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Transactions: WSEAS TRANSACTIONS ON APPLIED AND THEORETICAL MECHANICS
Transactions ID Number: 32-593
Full Name: Mohammad Hadi Sayyadnejad
Position: Engineer
Age: ON
Sex: Male
Address: Civil Aviation Organization of the Islamic Republic of Iran, Postal code:13445
Country: IRAN
Tel: 00989125314306
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E-mail address: mh_sayyadnezhad@yahoo.com
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Title of the Paper: Failure analysis of a second stage blade in a gas turbine engine and comparison with experimental results
Authors as they appear in the Paper: A. Asadelahi Ghahie , M. H. Sayyadnejad
Email addresses of all the authors: mh_sayyadnezhad@yahoo.com
Number of paper pages: 14
Abstract: In this research, modal analysis of a second stage blade in a gas turbine was investigated by experimental and analytical examinations and results were compared together. The blade was made of a nickel-base alloy Nimonic115. The analytical calculation by using finite element method was utilized to determine natural frequencies of turbine blade in various conditions. The dynamic characteristics of the turbine blade were evaluated by the finite element modal and harmonic analysis. Finally by using a Campbell diagram there was a good agreement between the experimental and FEM results.
Keywords: Super alloy, Natural Frequency, Resonant Frequency, Nimonic115, Finite element
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