1.哈尔滨飞机工业集团有限责任公司 飞机设计研究所, 哈尔滨 150066
2.西北工业大学 航空学院, 西安 710072
于仁业(1980-), 男, 学士, 研究员级高级工程师。 E-mail: 13936499364@163.com
收稿:2026-01-21,
修回:2026-03-31,
网络首发:2026-04-24,
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于仁业,王庆立,王巍,等. T尾颤振风洞试验模型设计与验证[J]. 航空工程进展.
YU Renye,WANG QingLi,WANG Wei, et al. T-tail flutter wind tunnel test model design and validation[J]. Advances in Aeronautical Science and Engineering.(in Chinese)
由于T型尾翼飞机的颤振特性与平尾静升力有关,理论预测T型尾翼飞机颤振速度的精度下降,开展T尾颤振风洞试验需设计高精度动力学相似模型。研究T尾颤振风洞试验模型刚度、质量、惯量的设计和验证方法,通过T尾颤振风洞试验研究平尾静升力和垂尾与机身连接接头的弯、扭转刚度变化对T尾颤振速度的影响。结果表明:所设计的T尾颤振风洞试验模型的质心、惯量和固有频率试验值与理论计算值误差在4%以内,预测的颤振临界速度误差在5%以内;增大垂尾与机身连接扭转刚度可显著提高颤振临界速度,增大垂尾与机身连接弯曲刚度会降低颤振临界速度,颤振试验结果对于T型尾翼的平尾总体布局和垂尾结构刚度设计具有重要的工程指导意义。
Due to the relationship between the flutter characteristics of T-tail aircraft and the static lift of the horizontal tail, the accuracy of theoretical predictions for the flutter speed of T-tail aircraft decreases. Therefore, it is particularly important to design precise T-tail flutter wind tunnel test models for wind tunnel testing. This paper systematically studies the design and validation methods for the stiffness, mass, and inertia of T-tail flutter wind tunnel test models. Through T-tail flutter wind tunnel tests, the effects of variations in the static lift of the horizontal tail and the bending and torsional stiffness of the vertical tail-fuselage connection joints on the T-tail flutter speed were validated. The research shows that the errors between the tested values (such as the center of mass, inertia, and natural frequencies) of the designed T-tail flutter wind tunnel test models and the theoretically calculated values are within 4%, and the predicted critical flutter speed error is within 5%. Increasing the torsional stiffness of the vertical tail-fuselage connection significantly improves the critical flutter speed, while increasing the bending stiffness of the vertical tail-fuselage connection reduces the critical flutter speed. The flutter test results provide important guidance for the overall layout of the horizontal tail and the structural stiffness design of the vertical tail in T-tail configurations.
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