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首页> 外文期刊>Journal of Applied Mechanics and Technical Physics >CALCULATION OF EXPANSION OF A PACKED BED OF A DISPERSE MATERIAL SUBJECTED TO PULSED FLUIDIZATION
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CALCULATION OF EXPANSION OF A PACKED BED OF A DISPERSE MATERIAL SUBJECTED TO PULSED FLUIDIZATION

机译：脉冲流化法分散材料填充床膨胀的计算

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摘要

Pulsed fluidization of a packed bed of a disperse material is studied experimentally and numerically. Mathematical modeling of the process is performed within the framework of the approaches of mechanics of heterogeneous media on the basis of an experimental study of the bed uplift height as a function of the pressure difference in the fluidized bed. A detailed dynamic flow pattern corresponding to one pulse of the experimental setup is obtained numerically, velocity and pressure distributions inside the bed are found, and the maximum height of the bed uplift is determined. The results obtained are demonstrated to be in reasonable agreement with experimental data on the uplift height as a function of the pressure difference.
机译：对分散材料填充床的脉冲流化进行了实验和数值研究。该过程的数学模型是在非均质介质力学方法的框架内进行的，该实验基于对流化床中压力升高的床抬升高度的实验研究。数值获得了与实验装置的一个脉冲相对应的详细动态流型，找到了床内的速度和压力分布，并确定了床抬升的最大高度。结果表明，所得到的结果与作为压力差函数的隆起高度的实验数据合理吻合。

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  • 作者

    A. V. Fedorov; I. A. Fedorchenko; M. S. Vasilishin; A. G. Karpov; O. S. Ivanov;

  • 作者单位

    Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090 Russia;

    Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090 Russia;

    Institute for Problems of Chemical and Energetic Technologies, Siberian Branch, Russian Academy of Sciences, Biisk, 659322 Russia;

    Institute for Problems of Chemical and Energetic Technologies, Siberian Branch, Russian Academy of Sciences, Biisk, 659322 Russia;

    Institute for Problems of Chemical and Energetic Technologies, Siberian Branch, Russian Academy of Sciences, Biisk, 659322 Russia;

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  • 正文语种 eng
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  • 关键词

    fluidization; numerical modeling; experiment; multiphase medium flow;

    机译：流化数值建模;实验;多相介质流;

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