Elastic analysis of the rotating FGM spool drum of the axial compressor in aero gas turbine engine

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YOUSEFI SHAHRAM; SHAHRIARI BEHROOZ; Sadeghinezhad Mohammad Soheil

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Journal: AEROSPACE KNOWLEDGE AND TECHNOLOGY JOURNAL Year:2020 | Volume:8 | Issue:2 Page(s): 55-66

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Title

Elastic analysis of the rotating FGM spool drum of the axial compressor in aero gas turbine engine

Author(s)

YOUSEFI SHAHRAM | SHAHRIARI BEHROOZ | Sadeghinezhad Mohammad Soheil | Issue Writer Certificate

Keywords

Aero gas turbine engineQ1

Axial compressorQ2

rotating spool drumQ1

FGMQ3

Elastic analysisQ1

Abstract

In this paper, an exact analysis of a Axial compressor’ s spool of a gas turbine engine has been presented to calculate stresses, strains and displacements. Spool analysis is investigated for both homogeneous and functionally graded material (FGM) states and spool is subjected to centrifugal force and uniform radial loadings at internal and external surfaces. In FGM state, materal properties including Young's modulus and density considered variable along the radius direction. Because the Poisson’ s ratio variation ranges are insignificant, it considered constant for all states. Stresses, strains and displacements for both homogeneous and FGM with different non-homogeneous coefficients has been calculated. The results shown that using FGM material with suitable non-Homogeneous coefficient can lead to significant improvement in spool’ s safety factor and reduction of displacements, strains and stresses in comparison with homogeneous state. On the other hand, using inappropriate FGM coefficients can lead to safety factor reduction and even structure failure. For particular investigated spool, calculated stresses in FGM with negative coefficients are less than homogeneous state and can cause failure in spool, while improvement in safety factor and displacements reduction observed using FGM with positive coefficients in comparison with homogeneous state.

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APA: Copy

YOUSEFI, SHAHRAM, SHAHRIARI, BEHROOZ, & Sadeghinezhad, Mohammad Soheil. (2020). Elastic analysis of the rotating FGM spool drum of the axial compressor in aero gas turbine engine. AEROSPACE KNOWLEDGE AND TECHNOLOGY JOURNAL, 8(2 ), 55-66. SID. https://sid.ir/paper/264160/en

Vancouver: Copy

YOUSEFI SHAHRAM, SHAHRIARI BEHROOZ, Sadeghinezhad Mohammad Soheil. Elastic analysis of the rotating FGM spool drum of the axial compressor in aero gas turbine engine. AEROSPACE KNOWLEDGE AND TECHNOLOGY JOURNAL[Internet]. 2020;8(2 ):55-66. Available from: https://sid.ir/paper/264160/en

IEEE: Copy

SHAHRAM YOUSEFI, BEHROOZ SHAHRIARI, and Mohammad Soheil Sadeghinezhad, “Elastic analysis of the rotating FGM spool drum of the axial compressor in aero gas turbine engine,” AEROSPACE KNOWLEDGE AND TECHNOLOGY JOURNAL, vol. 8, no. 2 , pp. 55–66, 2020, [Online]. Available: https://sid.ir/paper/264160/en

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