Abstract
Abstract The harsh climate of the Arctic has always posed significant challenges to car drivers. The severe loss in traction due to snow and icing on the roads has led to an increased risk of collisions. The chapter compares the conventional air-filled tire with a nonpneumatic tire to improve the grip in the Arctic conditions. The grip obtained for tires is determined by the weight of the car and the friction between the tire and the road. The friction coefficient, used to determine friction, is a function of the contact pressure. This chapter discusses research work to obtain a concentrated pressure profile for the airless tire, compared to a conventional tire. A finite element analysis using ANSYS® Workbench is performed on two distinct models. The different pressure profiles of the models are analyzed, and the results proved the nonpneumatic tires have a more concentrated pressure profile with higher-pressure values.
Highlights
The Cold climatic conditions of the Arctic severely affects many areas of life
This work involves a Finite Element Analysis (FEA) [25][26], CAD models were developed in Inventor®, FEM analysis model was developed in ANSYS® Workbench
This study confirmed that Finite Element Analysis is a valid approach to analyze the pressure profile of two kinds of tires, and to draw a comparison based on their performance in cold climatic conditions
Summary
The Cold climatic conditions of the Arctic severely affects many areas of life. Cold conditions make driving significantly harder and more unpredictable. The first winter tires used for road cars were applied during the mid-1930. The difference to these tires compared to the summer tires were the enlargement of the grooves. Deeper lateral groves gave better traction as it allowed the tread blocks to dig deeper into the snow-covered roads. In 1961 the first tires with metal studs were introduced [6]. The studs help the tire gaining a grip on hard-packed snow and ice as the studs’ claws into the ice and increases friction. The focus during the last 50 years has been on improving traction by optimizing rubber compositions and treading
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