![]() ![]() ![]() Developing an increased understanding of ice accretion on aircraft is needed to make flying safer.īuilding a quality mesh that conforms to accreted airfoil ice is quite challenging, especially for glaze ice, which is characterized by a complex three-dimensional roughness with a broad range of scales down to tens of wall units, and highly concave features. The Federal Aviation Administration estimates airframe ice can decrease lift by more than 30 percent and increase drag by more than 80 percent. Ice changes the geometric shape of surfaces it accretes on, which changes its aerodynamic characteristics in unpredictable and possibly catastrophic ways. Unstructured Mesh Generation for Simulation of Airfoil Ice Accretionĭepartment of Aerospace Engineering and Applied Research LaboratoryĪirframe, wing and rotor icing is a critical problem in aerodynamics.
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