Abstract
In this paper we analyze the stress intensity factor (SIF) of an inner-surface circumferential crack in a 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 Rm/W, Biot number B, normalized striping frequency Ω and Fourier number Fo. Finally, normalized SIF ranges for the 1 st cycle and steady state were given for these dimensionless parameters in tables.
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