| 倾转状态的旋翼尾迹形状和挥舞响应分析 |
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| 引用本文： | 李春华,陈平剑,赵小全,段广战.倾转状态的旋翼尾迹形状和挥舞响应分析[J].直升机技术,2009(2). |
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| 作者姓名： | 李春华 陈平剑 赵小全 段广战 |
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| 作者单位： | 1. 中国直升机设计研究所,景德镇,333001
2. 总参陆航部驻景德镇地区军事代表室,景德镇,333002 |
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| 摘 要： | 本文推导了旋翼在倾转时的桨叶挥舞运动方程,给出了桨叶升力面模型和尾迹时间推进预测—校正算法,并结合涡核模型和旋翼配平分析模型,建立了一个时间推进旋翼自由涡计算方法。通过计算的旋翼诱导速度与实验值的对比,验证了本文方法的有效性。然后利用该方法,计算了旋翼在倾转时的尾迹几何形状畸变和桨叶挥舞响应特性。
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| 关 键 词： | 倾转旋翼 倾转 挥舞 自由尾迹 |
Analysis on Wake Geometries and Flapping Responses for Rotor in Tilting Flight |
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| Authors: | LI Chunhua CHEN Pingjian ZHAO Xiaoquan DUAN Guangzhan |
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| Institution: | 1(1.China Helicopter Research and Development Institute; Jingdezhen; 333001; 2.Military Representative Office of the Army Aviation Department for the Headquarters of thePLA General Staff in Jingdezhen Region; 333002); |
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| Abstract: | The blade flapping equation for rotor in tilting flight was derived.Blade lift-surfacing model,wake time-marching algorithm,vortex core model and trimming model were also given and combined into a new time-marching free vortex method for predicting rotor wake geometries and flapping responses.By the comparisons of calculated results with experimental results for numerical example on rotor induced velocities,the time-marching free vortex method was validated.Using the present method,the distortion characteri... |
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| Keywords: | tilt rotor tilting flap free wakes |
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