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Wind tunnel technique for transonic full-model flutter test
Received date: 2014-07-29
Revised date: 2014-09-07
Online published: 2014-11-06
A review on the status of transonic wind tunnel technique for full-model flutter test is presented in this paper. The requirements on wind tunnel facility and supporting system are introduced. For wind tunnel, some special requirements on the size of wind tunnel and its quality of flow field for flutter test are analyzed. Taking example of the 2.4 m' transonic wind tunnel in the China Aerodynamic Research and Development Center, the demand control of flow states for flutter tests is introduced. As to the full-model support, the restrictions to design appropriate supporting system are emphasized from model rigid-body freedoms, stability and frequencies of the total system. Several full-model support systems are given and analyzed as examples for design reference. Then some measures to guarantee system security are presented, including static and dynamic stability of the system, emergency brake of the wind tunnel, and model protect. Finally, according to the requirements of vehicle development,several major orientation problems that we need to improve and develop in the future are discussed.
LU Bo , LYU Binbin , LUO Jianguo , YU Li , YANG Xinghua , GUO Hongtao , ZENG Kaichun . Wind tunnel technique for transonic full-model flutter test[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2015 , 36(4) : 1086 -1092 . DOI: 10.7527/S1000-6893.2014.0249
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