| 基于起飞性能的民机升阻特性推算 |
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| 引用本文： | 吴朝,王立新.基于起飞性能的民机升阻特性推算[J].飞行力学,2011,29(1). |
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| 作者姓名： | 吴朝 王立新 |
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| 作者单位： | 北京航空航天大学航空科学与工程学院; |
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| 摘 要： | 针对民机起飞构型,建立了一种利用飞机的起飞性能推算其升阻特性的工程计算方法。通过对民机起飞过程的物理分析以及对特殊飞行阶段和典型飞行状态点的动力学分析与气动力参数计算,推算出计入地面效应的民机升阻特性;参考同类飞机的失速特性,对推算得到的升力曲线进行非线性修正。以B737-300民机为算例的计算结果表明,该推算方法具有一定的精准度和工程实用性,可用于不同民机型号的气动特性对比计算和分析。
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| 关 键 词： | 起飞性能 升阻特性 失速特性 非线性修正 |
Calculation for lift-drag characteristics based on civil airplane's take-off performance |
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| WU Zhao,WANG Li-xin.Calculation for lift-drag characteristics based on civil airplane's take-off performance[J].Flight Dynamics,2011,29(1). |
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| Authors: | WU Zhao WANG Li-xin |
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| Institution: | WU Zhao,WANG Li-xin(School of Aeronautic Science and Engineering,BUAA,Beijing 100191,China) |
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| Abstract: | Based on the civil airplane's take-off performance,calculation for lift-drag characteristics for take-off configuration is provided.Through the physical analysis of take-off process,the dynamic analysis of typical stages and the calculation of aerodynamic coefficients,the civil airplane's lift-drag characteristics including the influence of ground effect are obtained.Referring to the stall characteristics of civil airplane in similar model and configuration,lift characteristics are nonlinearly amended.Take ... |
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| Keywords: | take-off performance lift-drag characteristic stall characteristics nonlinear amend |
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