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ding chang ke ya suo pao zhuang liu dong ji bo de shu zhi fang zhen
Author(s): 
Pages: 
Year: Issue:  10
Journal: Journal of Ship Mechanics

Keyword:  泡状流激波边界条件水翼;
Abstract: 探讨了可压缩泡状流动的计算机仿真方法,计算了水翼在气相体积分数为0.5的来流中的跨声速流动.数值试验表明,当泡状流中气相本身为小亚声速流动或气相马赫数小于0.1时,则速度入口边界可用于泡状流的无穷远或入口边界条件.计算表明,亚声速泡状来流的下游扰动会向上游传播,从而需要将入口边界远离水翼;而超声速泡状来流在水翼前端形成弓形脱体压缩激波,下游扰动向上游的传播不超过波阵面.激波上游的气体体积分数大于其下游的值.正激波的上下游流动计算结果基本满足泡状流动力激波的激波关系.
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