A FRACTURE-MECHANICS CALCULATION OF CRACK GROWTH RATE FOR A GAS TURBINE BLADE

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MIRZAEI MAJID; KARIMI R.

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Journal Paper

Paper Information

Journal: MODARES TECHNICAL AND ENGINEERING Year:2002 | Volume:- | Issue:6 Page(s): 51-71

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Information Journal Paper

Title

A FRACTURE-MECHANICS CALCULATION OF CRACK GROWTH RATE FOR A GAS TURBINE BLADE

Author(s)

MIRZAEI MAJID | KARIMI R. | Issue Writer Certificate

Keywords

FRACTURE MECHANICS

CRACK GROWTH

GAS TURBINE BLADE

CREEP

FATIGUE

Abstract

The existence of thermo-mechanical stresses, due to the frequent start-ups and shutdowns of gas turbines. combined with high working temperatures may cause CREEP and FATIGUE failure of the blades. This paper describes a fracture-mechanics life assessment of a GAS TURBINE BLADE. Initially, the distributions of thermal and mechanical stresses were obtained by using the finite element method. Accordingly; the crack modeling was performed in a high stress region at the suction side surface of the blade. Several CRACK GROWTH increments were observed and the related crack tip parameters were calculated. Finally; the CREEP-fatigue CRACK GROWTH in each cycle was calculated and the total number of start-stop cycles was determined.

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APA: Copy

MIRZAEI, MAJID, & KARIMI, R.. (2002). A FRACTURE-MECHANICS CALCULATION OF CRACK GROWTH RATE FOR A GAS TURBINE BLADE. MODARES TECHNICAL AND ENGINEERING, -(6), 51-71. SID. https://sid.ir/paper/528665/en

Vancouver: Copy

MIRZAEI MAJID, KARIMI R.. A FRACTURE-MECHANICS CALCULATION OF CRACK GROWTH RATE FOR A GAS TURBINE BLADE. MODARES TECHNICAL AND ENGINEERING[Internet]. 2002;-(6):51-71. Available from: https://sid.ir/paper/528665/en

IEEE: Copy

MAJID MIRZAEI, and R. KARIMI, “A FRACTURE-MECHANICS CALCULATION OF CRACK GROWTH RATE FOR A GAS TURBINE BLADE,” MODARES TECHNICAL AND ENGINEERING, vol. -, no. 6, pp. 51–71, 2002, [Online]. Available: https://sid.ir/paper/528665/en

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