Transient thermal stresses in pipe wall due to coolant turbulent flow
through pipe are investigated in this study with transient isothermal hot boundary
in the external pipe radius. Three Different values of Reynolds are tested (3000,
5000 and 8000). Finite volume method was used to calculate the velocities and
temperatures fields in the working fluid (air). Thermal resistance method was used
to calculate the transient temperature distribution in the pipe wall and then the
transient thermal stresses were calculated. Minimum thermal stress was located
nearly in the mid plane of the pipe.