AC313直升机旋翼换装某直升机液弹阻尼器分析  被引量:1

Analysis of the AC313 Helicopter Rotor with a Certain Type of Fluid-elastomeirc Damper

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作  者:舒航 李建伟 覃海鹰[1] 王鉴[1] 雷少保 SHU Hang;LI Jianwei;QIN Haiying;WANG Jian;LEI Shaobao(China Helicopter Research and Development Institute,Jingdezhen 333001,China;Army Aviation Military Representative Office in Jingdezhen Region,Jingdezhen 333001,China)

机构地区:[1]中国直升机设计研究所,江西景德镇333001 [2]陆航驻景德镇地区代表室,江西景德镇333000

出  处:《直升机技术》2019年第3期24-27,共4页Helicopter Technique

摘  要:基于直升机"地面共振"临界状态条件,研究了球柔性旋翼采用液压阻尼器和液弹阻尼器的需用阻尼,并基于相关试验数据对AC313型直升机旋翼安装两种阻尼器的阻尼器载荷进行了对比分析。结果表明,AC313直升机旋翼换装某直升机液弹阻尼器能够防止"地面共振"发生,有效减小旋翼结构载荷。此研究对球柔性旋翼安装液弹阻尼器的相关研究具有一定参考价值。Based on the ground resonance critical condition of helicopter, the required damping of hydraulic damper and fluid-elastomeirc dampers about the spheriflex rotor was studied. Based on test data loads of the two kinds of damper, that mounted on AC313 helicopter was calculated and compared. The result showed that the main rotor of AC313 helicopter with the certain type of fluid-elastomeirc damper could prevent ground resonance phenomenon and effectively reduce the structure loads of main rotor. This paper was valuable to the research of the ball flexible rotor with fluid - elastomeirc dampers.

关 键 词:直升机 液弹阻尼器 地面共振 载荷 

分 类 号:V245.1[航空宇航科学与技术—飞行器设计]

 

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