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Journal of Failure Analysis and Prevention

, Volume 19, Issue 2, pp 504–510 | Cite as

Analysis of Low-Pressure Turbine Nozzle Guide Vane Failure in an Aero Gas Turbine Engine: A Computational Approach

  • D. Arul Kumaresan
  • R. K. MishraEmail author
Technical Article---Peer-Reviewed
  • 33 Downloads

Abstract

Failure of low-pressure turbine nozzle guide vane (NGV) in an aero gas turbine engine is analyzed using computational approach. Breakage in the cooling system of the nozzle guide vane reducing the cooling effectiveness is found to be the main cause of NGV failure. Microstructure analysis also shows severe oxidation due to high temperature experienced in service leading to erosion of the NGV.

Keywords

Failure analysis Cracks Forensic analysis Corrosion Oxidation 

Notes

Acknowledgments

The authors are very grateful to the Chief Executive (airworthiness), CEMILAC, for his kind permission for publishing this paper.

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Copyright information

© ASM International 2019

Authors and Affiliations

  1. 1.Regional Centre for Military Airworthiness (Engines), CEMILACBangaloreIndia

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