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含能材料  2007 

烟幕云团形成初期的流动规律研究

Keywords: 动力学,烟幕云团,边界层,湍流,性质

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Abstract:

利用普朗特边界层微分方程,根据爆炸成烟烟幕云团的自身运动特点,通过在不同条件下的假设,建立了贴地面的烟幕云团的边界层流动数学模型,以及快速成烟膨胀模型,并用实验分析模型。研究认为,在爆炸成烟烟幕云团形成初期,其流动特征为湍流,空气阻力是烟幕云团膨胀运动速度迅速衰减的主要原因。

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