Icing alters the shape and surface characteristics of aircraft components, which results in altered aerodynamic forces and moments caused by air flow over those iced components. The typical effects of icing are increased drag, reduced stall angle of attack, and reduced maximum lift. In addition to the performance changes, icing can also affect control surface effectiveness, hinge moments, and damping. These effects result in altered aircraft stability and control and flying qualities. Over the past 80 years, methods have been developed to understand how icing affects performance, stability, and control. Emphasis has been on wind-tunnel testing of two-dimensional subscale airfoils with various ice shapes to understand their effect on the flowfield and ultimately the aerodynamics. This research has led to wind-tunnel testing of subscale complete aircraft models to identify the integrated effects of icing on the aircraft system in terms of performance, stability, and control. Data sets of this nature enable pilot-in-the-loop simulations to be performed for pilot training or engineering evaluation of system failure impacts or control system design.


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    Title :

    Current Methods Modeling and Simulating Icing Effects on Aircraft Performance, Stability, Control


    Contributors:

    Conference:

    Atmospheric Flight Mechanics Conference and Exhibit ; 2008 ; Honolulu, HI, United States


    Published in:

    Publication date :

    2010-01-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English






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