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Normalized Stress Intensity Factor Solution of an Inner-Surface Circumferential Crack in Thin- to Thick-Walled Cylinder Under Thermal Striping

[+] Author Affiliations
Toshiyuki Meshii

Fukui University, Fukui, Fukui, Japan

Katsuhiko Watanabe

University of Tokyo, Tokyo, Japan

Paper No. PVP2003-1988, pp. 45-50; 6 pages
doi:10.1115/PVP2003-1988
From:
  • ASME 2003 Pressure Vessels and Piping Conference
  • Fatigue, Fracture, and Damage Analysis
  • Cleveland, Ohio, USA, July 20–24, 2003
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4152-9
  • Copyright © 2003 by ASME

abstract

In this paper we considered the normalized stress intensity factor (SIF) of an inner-surface circumferential crack in a thin- to thick-walled finite-length cylinder under thermal striping. The edges of the cylinder were rotation-restrained and the outer surface was adiabatically insulated. Inner surface of the cylinder was heated by a fluid with sinusoidal temperature fluctuation. We combined an analytical temperature solution for the problem and our SIF evaluation method for the crack, and as a result, showed that the transient SIF solution can be expressed in a generalized form by dimensionless parameters such as mean radius to wall thickness ratio, Biot number, normalized striping frequency and Fourier number. Finally, normalized SIF ranges for the 1st cycle and steady state were given for these dimensionless parameters in tables for mean radius to wall thickness ratio of 10, 5 and 1.

Copyright © 2003 by ASME

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