PROSPECTS FOR USING AI METHODS TO PREDICT THE GLACIATION OF UAV BEARING SURFACES
Abstract
Icing of aircraft lifting surfaces is a safety risk factor in both civil and military aviation. Ice accretion on lifting surfaces leads to degradation of the aerodynamic characteristics of the aircraft, reducing the maximum lift coefficient by 20–80% and increasing the drag coefficient by 50–100%. The problem is particularly acute for small unmanned aerial vehicles (UAV), which operate at low Reynolds numbers and cannot utilize traditional anti-icing systems due to weight, size, and power constraints. This study aims to comprehensively analyze current research on aircraft component icing processes and evaluate prospects for applying machine learning methods to predict ice accretion. The research presents a systematic review of physical mechanisms governing rime, glaze, and mixed ice formation, experimental testing methods in icing wind tunnels, and contemporary CFD tools (LEWICE, FENSAP-ICE, GlennICE). The study substantiates the feasibility of hybrid CFD–ML approaches where traditional numerical simulations generate training datasets for constructing fast surrogate models. Using 3,200 icing simulations on the symmetric NACA0012 airfoil across wide ranges of six governing parameters (velocity, angle of attack, temperature, LWC, MVD, exposure time), a multilayer perceptron was developed to predict iced profile contour coordinates. The model demonstrates mean absolute error of 0.741 cm (1.5% chord) on the test set, with highest accuracy for rime ice (0.11 cm) and acceptable results for more complex glaze and mixed ice morphologies. Results confirm the neural network approach effectiveness as a rapid engineering analysis tool and establish foundations for integrating such models into automated design systems and adaptive ice protection systems for UAV. The developed methodology enables real-time ice shape prediction without computational overhead of full CFD simulations, facilitating development of intelligent anti-icing systems.
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