Journal of applied mathematics & informatics

The Korean Society for Computational and Applied Mathematics (한국전산응용수학회)
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EFFECTS OF ANGULAR VELOCITY AND BOUNDARY TEMPERATURE TO THERMO-ELASTIC CHARACTERISTICS ON HOMOGENEOUS CIRCULAR DISKS SUBJECTING TO CONTACT FORCES

  • GO, JAEGWI (Department of Mathematics, Changwon National University)
  • Received : 2020.09.14
  • Accepted : 2020.11.03
  • Published : 2021.01.30
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Abstract

A homogeneous circular disk undergoing a contact force is considered to investigate the thermo-elastic characteristics, and the inquiry is based on the variations of outer surface temperature and angular velocity. The intensity of stresses grows with the increase of outer surface temperature, and the circumferential strain reacts more sensitively to the change of outer surface temperature than the radial strain. In general, higher angular velocity produces; (i) larger expansion in the radial direction, (ii) smaller displacement in the circumferential, (iii) diminished intensity in the stresses. It is demonstrated that outer surface temperature and angular velocity are critical factors in the determination of thermo-elastic characteristics of homogeneous circular disks subjecting to a contact force. The results obtained can be applied on the design of a homogeneous circular cutter to promote proper and reliable thermos-elastic characteristics in service by the proper operation of these parameters.

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References

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