Article

DOI: 10.5937/jaes0-36513
This is an open access article distributed under the CC BY 4.0

Volume 20 article 985 pages: 788-797

Leonid Bukhtoyarov*
Department of Forest Industry, Metrology, Standardization and Certification, Voronezh State University of Forestry and Technologies named after G.F. Morozov, Timiryazev str., 8, Voronezh, 394087, Russian Federation

Ol'ga Kunickaya
Department of Technology and Equipment of Forest Complex, Arctic State Agrotechnological University, Sergelyakhskoye highway, 3, Yakutsk, 677007, Russian Federation

Alina Urazova
Department of Technologies and Equipment of Timber Industry, Ural State Forest Engineering University, Sibirskiy trakt, 37, Yekaterinburg, 620100, Russian Federation

Pavel Perfiliev
Department of Timber Industry and Materials Processing, Northern Arctic Federal University, Severnaya Dvina embankment, 17, Arkhangelsk, 163000, Russian Federation

Varvara Druzyanova
Department of Operation of Road Transport and Auto Repair, Northeastern Federal University named after M.K. Ammosov, Belinsky str., 58, Yakutsk, 677000, Russian Federation

Sergey Egipko
Department of Machines Environmental Engineering, Don State Agrarian University, Grekova str., 24, Novocherkassk, 346410, Russian Federation

Albert Burgonutdinov
Department of Operation of Auto Armored Technique of the Faculty (Technical Support), Perm Military Institute of the National Guards Forces of the Russian Federation, Gremjachij Log str., 1, Perm, 614990, Russian Federation

Evgeniy Tikhonov
Department of Transport and Technological Machinery and Equipment, Petrozavodsk State University, Lenina av., 33, Petrozavodsk, 185910, Russian Federation

The problem of untimely forest thinning is quite common in today's society. It leads to the emergence of the underbrush, which negatively impacts the growth and development of young trees. Therefore, this work aims to estimate the feasibility of applying a new rotary brush cutter model to eliminate excessive vegetation. The dependence of the tractor's speed when removing underbrush with different diameters of tree trunks was established by performing mathematical modeling to optimize the brush cutter parameters. Three types of flexible inertia cutting devices were investigated: flat knives, sprocket chains, and knife chains. Knife chains are the most optimal choice as they cut plants most efficiently (94.61% and 92.5% for two-year and three-year underbrush, respectively). They also show the lowest energy consumption for underbrush with a trunk between 1 and 2.4 cm in diameter. Further experiments are required to determine if the developed mathematical model can be used for more neglected forestry stands.

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The work was carried out within the confines of the scientific school "Advances in lumber industry and forestry". The underlying content of this paper was supported by the grant of the Russian Science Foundation No. 22-26-00009, https://rscf.ru/project/22-26-00009/

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