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Temperature and thermal stress distributions in a hollow circular cylinder composed of anisotropic and isotropic materials

  • Received : 2019.06.23
  • Accepted : 2020.02.29
  • Published : 2020.03.25

Abstract

In this article, an analytical solution is presented for the steady-state axisymmetric thermal stress distributions in a composite hollow cylinder. The cylinder is composed of two isotropic and anisotropic materials which is subjected to the thermal boundary conditions of convective as well as radiative heating and cooling on the inner and outer surfaces, respectively. The solution of the temperature is obtained by means of Bessel functions and the thermal stresses are developed using Potential functions of displacement. Numerical results are derived for a cylinder which is similar to a gas turbine combustor and showed that the maximum temperature and thermal stresses (radial, hoop, axial) occurred in the middle point of cylinder and the values of thermal stresses in anisotropic cylinder are more than the isotropic cylinder. It is worthy to note that the values of the thermal conditions which estimated in this research, not to be presented in any other papers but these values are very accurate in calculation.

Keywords

Acknowledgement

Supported by : University of Kashan

The authors would like to thank the referees for their valuable comments. Also, they are thankful to thank the University of Kashan for supporting this work by Grant No. 682561/5.

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