STRESS ANALYSIS DUE TO FOD ON THE BLADE OF GAS TURBINE MADE OF NICKEL BASED SUPER ALLOY

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MARANDI S.M.; TAJDARI M.; RAHMANI KH.

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Journal: Year:2009 | Volume:43 | Issue:4 (123 SPECIAL ISSUE ON: MECHANINCAL ENGINEERING) Page(s): 547-554

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Information Journal Paper

Title

STRESS ANALYSIS DUE TO FOD ON THE BLADE OF GAS TURBINE MADE OF NICKEL BASED SUPER ALLOY

Author(s)

MARANDI S.M. | TAJDARI M. | RAHMANI KH. | Issue Writer Certificate

Keywords

FOREIGN OBJECT DAMAGEQ3

STRESS CONCENTRATION FACTORQ4

RESIDUAL STRESSQ3

EXPERIMENTAL STRESS ANALYSISQ3

Abstract

FOREIGN OBJECT DAMAGE (FOD) occurs when hard, millimeter-sized objects such as gravel or sand and even the pieces of the engine components are ingested into aircraft jet engines. Particles impacting blades produce small indentation craters which can become sites for fatigue crack initiation, severely limiting the lifetime of the blade. In this study, the impact on the edge of a thin plate is investigated by using the finite element method. Then RESIDUAL STRESSes are compared between the quasi-static indentation and fully dynamic impact for three critical locations where the residual hoop stresses are tensile. At the end, EXPERIMENTAL STRESS ANALYSIS is performed for investigating the STRESS CONCENTRATION FACTOR at the crater base and comparing with data from the finite element method. The comparison shows that the finite element method result agrees well with experimental data at the crater base.

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APA: Copy

MARANDI, S.M., TAJDARI, M., & RAHMANI, KH.. (2009). STRESS ANALYSIS DUE TO FOD ON THE BLADE OF GAS TURBINE MADE OF NICKEL BASED SUPER ALLOY. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), 43(4 (123 SPECIAL ISSUE ON: MECHANINCAL ENGINEERING)), 547-554. SID. https://sid.ir/paper/14193/en

Vancouver: Copy

MARANDI S.M., TAJDARI M., RAHMANI KH.. STRESS ANALYSIS DUE TO FOD ON THE BLADE OF GAS TURBINE MADE OF NICKEL BASED SUPER ALLOY. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)[Internet]. 2009;43(4 (123 SPECIAL ISSUE ON: MECHANINCAL ENGINEERING)):547-554. Available from: https://sid.ir/paper/14193/en

IEEE: Copy

S.M. MARANDI, M. TAJDARI, and KH. RAHMANI, “STRESS ANALYSIS DUE TO FOD ON THE BLADE OF GAS TURBINE MADE OF NICKEL BASED SUPER ALLOY,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), vol. 43, no. 4 (123 SPECIAL ISSUE ON: MECHANINCAL ENGINEERING), pp. 547–554, 2009, [Online]. Available: https://sid.ir/paper/14193/en

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