侧风对舰载直升机悬停性能的影响
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(1.海军航空工程学院研究生管理大队,山东 烟台 264001;2.海军航空工程学院飞行器工程系,山东 烟台 264001;3.海军装备部,北京 100841)

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V211.52

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Performance Analysis of Shipboard Helicopter Resist to Side Wind in Hover
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(1.Naval Aeronautical and Astronautical University a. Graduate Students’ Brigade;2. Department of Airborne Vehicle Engineering,Yantai Shandong 264001,China;3.Naval Equipment Department,Beijing 100841,China)

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    摘要:

    针对舰载直升机小速度、大侧滑的飞行状态,采用了旋翼非均匀入流模型,导出了直升机在风场中的运动方程。以某型机为例,对不同风速条件下直升机悬停时的平衡特性进行了计算分析。计算结果表明:左侧风对该机悬停性能影响最大,而尾桨操纵裕度要求左侧风速不能超过30 m/s,与同类直升机的飞行数据吻合。分析模型为制订舰载直升机的风险图提供了理论依据。

    Abstract:

    For shipboard helicopter low speed and large sideslip flight conditions, nonuniform inflow model was utilized to predict induced velocity over the rotor plane. Equations of motion of helicopter in wind were derived. For a shipboard helicopter in hovering flight, trim analysis was conducted for deferent wind speed. Results show that left cross wind has a most effect to the helicopter hovering trim performance and should not exceed 30 m/s due to tail rotor pitch control requirement. Analytical results correlate well with a same type of helicopter flight data. The present theoretical model is useful to determine the wind-envelop of shipboard helicopter.

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李军亮,胡国才,王浩.侧风对舰载直升机悬停性能的影响[J].海军航空大学学报,2010,25(2):129-132
LI Jun-liang, HU Guo-cai, WANG Hao. Performance Analysis of Shipboard Helicopter Resist to Side Wind in Hover[J]. JOURNAL OF NAVAL AVIATION UNIVERSITY,2010,25(2):129-132

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  • 在线发布日期: 2018-07-05
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