Fatigue analysis for the first row of blades of a micro turbine under full loading cycle using transient modal analysis

Soleimani, A.; Shahraki, S.; Banihashemi, S.; Bisadi, H.

Growing Science » Engineering Solid Mechanics » Fatigue analysis for the first row of blades of a micro turbine under full loading cycle using transient modal analysis

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Engineering Solid Mechanics

ISSN 2291-8752 (Online) - ISSN 2291-8744 (Print) Quarterly Publication Volume 3 Issue 3 pp. 145-156 , 2015

Fatigue analysis for the first row of blades of a micro turbine under full loading cycle using transient modal analysis Pages 145-156 Download PDF

Authors: Ali Soleimani, Saeid Shahraki, Seyed Hamed Banihashemi, Hosein Bisadi

DOI: 10.5267/j.esm.2015.5.004

Keywords: First row of blades, Full loading cycle, Micro turbine

Abstract: In advanced modern turbines, the temperature of the turbine & apos; s first blade row which is called the turbine & apos; s hot part, increases almost as 1000?. These blades must operate for long periods of time. Since, the main failure reason of the parts operating under high temperature and cyclic loading conditions is fatigue as well as creeping phenomena, acquiring an accurate estimate of these blades & apos; lifetime under creeping and fatigue interactions is very necessary for theoretical and practical requirements. The fatigue of the first blade row of the micro turbine TRI60 is analyzed in this study. For the purpose of estimating the fatigue lifetime of turbine and motor, heat transfer of blades as well as thermal stress is analyzed at first via ABAQUS software. Consequently, a fatigue analysis under full cycle and within the interval of 2/3 v_max to v_max is performed using Smith-Watson-Taper algorithm and transient modal analysis via Fe-safe software.

How to cite this paper

 Soleimani, A., Shahraki, S., Banihashemi, S & Bisadi, H. (2015). Fatigue analysis for the first row of blades of a micro turbine under full loading cycle using transient modal analysis.Engineering Solid Mechanics, 3(3), 145-156.

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