Polygonal Wear of Automobile Tire.

Sueoka, Atsuo; Ryu, Takahiro; Kondou, Takahiro; Togashi, M.; Fujimoto, Toshiro

doi:10.1299/jsmec.40.209

Cited by 30 publications

(27 citation statements)

References 3 publications

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“…Previous research [1,5] has confirmed that the lateral selfexcited vibration of the contact tread is a necessary condition for polygonal wear. When a polygonal wear pattern develops, Fig.…”

Section: Modeling Of Tire Dynamicsmentioning

confidence: 88%

“…Sueoka et al [1] noted that the relation between the amount of disturbance wear I (t) of the tread and the force F exerted on the contact block of tread is…”

Section: Calculation Of Disturbance Wear and Conditions For Polygonalmentioning

confidence: 99%

“…where = 2.90 × 10 −14 m/N and ς = 2 for transient wear [1]. With the vehicle and tire parameters summarized in "Appendix", the disturbance wear at various vehicle speeds (i.e., 54, 84.4847, 86.4 and 88.7079 km/h) is calculated, as depicted in Fig.…”

Section: Calculation Of Disturbance Wear and Conditions For Polygonalmentioning

confidence: 99%

“…The first analytical model of polygonal wear was presented by Sueoka et al [1][2][3]. They summarized common features and patterns of such abnormal wear, i.e., polygonal wear is frequently observed on the following wheel of a frontengine rear-drive passenger car that travels frequently at high speed and it is more likely to occur when a tire is underinflated or the vehicle is overloaded.…”

Section: Introductionmentioning

confidence: 99%

“…Wu et al [8] discussed the dynamic stability of such lateral self-vibration of tread through bifurcation analysis. Zuo et al [9] compared dynamic tread contact con- [1] ditions between the driving wheel and the following wheel and revealed the mechanism behind the tendency for such abnormal wear to appear on the following wheel.…”

Section: Introductionmentioning

confidence: 99%

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Mechanism and Conditions of the Polygonal Wear of Vehicle Tire

Zuo

Tianxin

et al. 2018

Automot. Innov.

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Polygonal wear seriously decreases the lifespan of a tire of a passenger car and adversely affects vehicle dynamic safety. The present paper builds a model that reflects the dynamic contact characteristics of the tire and reveals the mechanism and conditions of polygonal wear of a tire. The model describes the dynamic contact behavior of the tread block and considers the characteristics of dynamic friction between the road and tread of a rolling tire. Conducting numerical bifurcation analysis, the paper reveals the conditions for self-excited vibration of the tread, i.e., the improper combination of the vertical load, wheel slip angle, tire pressure and vehicle speed considerably strengthen the lateral self-excited vibration of the tread, which is the direct vibrational source of abnormal circumferential polygonal wear. The polygonal wear of a tire occurs when a vehicle travels for a certain long distance at a so-called polygonal wear speed. The polygonal wear speed should induce lateral self-excited vibration on the contact tread of the tire and the frequency of the lateral self-excited vibration should be divisible by the rolling frequency of tire that is determined by the polygonal wear speed. Visible polygonal wear requires that the vehicle travels at a certain polygonal wear speed for a minimal distance to produce a stably developing polygonal wear pattern even for subsequent driving at variable speed.

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“…Previous research [1,5] has confirmed that the lateral selfexcited vibration of the contact tread is a necessary condition for polygonal wear. When a polygonal wear pattern develops, Fig.…”

Section: Modeling Of Tire Dynamicsmentioning

confidence: 88%

“…Sueoka et al [1] noted that the relation between the amount of disturbance wear I (t) of the tread and the force F exerted on the contact block of tread is…”

Section: Calculation Of Disturbance Wear and Conditions For Polygonalmentioning

confidence: 99%

Section: Calculation Of Disturbance Wear and Conditions For Polygonalmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Mechanism and Conditions of the Polygonal Wear of Vehicle Tire

Zuo

Tianxin

et al. 2018

Automot. Innov.

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Tyre Mechanics and Thermal Effects on Tyre Behaviour

Genovese

Timpone

2021

Vehicle Dynamics

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This chapter deals with tyre mechanics and it has a particular focus on thermal effects on its dynamical behaviour. In the first part the typical tyre structure is introduced together with the tyre mechanical/dynamical behaviour according to a classical approach, so recalling the main kinematic and dynamic quantities involved in tyre pure and combined interactions. The core of this chapter is the description of a physical-analytical tyre thermal model able to determine the thermal status in each part of the tyre useful for vehicle dynamics modelling and driving simulations in order to take into account thermal effects on tyre interactions and consequently on vehicle dynamical behaviour. Successively also the tyre wear modelling is faced, after a brief introduction to the different models available in literature some considerations are reported concerning the thermal effects on wear.

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