| 火箭跨音速动导数和抖振实验 |
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| 引用本文： | 冯明溪,王志安.火箭跨音速动导数和抖振实验[J].宇航学报,1987(1). |
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| 作者姓名： | 冯明溪 王志安 |
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| 作者单位： | 北京空气动力研究所
(冯明溪)，北京空气动力研究所(王志安) |
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| 摘 要： | 在风洞中进行了火箭的抖振实验,根据火箭固有振动的特点,利用动导数测量的方法,给出了气动阻尼,并通过调整模型的支持刚度,运用自由振动法,测出了实验模型的负气动阻尼,纹影录相揭示了抖振及其与激波位置的关系,为确定火箭的抖振载荷提供了数据。
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| 关 键 词： | 火箭 风洞试验 颤振试验 颤振载荷 气动阻尼 动导数 测量 |
EXPERIMENTS OF TRANSONIC DERIVATIVES AND BUFFETING OF ROCKET |
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| Feng Mingxi Wang Zhian.EXPERIMENTS OF TRANSONIC DERIVATIVES AND BUFFETING OF ROCKET[J].Journal of Astronautics,1987(1). |
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| Authors: | Feng Mingxi Wang Zhian |
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| Institution: | Beijing Institute of Aerodynamics |
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| Abstract: | The buffeting tests were concerned in wind tunnel. Based on the natural vibrating characteristic of the rocket, the aerodynamic damping moments were measured and the negative damping moments were successfully given out with the free oscillating method. The supporting rigidity of the model were designed to induce the model to take place buffeting and the relation between the buffeting and the position of the shock wave was shown clearly by schlieren video camera recording. The results contributed to calculate the buffeting loads of the rocket. |
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| Keywords: | Rocket wind tunnel test Buffe ting test Buffeting load Aerodynamic damping Dynamic derivatives measurement |
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