Finite Element Simulation of Rotor Flame Straightening

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Moghadami A.; Hemmati S. J.

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Journal Paper

Paper Information

Journal: JOURNAL OF MECHANICAL ENGINEERING Year:2019 | Volume:49 | Issue:2 (87) Page(s): 331-335

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Title

Finite Element Simulation of Rotor Flame Straightening

Author(s)

Moghadami A. | Hemmati S. J. | Issue Writer Certificate

Keywords

Rotor flame straightening

Hot spotting

Flame bending

Abstract

One of the defects resulted from working under high temperature and pressure in the rotor of rotary machines is local run out (bending). To remove this bending, flame straightening processcan be used. In this method, by heating the rotor at the maximum bent point, bending is fixed to some extent due to thermal gradient created and local plastic deformation. One of the serious limitations inresearch in this field is expensive and scarce hardware which has limited empirical and theoretical scope of the research. In this study, finite element simulations of the process on sample rotors are examined. In these simulations, heat flux on the heating point of the rotor is assumed as normal Gaussian distribution, while in previous studies, flame’ sheat flux was considered as constant. To verify the results of this study, experimental tests have also been arranged. Simulation results with the assumption of Gaussian flux show more consistency with the experimental results.

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APA: Copy

Moghadami, A., & Hemmati, S. J.. (2019). Finite Element Simulation of Rotor Flame Straightening. JOURNAL OF MECHANICAL ENGINEERING, 49(2 (87) ), 331-335. SID. https://sid.ir/paper/270080/en

Vancouver: Copy

Moghadami A., Hemmati S. J.. Finite Element Simulation of Rotor Flame Straightening. JOURNAL OF MECHANICAL ENGINEERING[Internet]. 2019;49(2 (87) ):331-335. Available from: https://sid.ir/paper/270080/en

IEEE: Copy

A. Moghadami, and S. J. Hemmati, “Finite Element Simulation of Rotor Flame Straightening,” JOURNAL OF MECHANICAL ENGINEERING, vol. 49, no. 2 (87) , pp. 331–335, 2019, [Online]. Available: https://sid.ir/paper/270080/en

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