Deformation Comparison Between Bias and Radial Aircraft Tires Using Optical Techniques

Paper #:
  • 951433

Published:
  • 1995-05-01
Citation:
Lin, P., Chawla, M., and Wagner, P., "Deformation Comparison Between Bias and Radial Aircraft Tires Using Optical Techniques," SAE Technical Paper 951433, 1995, https://doi.org/10.4271/951433.
Pages:
15
Abstract:
Although radial tires have been used in automobiles, they are still in the stage of testing for a possible future use in aircraft. An important consideration is the tire's average life when subjected to various loading conditions. Along with this consideration, tire deformation is one of the concerns. This paper presents a study of deformation comparison between F16 bias and radial aircraft tires subjected to loading conditions against flat plate and flywheel with different percentages of tire deflection and different yaw angles. Optical fringe projection technique is used to determine the three dimensional tire deformation. Like any other similar optical technique, the deformed surface is measured relative to the selected reference point. Therefore, in order to find the absolute geometry of the deformed tire surface, a close-range fiber optic displacement sensor was installed to accurately detect the point's height change in a direction parallel to the wheel axle. The experimental results indicate that with the measuring system and the proposed technique, the tire deformation can be quantified and the three dimensional geometry of a deformed tire can be reconstructed.
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