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工程力学  2013 

潜射导弹空化特性水洞模型试验研究

DOI: 10.6052/j.issn.1000-4750.2011.11.0794, PP. 442-447

Keywords: 流体力学,潜射导弹,试验研究,空化形态,力学特性

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Abstract:

潜射导弹水下弹道品质决定了发射过程的成败。发射速度提高形成的导弹附体空泡造成了流体动力的不确定性,增加了水下弹道设计的难度。针对潜射导弹水下航行的特点,采用通气空泡技术来模拟不同空化状态下航行的导弹,给出了空泡形态及其流体动力特性,分析了锥头锥角对空泡形态和流体动力特性的影响,得出了回射流效应及弹体自由攻角随锥角增大而增大的结论。借鉴超空泡武器外形理论,设计了增强弹道稳定性的截头锥头型,并通过试验验证了该头型弹体稳定性好的特点。试验结果可供潜射导弹水弹道设计人员参考。

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