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基于準(zhǔn)三維冰形算法的結(jié)冰預(yù)測(cè)技術(shù)及應(yīng)用研究

發(fā)布時(shí)間:2018-06-27 22:55

  本文選題:機(jī)翼結(jié)冰 + 準(zhǔn)三維冰形算法 ; 參考:《飛行力學(xué)》2017年02期


【摘要】:機(jī)翼結(jié)冰是威脅民用飛機(jī)飛行安全的主要因素之一,準(zhǔn)確預(yù)測(cè)機(jī)翼的結(jié)冰過程和特點(diǎn),可為防除冰設(shè)計(jì)提供依據(jù)和支撐。提出了利用二維模擬三維的準(zhǔn)三維冰形算法,該算法在保證結(jié)冰預(yù)測(cè)精度的同時(shí),極大地降低了型號(hào)結(jié)冰計(jì)算成本;給出了順氣流和垂直于前緣兩種典型民用飛機(jī)后掠翼機(jī)翼的二維剖面截取方法,并將采用該方法的計(jì)算結(jié)果與三維后掠機(jī)翼的結(jié)冰預(yù)測(cè)結(jié)果進(jìn)行了對(duì)比分析。結(jié)果表明,相對(duì)于順氣流方式,垂直于前緣方式的準(zhǔn)三維冰形算法與三維后掠機(jī)翼的結(jié)果更為接近。
[Abstract]:Wing icing is one of the main factors threatening the flight safety of civil aircraft. Accurate prediction of the icing process and characteristics of the wing can provide basis and support for anti-icing design. A quasi-3D ice shape algorithm based on 2D simulation and 3D simulation is proposed. The algorithm not only ensures the accuracy of icing prediction, but also greatly reduces the calculation cost of model icing. In this paper, two kinds of two dimensional section interception methods for the wing of swept wing of two typical civil aircraft are presented, which are perpendicular to the front edge and the results obtained by this method are compared with the results of the ice prediction of the three-dimensional swept wing. The results show that the quasi-three-dimensional ice shape algorithm perpendicular to the leading edge is closer to that of the three-dimensional swept wing.
【作者單位】: 上海飛機(jī)設(shè)計(jì)研究院總體氣動(dòng)部;上海飛機(jī)設(shè)計(jì)研究院科學(xué)技術(shù)委員會(huì);
【分類號(hào)】:V321.229;V328

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相關(guān)碩士學(xué)位論文 前1條

1 於蕭蕭;基于微觀物理現(xiàn)象的飛機(jī)結(jié)冰特性研究[D];南京航空航天大學(xué);2016年

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本文編號(hào):2075579

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