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Structural Parameter Sensitivity Analysis of an Aircraft Anti-Icing Cavity Based on Thermal Efficiency

机译：基于热效率的飞机防冰腔结构参数敏感性分析

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摘要

The objective of this paper is to accurately describe the influence of structural parameter uncertainties on the thermal efficiency of an aircraft wing anti-icing cavity. To do this, a new method of parameter sensitivity evaluation is proposed according to the weighted stochastic response surface method. First, the concept of fitting the explicit performance function of the anti-icing cavity structure using the weighted stochastic response surface method is presented. A structural parameter sensitivity analysis based on thermal efficiency is then conducted considering the uncertainties of the position of the flute tube, the height of the double-skin channel, and the diameter and angle of the jet holes. The results indicate that the height of the double-skin channel and the diameter of the jet holes are the main factors influencing the functional reliability of the anti-icing cavity.
机译：本文的目的是准确描述结构参数不确定性对飞机机翼防冰腔热效率的影响。为此，根据加权随机响应面法提出了一种新的参数灵敏度评估方法。首先，提出了使用加权随机响应面法拟合防冰腔结构的显式性能函数的概念。然后，考虑到排屑管的位置，双层皮通道的高度以及喷孔的直径和角度的不确定性，进行了基于热效率的结构参数敏感性分析。结果表明，双层通道的高度和喷孔的直径是影响防冰腔功能可靠性的主要因素。

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  • 来源
    《International journal of aerospace engineering》 |2019年第1期|7851260.1-7851260.7|共7页
  • 作者

    Zhang Feng; Gao Yang; Yao Huiju; Wang Yameng; Luo Kailiang;

  • 作者单位

    Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Xian 710129, Shaanxi, Peoples R China;

    Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Xian 710129, Shaanxi, Peoples R China;

    Jiangnan Inst Elect & Mech Design, Guiyang 550009, Guizhou, Peoples R China;

    Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Xian 710129, Shaanxi, Peoples R China;

    Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Xian 710129, Shaanxi, Peoples R China;

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