| 非定常风洞壁压特性研究 |
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| 引用本文： | 李志强,张文华,黄达,丁克文. 非定常风洞壁压特性研究[J]. 航空学报, 1997, 18(6): 652-655 |
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| 作者姓名： | 李志强 张文华 黄达 丁克文 |
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| 作者单位： | 南京航空航天大学６系, 210016 |
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| 摘 要： | 在低速风洞中用2组后掠角分别为70°和65°的三角翼模型进行过失速非定常运动，测量风洞洞壁上非定常壁压。研究风洞非定常壁压的延迟与频率特性。讨论了模型尺寸、缩减频率、前缘后掠角等对风洞非定常壁压的影响。
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| 关 键 词： | 非定常流 风洞 壁压 |
| 收稿时间： | 1996-12-10 |
| 修稿时间： | 1997-03-20 |
UNSTEADY WIND TUNNEL WALL PRESSURE RESEARCH |
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| Li Zhiqiang,Zhang Wenhua,Huang Da,Ding Kewen. UNSTEADY WIND TUNNEL WALL PRESSURE RESEARCH[J]. Acta Aeronautica et Astronautica Sinica, 1997, 18(6): 652-655 |
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| Authors: | Li Zhiqiang Zhang Wenhua Huang Da Ding Kewen |
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| Affiliation: | 6.th Department,Nanjing University of Aeronautics and Astronautics,Nanjing,210016 |
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| Abstract: | The unsteady wind tunnel wall pressure for two groups of models oscillating in pitch to high angles of attack was measured.The models tested consist of two sets of delta wings having 70° and 65° leading edge sweep.The unsteady wall pressure characteristics such as delay and frequency were analyzed.The effects of parameters such as model size,reduced frequency,leading sweep, etc., on unsteady wall pressure were discussed. |
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| Keywords: | unsteady flow wind tunnel wall pressure |
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