Failure Analysis of a Gas Turbine Compressor in a Thermal Power Plant

• Published in: Journal of failure analysis and prevention Vol. 13; no. 3; pp. 313 - 319
• Main Authors: EHSAN MASOUMI KHALIL ABAD, FARRAHI, G. H, MAHDI MASOUMI KHALIL ABAD, AMIR AHMAD ZARE, PARSA, Siavash
• Format: Journal Article
• Language: English
• Published: Materials Park, OH ASM International 01.06.2013; Springer Nature B.V
• Subjects: Applied sciences; Compressors; Continuous cycle engines: steam and gas turbines, jet engines; Disks; Engines and turbines; Exact sciences and technology; Failure analysis; Fracture mechanics; Gas turbines; Mechanical engineering. Machine design; Resonant frequency; Rotors; Turbines; Finite element method; Modal analysis; Surge; Compressor; Gas turbine; Fractography; Modeling; Fracture mode; Fatigue crack; FEM

This study presents the results of failure analysis of a 28 MW gas turbine at the Rei electrical power plant. The gas turbine failed during the shutdown period and near its second natural frequency at 4200 rpm. Initial inspections revealed that the compressor disk of stage 15 was fractured, and all...