Taşıtlarda Aks Yükünün Lastik Davranışına Etkilerinin İncelenmesi

Year 2024, Volume: 27 Issue: 2, 603 - 614, 27.03.2024

Turan Alp Arslan İbrahim Çelik Faruk Emre Aysal Hüseyin Bayrakçeken

https://doi.org/10.2339/politeknik.1187066

Abstract

Bu çalışmada, taşıt güvenlik ve kontrol sistemlerinin işletilmesinde önemli bir parametre olan kayma açısı matematiksel olarak incelenmiştir. Fiala lastik modeli temel alınarak oluşturulan matematiksel model ile aks yükünün 1000 N ile 6000 N arasındaki değerleri için yanal kuvvet ve kendini ayarlama torkunun kayma açısına bağlı değişimi belirlenmiştir. Bu parametreler ile pnömatik iz mesafesi, temas alanı basınç dağılımı, temas alanı maksimum basınç değeri, yanal lastik sapması ve viraj rijitliği değerleri hesaplanmıştır. Benzer şekilde kamber açısının belirli değerleri için ise kamber itki kuvveti ve kamber rijitliği değerleri incelenmiştir. Lastik mekaniği için büyük önem arz eden tüm bu parametrelerin aks yüküne bağlı olarak değişimleri araştırılmıştır. Çalışmada 205/55R16 ebatlarındaki standart bir pnömatik lastiğe sahip tek bir tekerlek örneği, kuru asfalt yol şartlarında, esnek tekerlek-rijit zemin yol etkileşimi açısından araştırılmıştır.

Keywords

Aks yükü, Lastik mekaniği, Kayma açısı, Yanal kuvvet, Taşıt dinamiği

Investigation of the Effects of Axle Load on Tyre Behaviour in Vehicles

Abstract

In this study, the slip angle which is a significant parameter in the operation of vehicle safety and control systems was investigated mathematically. With the model developed based on the Fiala tire model, the variation of the lateral force and self-aligning torque depending on the slip angle was obtained for the axle load values between 1000 N and 6000 N. By using these parameters, pneumatic trail, tyre contact area pressure distribution, tyre contact area maximum pressure value, lateral tyre deflection, and cornering stiffness were calculated. Similarly, for certain values of camber angle, camber thrust, and camber stiffness were examined. The changes of all these parameters which are of great importance for tyre mechanics depending on the axle load was investigated. A single-wheel sample with a standard 205/55R16 pneumatic tyre was investigated in terms of flexible wheel-rigid ground road interaction under dry asphalt road conditions..

Keywords

Axle loads, Tyre mechanics, Slip angle, Lateral force, Vehicle dynamics

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