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Numerical Simulation on Hydrodynamic Characteristics of Submarine Missile in the Vertical Launch Process
Author(s): MIN Jing-xin, WEI Ying-jie, WANG Cong, CAO Wei, ZOU Zhen-zhu
Pages: 1303-
1309
Year: 2010
Issue:
10
Journal: Acta Armamentarii
Abstract: 采用数值模拟的方法研究了潜射导弹垂直发射上升过程空泡多相流和流体动力演化规律.基于连续性方程、空化质量输运方程、混合介质RANS方程和标准k-ε湍流模型,结合动网格技术,实现了弹体边界运动与汽水流场的流体-固体耦合问题求解.以此为基础,数值模拟了重力影响下的潜射导弹垂直发射水下运动过程,对比分析了潜射导弹头型对肩空泡和流体动力的影响,并给出了3组重推比下潜射导弹的水下航行弹道.模拟和分析结果表明,...
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