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首页> 外文期刊>TsAGI science journal >COMPLEX EXPERIMENTAL TESTS OF THE LONGITUDINAL AERODYNAMIC CHARACTERISTICS OF THE CRM MODEL IN THE T-103 WIND TUNNEL BASED AT TsAGI
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COMPLEX EXPERIMENTAL TESTS OF THE LONGITUDINAL AERODYNAMIC CHARACTERISTICS OF THE CRM MODEL IN THE T-103 WIND TUNNEL BASED AT TsAGI

机译:基于Tsagi的T-103风洞CRM模型的纵向空气动力学特性复杂实验试验

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摘要

The results of complex experimental tests on the longitudinal aerodynamic characteristics of the NASA Common Research Model of a typical passenger aircraft are presented. They include static tests, forced pitch oscillations with large and small amplitudes and different frequencies, as well as free controlled motion with one degree of freedom in pitch with remotely deflected elevators. The results of mathematical modeling using the traditional linear mathematical model of the aerodynamic characteristics are compared with the experimental data. It can be concluded that a more accurate mathematical model of aerodynamics is needed to describe the nonlinear dynamic effects observed in the tests.
机译:介绍了典型客机NASA常见研究模型纵向空气动力学特性的复杂实验试验的结果。它们包括静态测试,具有大小幅度和不同频率的强制音调振荡,以及具有一定程度的自由度,具有远程偏转的电梯的自由度。使用传统的空气动力学特性线性数学模型的数学建模结果与实验数据进行了比较。可以得出结论,需要更准确的空气动力学模型来描述测试中观察到的非线性动态效果。

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