Dynamics of Tire Pressure Assignment
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Added on 2020-03-23
Dynamics of Tire Pressure Assignment
Added on 2020-03-23
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DYNAMICS OF TIRE PRESSURE.SUBMITTED BY:CLASS (COURSE) NAME:TUTOR (PROFESSOR):SCHOOL NAME:THE CITY/STATE:DATE:
Abstract Every vehicle has wheels in which most of them are made up pneumatic tires. Car wheels were made many years ago with the enhancements and inventions of the pneumatic tires for conceiving comfortable and fast road vehicles[ CITATION Bas04 \l 1033 ]. The primary features of a given tire are its small mass and flexibility, allowing the contact with the tire path to be sustained on uneven or even surfaces. Furthermore, the rubber ensures high grip[ CITATION Gui14 \l 1033 ]. The features mentioned above arises from the highly composite structures of tires: flexibility of carcass, yet relatively inextensiblecords encased in a matrix of flimsy rubbers inflated with air[ CITATION Gui14 \l 1033 ]. Provided that the tire is inflated properly, it may exchange along the bead appropriate actions with the rim. The load support, steering, braking, and traction the net result.Also, the effect of air pressure increases the structural stiffness of the tire, but not directly to support the rim[ CITATION Cri15 \l 1033 ]. This report aims to investigate the pressure exerted by the tires of a car on the road and the pressure of the air in the tires, then comparing it with measured value using the pressure gauge.
Table of ContentsxAbstract............................................................................................................................................21.Introduction..............................................................................................................................42.Experimental Investigation.......................................................................................................52.1.Requirements:...................................................................................................................52.2.Procedure..........................................................................................................................53.Results......................................................................................................................................54.Analysis and interpretation.......................................................................................................75.Discussion and conclusions......................................................................................................86.References................................................................................................................................9
1.Introduction.If the car tire is inflated properly, figure 1.0 shows how given tire carries its mass. As shown in the figure, the lower parts, the sidewall, and air pressure Pa applies vertical forces Fa in the bead area more than in the upper parts. Taking the overall effects on the rim is a vertical load Fz. If the air pressure, pa is increased, the sidewall bending is reduced[ CITATION Bas04 \l 1033 ]. The pressure of the tire on the road depends on many factors, among them are the mass of the vehicle (that is the forces applied to the tire), tire characteristics such as the footprint (also called contact patch)[ CITATION Gui14 \l 1033 ][ CITATION Cri15 \l 1033 ]. The contact patch is the area of the tread in contact with the road surface. It is the area thattransmits forces between the tires and the road through friction and pressure[ CITATION Gui14 \l 1033 ]. Other factors affecting road vehicle is the mechanical operation of the wheels, grip, and road roughness effects. The mechanical behavior of the wheels is the relationships between the force exerted by the road and the kinematics of the rigid rim.Figure 1.0: How a tire carries a vertical load[ CITATION Bas04 \l 1033 ]Grip is the contacts between two surfaces which are the road surface and the tire surface. Gripdepends on the types of road surface[ CITATION Woo13 \l 1033 ][ CITATION Cri15 \l 1033 ], roughness of the contact, wetness and many other effects. Specifically, grip is defined by the
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