Structural and Thermal Analysis of Gas Turbine Blade with Different Alloy Materials

Abstract

In present days’ efficiency plays a vital role in power generating applications like thermal industries, especially in marine applications. Actually the stage one turbine buckets tends to many failures like cracks due to heavy thermal stresses. So the main objective is to reduce these stresses and to improve the ability of turbine blade material by selecting alloy materials. In this work, structural and thermal analysis is carried out for the gas turbine blade, which is used in aero plane and marine application for power generation and propelling. The alloy materials studied in present work for gas turbine blades are titanium alloy, super alloy and Mnemonic alloy etc.

 The modeling is done in CATIAV5R20 and analysis is done using FEM ANSYS 16.0 software. The deformation occurring in three directions and the total deformation is analyzed in structural analysis. In case of thermal analysis, the temperature distribution and heat fluxes are studied

 As per thermal and structural analysis using ANSYS simulation, Titanium alloy is having high thermal stress, Super alloy is having medium thermal stress and Mnemonic alloy is having least thermal stresses. Mnemonic alloy is seen to have less thermal stresses and good structural strength. Hence the Mnemonic alloy is best suited for turbine blade design applications in a conventional manner to increase the power generation in marine applications.