Modeling of Ice Growth on the Airfoil Surface in an Air Flow Containing Ice Particles
A. V. Kashevarov1, A. L. Stasenko1,2
1Central Aerohydrodynamic Institute named after N. E. Zhukovskii, Zhukovskii, Russia, 140180
2Moscow Institute of Physics and Technology, Zhukovskii, Russia, 140180
Keywords: обледенение, кристаллы льда, несферические частицы, математическое моделирование, icing, ice crystals, non-spherical particles, mathematical modeling
Abstract
The process of airfoil icing caused by incidence of ice crystals is considered. A physicomathematical model of motion of spheroidal crystals in the gas flow and their interaction with the body is formulated. The model takes into account the non-spherical particle orientation with respect to the velocity vector of the gas flow. It is assumed that particle collision with the body surface leads to partial destruction of the particle under the action of normal and tangential stresses, and some part of the particle mass remains in the vicinity of the collision point. An inviscid flow around the airfoil with a time-dependent shape is calculated by the method of approximate conformal mapping.
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