FAILURE ANALYSIS OF GAS TURBINE BLADE USING FINITE ELEMENT ANALYSIS

Published: 8 March 2017| Version 2 | DOI: 10.17632/vdbg96cf8j.2
Contributor:
Barhm Mohamad

Description

This paper presents the failure analysis of the turbine blade of a gas turbine engine 9E GE type, installed in a certain type of simple systems consisting of the gas turbine driving an electrical power generator. A non-linear finite element method was utilized to determine the stress state of the blade segment under operating conditions. High stress zones were found at the region of the lower fir-tree slot, where the failure occurred. A computation was also performed with excessive rotational speed. Attention of this study is devoted to the mechanisms of damage of the turbine blade and also the critical high stress areas.

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