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M.Tech / M.E / PhD Thesis | Mechanical Engineering | India | Volume 3 Issue 3, March 2014
Stress Analysis of Gas Turbine Multi Stage Rotor Assembly
Ch.V Prudhvi Raj | K. Arun Kumar
Abstract: Gas turbines are essential in generation of power in the field of aviation etc. ; proper design of all the elements of the gas turbine will play a pivotal role in providing an efficient and ergonomic gas turbine. Gas turbine rotor is one of the key elements of gas turbine. Hence analysis of gas turbine rotor is essential. Gas turbine rotor assembly is mainly subjected to centrifugal stresses with high temperature gradients. If these stresses are beyond the threshold limit of the strength of the material of the gas turbine rotor, rotor failure will occur. In the present work, the gas turbine rotor assembly is analyzed for thermal loads, centrifugal forces and natural frequency due to the mass of the rotor assembly. The gas turbine rotor will be analyzed as a segment of the design and modeling of gas turbine. In this work structural and thermal characteristics in gas turbine rotor assembly due to various operating conditions will be analyzed by varying the suitable materials, analysis using FEA software ANSYS workbench-14.5 and results are presented. From the results presented, one can say that the structural and thermal characteristics of the rotor will be reduced to eliminate the use of high level materials.
Keywords: gas turbine, Structural, Modal and Thermal Analysis, Finite Element Analysis
Edition: Volume 3 Issue 3, March 2014,
Pages: 441 - 445
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