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Scientific paper ID 1832 : 2019/3
EFFECT OF SOME CONSTRUCTIVE PARAMETERS OF THE RADIAL PNEUMATIC TYRE ON ITS VIBRATION ACTIVITY
Penko Tzvetkov Petkov The evolution of automotive engineering is associated with increasingly complex problems to ensure high reliability, safety, energy economy and environmental friendliness combined with increased functional comfort. The pneumatic tyre (PT) as a constituent element of the running wheel performs the immediate functional connection of the system «Road surface – Car – Driver (passengers)». When running PT is subjected to related mechanical influences, a part of which through the elements of the suspension is transmitted to the body of the car and cause the generation of oscillations in a wide frequency range. The mechanical and vibration acoustic comfort of the car is determined from the oscillation and noise levels in the cabin.
The constructions and the technology of PT are developed in parallel with those of the mechanisms, systems, and nodes of the automotive equipment. Despite the advantages of PT with radial construction, when moving the vehicle on roads with fine irregularities, they are a source of intense vibrations in a certain frequency area. An opportunity to improve the vibration properties of the radial PT is based on an appropriate selection of the parameters of the main and additionally embedded elements in its construction. The work researches the effect of some of these parameters on the vibration activity of PT. To obtain practical results sufficient to objectively assess the vibration behaviour of the target of research, an experimental-analytical approach has been applied based on the method of factor analysis and the mathematical planning of the experiment. радиална пневматична гума; вибрационна активност; усилваща лента в страницата; ъгъл на наклона на кордните нишки в усилващата лента; планиране на експериментаradial pneumatic tyre; vibration activity; reinforcement bar on the sidewall; angle of inclinatiPenko Tzvetkov Petkov BIBLIOGRAPHY [1] Buhin B. L. Vvedenie v mehaniku pnevmaticheskih shin. M., Himiya, 1988. 223 s. ( [1] Бухин Б. Л. Введение в механику пневматических шин. М., Химия, 1988. 223 с. ) [2] Vylchev K. E., G. A. Terziyski i dr. Vliyanie konstruktsii pnevmaticheskih shin na ih vibratsionnoe povedenie. Mezhdunarodnaya konferentsiya po kauchuku i rezine. Moskva, 1984. 6 c. ( [2] Вылчев К. Е., Г. А. Терзийски и др. Влияние конструкции пневматических шин на их вибрационное поведение. Международная конференция по каучуку и резине. Москва, 1984. 6 c. ) [3] Issledovanie vibratsionnyh harakteristik sistemy ”shina – podveska” s tselyu povysheniya komfortabelnosti legkovyh avtomobiley vyshego klassa ”ZIL”. Tehnicheski otchet po Dogovor №38 – 70/1116 – 22. Moskva – Sofiya, 1988. 271 s. ( [3] Исследование вибрационных характеристик системы ”шина – подвеска” с целью повышения комфортабельности легковых автомобилей вышего класса ”ЗИЛ”. Технически отчет по Договор №38 – 70/1116 – 22. Москва – София, 1988. 271 с. ) [4] Lukomskaya A. I. Mehanicheskie svoystva rezinokordnyh sistem. M., Himiya, 1981. 278 s. ( [4] Лукомская А. И. Механические свойства резинокордных систем. М., Химия, 1981. 278 с. ) [5] Petkov P. Ts., L. P. Kunchev. Konstruktivni osobenosti na radialna pnevmatichna guma za leki avtomobili s podobreni vibratsionni svoystva. Sbornik dokladi, HІ nauchna konferentsiya s mezhdunarodno uchastie TEMRT 2001, VTU „Todor Kableshkov”, 15 – 16 noemvri, 2001. s. 201 – 207. ( [5] Петков П. Ц., Л. П. Кунчев. Конструктивни особености на радиална пневматична гума за леки автомобили с подобрени вибрационни свойства. Сборник доклади, ХІ научна конференция с международно участие ТЕМРТ 2001, ВТУ „Тодор Каблешков”, 15 – 16 ноември, 2001. с. 201 – 207. ) [6] Terziyski G. A. Vibratsii na pnevmatichni gumi za leki avtomobili pri raznopo-sochni smushteniya (avtoreferat na disertatsiya za poluchavane na nauchnata stepen kandidat na tehnicheskite nauki). S., TU, 1992. 36 s. ( [6] Терзийски Г. А. Вибрации на пневматични гуми за леки автомобили при разнопо-сочни смущения (автореферат на дисертация за получаване на научната степен кандидат на техническите науки). С., ТУ, 1992. 36 с. ) [7] Clark S. K. Mechanics of pneumatic tires. National Bureau of Standarts. Washington, D. C., 1981. 931 p. [8] Guan Y., G. Cheng, G. Zhao and H. Zhang. Investigation of the vibration characteristics of radial tires using experimental and numerical techniques. Journal of Reinforced Plastics and Composites, 30 (24), © The Author(s), 2011. pp. 2035 - 2050. [9] Jahn W., H. Vahle. Die Faktoranalyse und ihre Anwendung. Verlag Die Wirtschaft,Berlin, 1970. 204 s. [10] Lopez A., F. Marzal and J. L. Olazagoitia. A Simple and Accurate Polynomial Tyre Model. Proceedings of the 4-th International Tyre Colloquium Tyre Models for Vehicle Dynamics Analysis, 20 – 21 April 2015/University of Surreg, Guidford, United Kingdom. pp. 208 – 217. 11] The Pneumatic Tire. U. S. Department of Transport, National Highway Traffic Safeti Administration DOT HS 810561, February, 2006. 699 p. [12] Zegelaar P. W. A. The Dynamic Response of Tyres to Brake Torque Vibrations and Road unevennesses. Delft University of Technology, 1998. 316 p. |