| 非对称转捩对横向偏离稳定的影响 |
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| 引用本文： | 徐国武,李锋,龚安龙,刘周. 非对称转捩对横向偏离稳定的影响[J]. 宇航学报, 2015, 36(9): 995-1001. DOI: 10.3873/j.issn.1000-1328.2015.09.003 |
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| 作者姓名： | 徐国武 李锋 龚安龙 刘周 |
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| 作者单位： | 中国航天空气动力技术研究院，北京100074 |
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| 基金项目： | 国家自然科学基金(11372040) |
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| 摘 要： | 为研究非对称转捩对横向偏离稳定的影响，采用指定位置的强制转捩方法，对典型升力体外形进行非对称转捩的的数值模拟，包含全层流、全湍流及斜线转捩情况的计算与分析，得到非对称转捩对横向偏离稳定性影响的结论。结果表明：极端转捩会使飞行器航向稳定性变差，斜线转捩甚至会使飞行器航向稳定性的极性发生改变。
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| 关 键 词： | 升力体 非对称转捩 数值模拟 横向操纵偏离参数 航向稳定性 |
| 收稿时间： | 2014-10-09 |
Effect of Asymmetric Transition on Lateral Departure Stability |
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| XU Guo wu,LI Feng,GONG An long,LIU Zhou. Effect of Asymmetric Transition on Lateral Departure Stability[J]. Journal of Astronautics, 2015, 36(9): 995-1001. DOI: 10.3873/j.issn.1000-1328.2015.09.003 |
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| Authors: | XU Guo wu LI Feng GONG An long LIU Zhou |
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| Affiliation: | China Academy of Aerospace Aerodynamics，Beijing 100074，China |
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| Abstract: | In order to study the effect of asymmetric transition on lateral departure stability，a coercive transition method is used to do the research. The asymmetric transitions，including the laminar flow，turbulent flow and diagonal transitions，are numerically simulated for a typical lifting body configuration，and the conclusion of the effect of asymmetric transition on lateral departure stability is gained. The results indicate that extreme asymmetric transition makes lateral stability of vehicle become worse and that diagonal transition changes even the polarity of lateral stability. |
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| Keywords: | Lifting body Asymmetric transition Numerical simulation Lateral control departure parameter Lateral stability |
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