Engineering of Agro-Industrial Production and Energy Efficiency Staryi blvd., 7, Zhytomyr, Ukraine, 10008, Ukraine https://orcid.org/0000-0002-8137-0905
  • Egidijus Sarauskis Institute of Agricultural Engineering and Safety of Vytautas Magnus university (VMU), Vytautas Magnus university Agriculture Academy, Institute of Agricultural Engineering and Safety Studentų str., 15a, Akademija, Kaunas r., Lithuania, LT – 53362, Lithuania https://orcid.org/0000-0001-9339-769X
  • Gennadii Golub National University of Life and Environmental Sciences of Ukraine Heroiv Oborony str., 15, Kyiv, Ukraine, 03041, Ukraine https://orcid.org/0000-0002-2388-0405
  • Savelii Kukharets Zhytomyr National Agroecological University Staryi blvd., 7, Zhytomyr, Ukraine, 10008, Ukraine https://orcid.org/0000-0002-5129-8746
  • Oleksandr Medvedskyi Zhytomyr National Agroecological University Staryi blvd., 7, Zhytomyr, Ukraine, 10008, Ukraine https://orcid.org/0000-0001-7458-5337
  • Viacheslav Chuba National University of Life and Environmental Sciences of Ukraine Heroiv Oborony str., 15, Kyiv, Ukraine, 03041, Ukraine https://orcid.org/0000-0002-4119-0520
  • Andrii Zabrodskyi Vytautas Magnus University Agriculture Academy, Institute of Agricultural Engineering and Safety Studentų str., 15a, Akademija, Kaunas r., Lithuania, LT – 53362, Lithuania https://orcid.org/0000-0001-8863-0901

DOI:

https://doi.org/10.15587/1729-4061.2019.182507

Keywords:

soil compaction, elastic deformer, field of pressure forces, nonlinearity of soil deformation

Abstract

The intensification of agricultural production under modern conditions implies the use of super-powerful mobile technical means, which leads to an increase in the levels of technogenic impact on soil and, consequently, deteriorates its fertility. Therefore, the most acute issue related to current agricultural production is aimed at resolving the task on improving the operational indicators of wheeled running systems of mobile technical means. This necessitates an analytical study into the processes of soil deformation under the elastic motors of mobile wheeled agricultural machinery.

We have proposed a procedure of the graph-analytical step-by-step modeling of the process of soil deformation under pneumatic tires of mobile agricultural equipment taking into consideration the changing shape of an elastic tire sheath. Using appropriate graphic models makes it possible to explore, in stages, the process of soil compaction inside the profile of the track it formed. It has been found that in the contact area «deformed soil – the surface of an elastic wheeled mover of the mobile vehicle» the highest level of compaction is observed in the soil layer, which is directly in contact with the elastic mover. The depth of the recompacted soil layer on the «track bottom» depends on the dimensions of a tire of the wheeled mover and does not exceed the value of 0.075 width of the tire. The highest soil compaction level is observed in the area directly adjacent to the gauge. It has been established that the most dangerous design of a pneumatic tire, in terms of soil overcompaction in the track, is the shape of an elastic tire sheath that is described by the curve of the Cassini oval with four points of inflection. We have outlined distinctive features of recommendations to determine the operational values of tire working pressure depending on specific physical-mechanical and agro-technological properties of soil and the character of performed technological operations

Author Biographies

Bogdan Sheludchenko, Scientific-Innovative Institute of Engineering of Agro-Industrial Production and Energy Efficiency Staryi blvd., 7, Zhytomyr, Ukraine, 10008

PhD, Professor

Egidijus Sarauskis, Institute of Agricultural Engineering and Safety of Vytautas Magnus university (VMU), Vytautas Magnus university Agriculture Academy, Institute of Agricultural Engineering and Safety Studentų str., 15a, Akademija, Kaunas r., Lithuania, LT – 53362

Full Member of the Lithuanian Academy of Sciences, Professor

Gennadii Golub, National University of Life and Environmental Sciences of Ukraine Heroiv Oborony str., 15, Kyiv, Ukraine, 03041

Doctor of Technical Sciences, Professor, Head of Department

Department of Tractors, Cars and Bioenergosistem

Savelii Kukharets, Zhytomyr National Agroecological University Staryi blvd., 7, Zhytomyr, Ukraine, 10008

Doctor of Technical Sciences, Associate Professor, Head of Department

Department of mechanical engineering and agroecosystems

Oleksandr Medvedskyi, Zhytomyr National Agroecological University Staryi blvd., 7, Zhytomyr, Ukraine, 10008

PhD

Department of Processes, Machines and Equipment in Agroengineering

Viacheslav Chuba, National University of Life and Environmental Sciences of Ukraine Heroiv Oborony str., 15, Kyiv, Ukraine, 03041

PhD, Associate Professor

Department of Transport Technologies and Means in AIC

Andrii Zabrodskyi, Vytautas Magnus University Agriculture Academy, Institute of Agricultural Engineering and Safety Studentų str., 15a, Akademija, Kaunas r., Lithuania, LT – 53362

Doctoral Student

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Published

2019-12-11

How to Cite

Sheludchenko, B., Sarauskis, E., Golub, G., Kukharets, S., Medvedskyi, O., Chuba, V., & Zabrodskyi, A. (2019). Graph-analytical optimization of the transverse vertical cross-section of a contact zone between soil and an elastic wheeled mover. Eastern-European Journal of Enterprise Technologies, 6(1 (102), 77–84. https://doi.org/10.15587/1729-4061.2019.182507

Issue

Vol. 6 No. 1 (102) (2019): Engineering technological systems

Section

Engineering technological systems

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Copyright (c) 2019 Savelii Kukharets

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