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Modeling Helicopter Blade Sailing: Model Validation Using Experimental Data

机译:直升机叶片航行建模:使用实验数据进行模型验证

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Blade sailing is an aeroelastic phenomenon that can occur during the engage and disengage phases of shipboard helicopter operation. Over the past several years, a number of simulation tools, including structural, dynamic and aerodynamic models, have been developed at Carleton University and the National Research Council of Canada towards a comprehensive study ofthe blade sailing phenomenon. In order to validate the applicability of the tools in the complexity of the blade sailingenvironment, an experimental test programme has been developed. This programme involves recording the time history ofblade deflection data for a Froude scaled two-bladed rotor during representative rotor engage and disengage. In this paper, adescription of the simulation tools that have been developed is briefly given. The details of the experiment, including design,execution, challenges and results are the main focus. The results of the experiment, while affirming the complexity of thefactors affecting the deflection of the blade, provide an extensive library of data for the future simulation validation.
机译:叶片航行是一种气动弹性现象,可在舰载直升机操作的接合和脱离阶段发生。在过去的几年中,卡尔顿大学和加拿大国家研究委员会开发了许多仿真工具,包括结构模型,动力学模型和空气动力学模型,以对模型进行全面研究。 叶片航行现象。为了验证工具在叶片航行复杂性中的适用性 环境下,已经开发了实验测试程序。该程序涉及记录时间的历史 在代表转子啮合和脱离过程中,Froude比例双叶片转子的叶片挠度数据。在本文中, 简要介绍了已开发的仿真工具。实验的详细信息,包括设计, 执行,挑战和结果是主要重点。实验结果,同时确认了实验的复杂性 影响叶片挠度的因素为将来的仿真验证提供了广泛的数据库。

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