The invention provides a deicing efficiency simulation calculation method and device for a wing airbag type deicing system, and the method comprises the steps: 1, determining the appearance characteristics of a wing and the distribution of wing airbags, and completing the division of a flow field; 2, calculating a water drop track by using the wing two-dimensional shape description after flow field division to obtain a local water drop collection coefficient of each point position of the wing leading edge protection area; 3, according to the local water drop collection coefficient, the flow field variable initial value and the water drop state value, an icing period is determined, and an icing ice type is generated; 4, inputting actual conditions of the air bag, and calculating stress values of the air bag in each expansion stage; 5, measuring the surface adhesive force F [tau] of ice on the surface of the air bag in the deicing process of the air bag; step 6, according to the surface adhesive force F [tau], establishing an ice falling criterion whether ice falls off or not in each point position of the wing leading edge protection area in the airbag expansion process; and step 7, according to an ice shedding criterion, contrastively analyzing and giving an effective deicing area of the whole protection area when the air bag works, and calculating and giving the deicing efficiency.

    本申请提供本申请提供一种机翼气囊式除冰系统除冰效率仿真计算方法及装置,包括:步骤1:明确机翼外形特征和机翼气囊分布,完成流场划分;步骤2:利用流场划分后的机翼二维外形描述,计算水滴轨迹,得到机翼前缘防护区各点位的局部水滴收集系数;步骤3:根据局部水滴收集系数、流场变量初始值和水滴状态值,确定结冰周期,生成结冰冰型;步骤4:输入气囊实际条件,计算气囊膨胀各阶段的应力值;步骤5:测量气囊除冰过程中冰在气囊表面的表面粘附力Fτ;步骤6:根据表面粘附力Fτ,建立机翼前缘防护区各点位在气囊膨胀过程中,冰是否脱落的冰脱落准则;步骤7:根据冰脱落准则,对比分析给出气囊工作时整个防护区的有效除冰面积,计算给出除冰效率。


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    Title :

    Simulation calculation method and device for deicing efficiency of wing airbag type deicing system


    Additional title:

    一种机翼气囊式除冰系统除冰效率仿真计算方法及装置


    Contributors:
    LI SHENGCHAO (author) / YANG CHAO (author) / QIAN HANG (author) / WEN ZIWEI (author) / SU ZHONGZHI (author)

    Publication date :

    2025-04-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



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