Modeling and Cfd Analysis of Three Different Naca 2412, Naca 4412, and Naca 8412 Series Gas Turbine BLADES

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Rakshak Ganjoo, Gagandeep Singh Mavi


A turbine blade is the individual component which makes up the turbine section of a gas turbine or steam turbine. The blades are responsible for extracting energy from the high temperature, high pressure gas produced by the combustor. The turbine blades are often the limiting component of gas turbines. To survive in this difficult environment, turbine blades often use exotic materials like super alloys and many different methods of cooling that can be categorized as internal and external cooling, and thermal barrier coatings. Blade fatigue is a major source of failure in steam turbines and gas turbines. Fatigue is caused by the stress induced by vibration and resonance within the operating range of machinery. In this thesis 3 NACA series (NACA 2412, NACA 4412, and NACA 8412) blades are to be designed by using cad tool-solid works and thermal and CFD are analyzed with the help of CAE tool- Ansys workbench in both static and flow boundary conditions for materials steel, and Ti-15mo to be analyzed, and results like deformation, stress, safety factor, velocity and pressure distribution and coefficient of lift and coefficient of drag on each model are to be calculated. According to previous base and research papers it is clear that most of the companies were using gas turbine blades with NACA four series blades only, but due to company protocol and rules regulations we are not aware of which Naca series blade is optimum for real time boundary conditions. Finally optimum NACA blade series and best material among three are concluded with required graphs and tables and limitations

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