Car Tire Leak: Does Motion Affect Air Loss?

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    Air Tire
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Discussion Overview

The discussion revolves around the question of whether a car tire with a leak loses air more rapidly when the vehicle is stationary compared to when it is in motion. Various conditions are considered, including driving straight, on inclines or declines, during turns, and other scenarios that may influence air loss.

Discussion Character

  • Exploratory, Debate/contested, Technical explanation

Main Points Raised

  • One participant suggests that the rate of air leakage is influenced by pressure and the size of the hole, with temperature being a significant factor as tires heat up when moving.
  • Another participant proposes that the size of the hole might change due to road conditions or tire deformation, which could affect air loss.
  • A different viewpoint is introduced, suggesting that the hole might seal during driving due to rotational forces and the stiffening of the tire at higher speeds.
  • A follow-up question is raised regarding the mechanism behind the tire stiffening at higher rotations.

Areas of Agreement / Disagreement

Participants present multiple competing views regarding the effects of motion on air loss from a tire leak, and the discussion remains unresolved with no consensus reached.

Contextual Notes

The discussion does not clarify the assumptions regarding the nature of the leak, the specific conditions of the road, or the definitions of tire stiffness and deformation.

quasi426
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If a car tire (front right) is has a leak that is located on its side (not the road-tire interface) will the car leak more air if it is stationary or when it is rolling.

(1) going straight on level ground or as level as possible

(2) inclines/declines

(3) turns

(4) any other condition you can think of
 
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The two major factors influencing the rate of air leakage are pressure and size of the hole. The most important factor for pressure would be the temperature - tire heats up when moving. The size of the hole could be affected by bumps in the road or possibly steering, in either case tire deformation.
 
To play devil's advocate, you could possibly run into the opposite.The hole could possibly seal up during driving due to rotational forces and the slight stiffening of the tire at higher speeds. Just a thought.
 
Why would the tire stiffen at higher rotations?
 

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