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Master Thesis

Le phénomène d'érosion de surface sur avion

Abstract : External conditions, such as sand, hail or water droplets, can lead to a decrease of the mechanical performances of the materials. One of the involved phenomena is the erosion, which is characterized by a progressive loss of material due to the interaction between surface and solid or liquid particles. To evaluate this phenomenon, a first approach by prediction with a semi-empirical model was adopted. This approach associates lab test results with a numerical simulation. The bidimensional ice accretion suite ONICE2D, developed by ONERA, has been used to simulate the particle impacts and to evaluate the normal and tangential velocities (Un/Ut) as well as the impact angle θ, significant parameters of erosion. These calculations enabled the modelling of the erosion rate around an airfoil (A320 horizontal tail plane). However, this study highlighted some lack in the available experimental database (erosion rate as a function of the type of particle, velocity, impact angle,...) used to build the semi-empirical model. Complementary lab tests are necessary to better characterize erosion rate for the different materials used on aircraft and to build a predictive model to be used in Design phase.
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Submitted on : Thursday, January 22, 2015 - 7:40:26 PM
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  • HAL Id : dumas-01108517, version 1

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Florent Audoin. Le phénomène d'érosion de surface sur avion. Génie mécanique [physics.class-ph]. 2011. ⟨dumas-01108517⟩

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