Abstract
Abstract: A Turbine wheel (rotor) plays a significant role in gas turbine. The rotor on which the blades are mounted transmitting this motion holds a key point to better efficiency of gas turbine. Thus, more focus should be given to the design of the turbine rotor. Gas-turbine discs are normally operated at high temperatures. The hot gases contact the blades and the rim of the turbine rotor and thus maintain the rim at high temperature. The temperature gradient at rim and central portion of rotor causes the sources for thermal stresses. The disc is expected to perform well despite all the stringent operating conditions. The Advancement in gas turbine materials has been always a major concern—higher their capability to with stand elevated temperature service, produce lower stresses, light weight and more the engine efficiency. In this thesis, an attempt is made to determine the stresses like Thermal, Structural, Radial, and other stresses with different materials.
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