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Refinement of the characteristics of the aerodynamic resistance to the movement of special wheeled chassis and tractors based on the use of computational gas dynamics methods

Journal: Nauchno-tekhnicheskiy vestnik Bryanskogo gosudarstvennogo universiteta (Vol.7, No. 3)

Publication Date:

Authors : ;

Page : 270-279

Keywords : wheeled chassis; truck; aerodynamics; resistance to movement; computational gas dynamics; CFD-simulation.;

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An accurate assessment of the characteristics of the aerodynamic resistance to movement is important for the preliminary selection of the parameters of the engine, transmission and chassis of a special wheeled chassis or tractor. The strength of the movement resistance affects the dynamic characteristics of the car. The existing calculation methods allow for a wide variation of the aerodynamic drag coefficient, which complicates the task of preliminary selection of car parameters. The purpose of this article is to clarify and develop the engineering methodology for carrying out traction-dynamic calculations of special wheeled vehicles and tractors based on the results of computer modeling performed using computational fluid and gas dynamics (CFD modeling) methods. The modeling methodology and calculation results of a special wheeled chassis manufactured by JSC «BAZ» are considered.

Last modified: 2021-10-01 21:28:29