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|Title:||Development of New Analytical Solutions for Elastic Thermal Stress Components in a Hollow Cylinder Under Sinusoidal Transient Thermal Loading|
|Authors:||RADU Vasile; TAYLOR NIGEL; PAFFUMI Elena|
|Citation:||INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING vol. 85 no. 12 p. 885-893|
|Publisher:||ELSEVIER SCI LTD|
|Type:||Articles in periodicals and books|
|Abstract:||For the analysis of high-cycle thermal fatigue due to striping (such as has been observed due to turbulence at mixing tees of class 1¿2¿3 piping of nuclear power reactors) it can be necessary to consider the time-dependent temperature gradient within the pipe wall thickness rather than just at the surface. To address this, a set of analytical solutions with several new features has been developed for the temperature field and the associated elastic thermal stress distributions for a hollow circular cylinder subjected to sinusoidal transient thermal loading at the inner surface. The approach uses a finite Hankel transform and some properties of Bessel functions. The analytical predictions have been successfully benchmarked by comparison with results from finite element analysis, and also with some results of independent studies.|
|JRC Directorate:||Energy, Transport and Climate|
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