| A320系列机型绿点速度特性分析 |
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| 引用本文： | 孙宏,魏坤鹏,赵庆伟,向导.A320系列机型绿点速度特性分析[J].飞行力学,2020(2):1-4,11. |
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| 作者姓名： | 孙宏 魏坤鹏 赵庆伟 向导 |
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| 作者单位： | 中国民用航空飞行学院民航飞行技术与飞行安全科研基地;中国民用航空飞行学院机场工程与运输管理学院;中国国际航空公司西南分公司 |
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| 基金项目： | 国家自然科学基金资助(61179074)。 |
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| 摘 要： | 绿点速度是空客系列机型特有的光洁构型、一发失效条件下的最佳操纵速度。为了研究绿点速度的设计依据,利用空客PEP性能软件计算A320系列机型光洁构型、一发失效条件下、不同校正表速所对应的爬升角、等待燃油流量和飘降下滑角,分析了绿点速度状态、最大升阻比状态下的爬升、等待、飘降性能与最佳爬升/等待/飘降性能相互之间的关系。结果表明:绿点速度小于最大升阻比速度,随着飞行高度增加逐渐逼近最大升阻比速度;绿点速度下的爬升/等待/飘降性能对应于最大升阻比性能、最佳爬升/等待/飘降性能的均值。
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| 关 键 词： | 绿点速度 PEP软件 飞行性能 最大升阻比 |
Analysis of green dot speed characteristics of A320 series aircraft |
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| SUN Hong,WEI Kunpeng,ZHAO Qingwei,XIANG Dao.Analysis of green dot speed characteristics of A320 series aircraft[J].Flight Dynamics,2020(2):1-4,11. |
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| Authors: | SUN Hong WEI Kunpeng ZHAO Qingwei XIANG Dao |
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| Institution: | (Scientific Research Base of Civil Aviation Flight Technology and Safety,Civil Aviation Flight University of China,Guanghan 618307,China;Airport Engineering and Transportation Management College,Civil Aviation Flight University of China,Guanghan 618307,China;Southwest Branch of Air China,Chengdu 610000,China) |
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| Abstract: | The green dot speed is a unique best operating speed of airbus fleets under the condition of clean configuration and one engine out status.By using the airbus PEP performance program,this article focuses on the speed influence on the climbing,holding and drift-down performance of the A320 aircraft under the condition of clean configuration and one engine out status in order to figure out the design criteria of green dot speed.The results show that the green dot speed is lower than the maximum lift-to-drag ratio speed,which will increase with the flight altitude and approach the maximum lift-to-drag ratio speed gradually.In addition,the climbing/holding/drift-down performance under green dot speed equal to the average value of performance under maximum lift-to-drag ratio and best climbing/holding/drift-down performance. |
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| Keywords: | green dot speed PEP program flight performance maximum lift-to-drag ratio |
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