Impulse response model of thermal striping for hollow cylindrical geometries |
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Authors: | IS Jones |
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Institution: | School of Engineering, John Moores University, James Parsons Building, Byrom Street, Liverpool L3 3AF, UK |
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Abstract: | The impulse response method is applied to the analysis of the thermally striped internal surface of a hollow cylinder containing a circumferential crack on this surface. Stress intensity factor and strain energy density factor ranges as functions of crack depth for various sinusoidal striping frequencies are calculated. Good agreement is found with both the frequency response and finite element methods. Results for stress intensity factor fluctuations have been applied to the calculation of maximum allowable temperature striping amplitudes. Solutions for striping on the external surface are also presented. |
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Keywords: | Stress intensity factor Thermal fatigue Thermoelasticity Hollow cylinder Crack |
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