نتایج جستجو برای: tire tread

تعداد نتایج: 5309  

Journal: :Friction 2023

Abstract We study the friction when a rectangular tire tread rubber block is sliding on an ice surface at different temperatures ranging from −38 to −2 °C, and speeds 3 µm/s 1 cm/s. At low we propose that important contribution force due slip between fragments attached surface. above −10 °C or for high enough speeds, thin premelted water film occurs shearing area of real contact small. In this ...

Journal: :Journal of Visualization 2022

An analysis of the water flow generated by a tire rolling over film has been carried out on an experimental level. The present investigation is focused commercial with winter V-shaped complex sculpture. Flow measurements were performed using optical technique derived from standard 2D-PIV, so-called r(refracted)-PIV. Some specific image processing tools have developed in order to take into accou...

Journal: :علوم و تکنولوژی پلیمر 0
مهدی رزاقی کاشانی رسول اسمعیلی نیسیانی

coeffcient of  friction  (cof)  for  rubber parts  is one of  the key parameters in their interaction with solid rough surfaces (micrometer to millimeter scales),  such  as  tire-road  interactions. cof  of  rubber  depends  on  viscoelastic properties of rubber, roughness characteristics of the counter-part surface, and process variables such as contact nominal pressure and sliding speed. due ...

2003
Alan B. Krueger Alexandre Mas Colin Cameron David Card Henry Farber Seth Harris Alain Kornhauser Paul Rosenbaum Chris Sims Jim Sturm

This paper provides a case study of the effect of labor relations on product quality. We consider whether a long, contentious strike and the hiring of replacement workers at Bridgestone/Firestone’s Decatur plant in the mid-1990s contributed to the production of defective tires. Using several independent data sources, and looking before and after the strike and across plants, we find that labor ...

Journal: :علوم و تکنولوژی پلیمر 0
مهدی شیوا حسین آتشی

the blending of nr and br rubber blend with n330 carbon black is studied on curing behavior and the physico-mechanical properties of a sbr rubber based tire tread compound containing n234 carbon black. the effect of sulphur and accelerator contents on different properties of rubber compound is also tested with a wide range of curing agents. partial substitution of sbr with nr shows significant ...

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