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热声谐振管中声振荡的格子Boltzmann模拟

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摘要 采用D2Q9格子Boltzmann总能密度分布函数模型对小声幅声波在谐振管中传播的压力和速度、温度变化进行模拟。对活塞驱动的谐振管稳定后的介质振荡特征和内置板叠的谐振管进行了研究,重点分析了谐振管中介质振荡的非线I性现象,并通过板叠前后介质振荡相位差及幅值变化来分析板叠阻抗对流动介质振荡所产生的影响。
作者 邓玉瑾
出处 《铁道勘测与设计》 2012年第1期77-80,共4页 Railway Survey and Design
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参考文献8

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