Influence of Exploitation Conditions on Anti-Skid Properties of Tyres

Pokorski, J.; Sar, Hubert; Reński, Andrzej

doi:10.3846/transport.2019.10426

Cited by 10 publications

(4 citation statements)

References 26 publications

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“…Furthermore, since vehicle tires are the only contact point between a vehicle and road surface (contact patch problem) [14,15,29,32], the tire condition has a crucial impact on a dynamic stability and safety of car movement, especially during winter and autumn season. Yet the investigation of accidents that are caused by tire-road interaction and depend on weather conditions or are caused by tire blowout are rather complicated [8,27]. According to [26] the main causes of vehicle tire blowouts include severe surface wear and abnormal tire pressure which are most likely to occur in the case of high-speed driving or sudden breaking.…”

Section: Eksploatacja I Niezawodnosc -Maintenance and Reliabilitymentioning

confidence: 99%

Methodology for the Composite Tire Numerical Simulation Based on the Frequency Response Analysis

Karpenko¹,

Skačkauskas²,

Prentkovskis³

2023

Eksploatacja i Niezawodność – Maintenance and Reliability

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Reliability and maintenance analysis in transport focus on the main objective of accident and incident investigations that benefit to better understanding of the causes of accidents and prevention of them in the future. The conducted research presents theoretical and experimental research on composite pneumatic tire used in transport engineering. The approach of the numerical simulation sequence which is offered in this research facilitates engineers in efficient determination of the dynamic properties and behaviour of vehicle tire at design stage. The tire materials have been tested by employing piezoelectric micro-vibration tests and frequency analyses. The Finite Element Method used for numerical simulation in combination with experimental measurements based on optimization by material frequency response, was applied in modelling tire material behaviour avoiding problems of composite structure modelling. The obtained results indicate that the offered methodology can be used in numerical simulation of composite tire investigation and considering material viscos-elastic properties.

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Section: Eksploatacja I Niezawodnosc -Maintenance and Reliabilitymentioning

confidence: 99%

Methodology for the Composite Tire Numerical Simulation Based on the Frequency Response Analysis

Karpenko¹,

Skačkauskas²,

Prentkovskis³

2023

Eksploatacja i Niezawodność – Maintenance and Reliability

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“…If one discusses problems connected with vehicles, one can apply different mathematical apparatus to describe vehicle's motion, for example the Lozia's model [1]. Considering surrounding, one usually has different weather conditions or different road surfaces being in contact with tyres [2]. Considering a driver, one can see the analysis of a driver's behaviour [3].…”

Section: Issn 1335-4205 (Print Version) Issn 2585-7878 (Online Version)mentioning

confidence: 99%

Estimation of Wheels' Normal Reaction Forces of Automobile in Steady-State Curvilinear Motion

Fundowicz¹,

Sar²,

Brukalski³

2021

Komunikácie

Self Cite

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Computer simulation seems to be one of the cheapest and relatively fast methods of investigating vehicle motion. Thereby, it may be important in the case of calculations for the reconstruction of traffic incidents. In particular, that may be important to answer the following question: How wheels' normal reaction forces differ during the cornering of a vehicle? In this article, the authors presented how the normal reaction forces vary in the case of roll motion of a vehicle body. Suitable mathematical equations are presented. Furthermore, the measurements of the height of the centre of gravity were performed, which was necessary to obtain the normal reaction forces while vehicle body rolls. The authors decided to apply dimensionless coefficients, which represented the properties of a front and rear suspension. Additionally, dimensionless parameters were applied to consider the impact of asymmetrical distribution of vehicle load on normal reaction forces of wheels on a road surface.

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“…Pokorski J et al proposed the method of measuring the tyre grip by using the SRT-4 skid resistance tester consisting of a special dynamometric trailer, tractor and measurement instrumentation [11]. The speed characteristics of the tyre grip and grip characteristics in the wheel skid function were designated for various tyre types and in different road conditions.…”

Section: Introductionmentioning

confidence: 99%

Analysis of longitudinal acceleration during rapid minibus braking on various surfaces

Kurczyński

Łagowski²,

Stańczyk³

et al. 2022

IOP Conf. Ser.: Mater. Sci. Eng.

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Vehicle acceleration can be used to control vehicle traffic, evaluate driver behaviour and analyse accident causes, among others. The purpose of the testing was to designate longitudinal acceleration in limit conditions during the test vehicle’s braking on various surfaces. The paper presents selected results of testing the motion parameters of a Ford Transit during rapid braking. The testing included measurements of the vehicle’s acceleration and speed on test sections with asphalt and concrete surfaces. The test runs were conducted on a dry, wet and icy asphalt surface. The testing included determination of the impact of the road surface’s condition on the vehicle’s longitudinal acceleration. It was demonstrated that a virtually invisible and thin ice layer covering the road surface substantially affected the acceleration during braking, thereby affecting safety. A clean and wet surface caused a negligible change in the tested vehicle’s acceleration. The obtained results can be used in accident cause analysis with consideration of the road surface’s condition.

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Influence of Exploitation Conditions on Anti-Skid Properties of Tyres

Cited by 10 publications

References 26 publications

Methodology for the Composite Tire Numerical Simulation Based on the Frequency Response Analysis

Methodology for the Composite Tire Numerical Simulation Based on the Frequency Response Analysis

Estimation of Wheels' Normal Reaction Forces of Automobile in Steady-State Curvilinear Motion

Analysis of longitudinal acceleration during rapid minibus braking on various surfaces

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