Numerical investigation on the damage of whirling engine blades subjected to bird strike impact

Shahimi, Sharis-Shazzali and Abdullah, Nur Azam and Hrairi, Meftah and Ahmad, Meor iqram Meor (2021) Numerical investigation on the damage of whirling engine blades subjected to bird strike impact. Journal of Aeronautics, Astronautics and Aviation, 53 (2). pp. 193-199. ISSN 1990-7710

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Abstract

This research renders a numerical investigation of whirling engine blades subjected to bird strike impact. The numerical modelling of the bird strike investigation was conducted employing SPH. The bird model was established as a gelatine material and is the geometry of the bird was anticipated. As most bird strikes transpire during take-off and landing, the bird was modelled with a set velocity of 120m/s and is impacted on the engine blades, where the damage of the blades is then assessed. The engine blades were modelled as a tetrahedron mesh for accuracy in LS-DYNA software and are rotating at 200 rad/s counter-clockwise. The engine blade material is modelled with Johnson-Cook failure constants. The results are manifested as effective stresses, which shows the structural damage of the engine blades struck by the bird, which induces deflection that significantly damages the blades. Further assessments of bird velocity and engine blade rotation variations are also presented.

Item Type:	Article (Journal)
Additional Information:	8760/88319
Uncontrolled Keywords:	Bird strike, impact, Whirling engine blades, SPH, Structural damage
Subjects:	T Technology > TJ Mechanical engineering and machinery > TJ163.13 Power resources T Technology > TJ Mechanical engineering and machinery > TJ170 Mechanics applied to machinery. Dynamics T Technology > TJ Mechanical engineering and machinery > TJ181 Mechanical movements T Technology > TJ Mechanical engineering and machinery > TJ241 Machine construction (General) T Technology > TJ Mechanical engineering and machinery > TJ266 Turbines. Turbomachines (General) T Technology > TJ Mechanical engineering and machinery > TJ751 Miscellaneous motors and engines. Including gas, gasoline, diesel T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL500 Aeronautics
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Engineering Kulliyyah of Engineering > Department of Mechanical Engineering
Depositing User:	Dr. Nur Azam Abdullah
Date Deposited:	11 Feb 2021 14:38
Last Modified:	23 Jul 2021 10:08
URI:	http://irep.iium.edu.my/id/eprint/88319

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