© Bohdan Zaveretannyi,
Doctor of Philosophy, Design Engineer,
ORCID: 0009-0001-7492-3663,
e-mail: zavertannyi@stu.cn.ua
(LTD PET TECHNOLOGIES);
© Hennadii Pasov, Сandidate of Technical
Science, Associate Professor,
ORCID: 0000-0001-7248-9085,
e-mail: genapasov@gmail.com
(Chernihiv Polytechnic National University)
© Myroslav Zaveretannyi,
Сandidate of Technical Science, Researcher,
ORCID: 0000-0002-8415-8555,
e-mail: zavertannyi@gmail.com
(E.O. Paton Electric Welding Institute)
GEOMETRIC ANALYSIS OF CAR TIRE SLIPPAGE ON THE ROAD SURFACE WITH NON-OPTIMAL CAMBER (WHEEL MOUNTING ANGLE)
DOI: 10.33868/0365-8392-2025-1-282-29-34
Abstract. Today, it is hard to imagine modern society without automobile transport. Automobile transport is actively used in everyday life, in industry and in other areas, its number is also actively increasing There is mass motorization of the population. During the movement of the car, there is a dynamic change in the angle of convergence of the wheels, which is caused by the structural features of the suspension system and the car control system. Due to the fact that reduc-ing the energy consumption of equipment and road transport as a separate component of technological processes is a very relevant issue today, there is a need to reduce useful energy losses during the operation of automobile transport. Also, to the above, we can add the effect of losses of useful energy on wear and tear in contact pairs of road transport and road surfaces on which the latter moves. Goal. The purpose of the work is to investigate the influence of geometric friction of the wheel tire sliding on the road surface in the presence of a camber angle in line with the rolling friction, to conduct an analysis of wheel tire slippage relative to the rolling pole. Methodology. In order to achieve the given task, it is necessary to reveal the essence of the concept of slippage, its effect on the linear speeds of discrete sections of the tire, and to determine the changes in slippage characteristics depending on the wheel camber angle. Originality. The effect of the geometrical friction of the wheel tire sliding on the road surface was studied taking into account the camber angle along with the rolling friction, an analysis of the wheel tire sliding on the road surface relative to the rolling pole was carried out. The essence of the concept of skidding, tires on the road surface, its influence on the linear speeds of discrete sections of the tire is revealed. Conclusions. A geometric analysis of the influence of tire slippage of a car wheel on the road surface in the presence of a tire camber angle was carried out. The essence of the geometric friction of the wheel tire sliding on the road surface in the presence of a camber angle along with rolling friction is revealed. The principle of sliding of the upper tire of the wheel relative to the road surface is described.
Keywords: climb camber, wheel installation angle, tires, slipping, friction.
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