Using ANSYS Fluent, this work replicates the cooling process of a turbine blade. Using the symmetrical design of the turbine body and blades, only one blade is modelled to investigate temperature distribution and thermal energy variations on the turbine blade.
Cool airflow through an empty space within the blade's inner walls, with perforations to maximise contact with the cold flow and improve the cooling effect, is the method of cooling.
CATIA builds the 3D model; Design Modeller gets it for more modelling. Using ANSYS Meshing, an unstructured mesh of 10,154,723 components is created.
Both the inner and outer sides of the blade have heat transfer boundary conditions applied to them. The exterior surface exposed to hot working airflow has a temperature of 1672 K and a heat transfer coefficient of 200 W/m². Under a flow of 300 K, the inner surface, chilled by cold airflow, likewise exhibits a heat transfer coefficient of 200 W/m².
The simulation produces 2D and 3D temperature contours for the area between the outer and inner walls of the blade. It also offers heat transfer coefficients for the blade base and these surfaces. 2D contours in the XZ section are also visualised at many distances (0.004, 0.016, 0.028, and 0.04 meters) from the blade base top surface, as well as in the XY section at varying distances.
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