Wyniki wyszukiwania - BazTech

1

Influence of tire pressure on the vehicle braking distance

Stokłosa Józef, Bartnik Marek

Archiwum Motoryzacji

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2022

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Vol. 97, nr 3

60--73

EN

The article presents the results of research on the influence of the pressure in car tires on the braking distance. Tires with lower than nominal pressure, higher than nominal pressure and for comparison with nominal pressure were analyzed. The tests were carried out on a bituminous surface typical for most road surfaces in Poland. Six tests were carried out on a dry surface, a wet surface, and a surface covered with snow. The cars were equipped with sets of summer and winter tires.

2

Badanie doświadczalne cech kinematycznych ruchu pojazdu z wykorzystaniem opon zimowych i letnich

Markiewicz F., Waluś K., Polasik J.

Logistyka

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2014

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nr 5

1019--1026

PL

W okresie jesiennym i wiosennym można spotkać na drogach publicznych pojazdy wyposażone zarówno w opony zimowe jak i letnie. Brak jest wyraźnej granicy, która byłaby wskaźnikiem wymiany opon. W warunkach jezdni suchej, w temperaturach dodatnich zdolność przenoszenia sił stycznych w układzie opona-nawierzchnia może być różna w zależności od typu opony. Osiągane wartości przyspieszeń w danych warunkach atmosferycznych i nawierzchni determinują zakres bezpieczeństwa pojazdu oraz osób postronnych. W artykule przedstawiono wyniki badań doświadczalnych procesu intensywnego przyspieszania i hamowania dwóch samochodów osobowych z wykorzystaniem opon zimowych i letnich.

EN

In the autumn and spring can be found on the public highway vehicles equipped with both winter and summer tires. There is no distinct boundary, which would be an indicator of tire replacement. The dry road conditions, frost-carrying capacity of tangential forces in the tire-pavement system can vary depending on the type of tire. Achieved acceleration values in the data and surface weather conditions determine the scope of the safety of the vehicle and bystanders. The article presents the results of experimental intensive process of acceleration and deceleration of two cars with use of winter tires and summer.

3

Side Forces and Stabilization Moment Reasearch for Winter and Summer Tires

Waluś K. J.

Machine Dynamics Research

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2012

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Vol. 36, No. 3

95-102

EN

Vehicle subjected to specified external excitations is subjected to three-axial loads. Vehicle movements generated directional forces are transmitted through the coupling tire with the road. The value of these forces depends on the angle of the lateral drift, vehicle parameters and surface type. Lateral drift forces and moment stabilizing direct interferences on the front tire and indirectly by steering to the driver. An excessive increase in these forces makes it difficult to control the vehicle, and exceeded the limit of grip may result in loss of vehicle control. The paper presents results of experimental determination of the lateral drift forces and moment stabilizing the running on the machine using five-component hub.