| 共轴式直升机飞行动力学仿真数学模型研究 |
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| 引用本文： | 周国仪,胡继忠,曹义华,王晋军.共轴式直升机飞行动力学仿真数学模型研究[J].航空学报,2003,24(4):293-295. |
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| 作者姓名： | 周国仪 胡继忠 曹义华 王晋军 |
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| 作者单位： | 北京航空航天大学,飞行器设计与应用力学系,北京,100083 |
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| 摘 要： | 在讨论共轴双旋翼气动干扰模型的基础上,建立了一种共轴式直升机飞行动力学仿真数学模型。以某型共轴式直升机为样例机,在定直水平飞行条件下进行配平计算,并与国外计算结果作了对比分析,两者基本一致。给出了共轴式直升机在不同操纵输入下的动态响应数值模拟结果。仿真计算表明,所建模型能够刻画共轴式直升机运动的基本特征。
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| 关 键 词： | 直升机 共轴式直升机 飞行力学 旋翼空气动力学 |
| 文章编号： | 1000-6893(2003)04-0293-03 |
| 修稿时间： | 2002年6月18日 |
Research on a Mathematical Model for Coaxial Helicopter Flight Dynamics |
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| ZHOU Guo yi,HU Ji zhong,CAO Yi hua,WANG Jin jun.Research on a Mathematical Model for Coaxial Helicopter Flight Dynamics[J].Acta Aeronautica et Astronautica Sinica,2003,24(4):293-295. |
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| Authors: | ZHOU Guo yi HU Ji zhong CAO Yi hua WANG Jin jun |
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| Institution: | Dept. of Flight Vehicle Design and Applied Mechanics; Beijing University of Aeronautics and Astronautics; Beijing 100083; China |
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| Abstract: | A non linear mathematical model for coaxial helicopter flight dynamics is established based on the development of a simplified and practical coaxial contra rotating twin rotor loads model. The mathematical model is used to calculate trims in steady straight level flight and dynamic responses to different control inputs for the sample coaxial helicopter made in BUAA. The results of trim computation are well in agreement with the data provided from Russia. Numerical simulations show that the non linear mathematical model captures the motion trend of the sample coaxial helicopter correctly. The correctness of models is preliminarily validated. |
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| Keywords: | helicopter coaxial helicopter flight dynamics rotor aerodynamics |
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