Suppression structure is widely used to inhibit the water spray generated by aircraft tires during aircraft takeoff from or landing on a contaminated runway. The full-scale aircraft test of water spray has shown that the chine tire can effectively suppress the water spray at several low taxiing speeds, whereas its effectiveness would decrease significantly at high taxiing speeds. In this study, vertical falling test of a model chine tire into a thin water layer is conducted to investigate the effectiveness of the chine tire. The coupled smoothed particle hydrodynamics/finite element method is used to analyze the mechanism of the decreasing effectiveness of chine tires at high taxiing speeds, in which the geometry of the side chine, depth of water, and taxiing speed are considered. It was found out that leakage of water is the main reason for the decreasing effectiveness; the increment of the side-chine height caused by hydroplaning at a high taxiing speed may lead to a large amount of water leaking from the length direction and further from the width direction. Based on this understanding, a new configuration of an aircraft chine tire is proposed to suppress the leakage of water and to keep the effectiveness of the side chine at a wide range of taxiing speeds.


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    Title :

    Decreasing Effectiveness of Chine Tire on Contaminated Runway at High Taxiing Speed


    Contributors:
    Fei, Xu (author) / Xuanqi, Ren (author) / Xianpeng, Zhang (author) / Xiangyang, Gao (author) / Jie, Liu (author)

    Published in:

    Journal of Aircraft ; 57 , 2 ; 198-208


    Publication date :

    2019-12-27


    Size :

    11 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English






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