Perte de pression et vitesse minimum de fluidisation dans un lit de particules 2D

Blanche Dalloz-Dubrujeaud, Roland Faure, Lounès Tadrist, Guy Giraud
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引用次数: 3

Abstract

In order to determine the pressure drop equation and the minimum fluidization velocity of a 2D bed of monodispersed particles, an experimental setup has been devoloped. The first results show clearly that the well-known equations for 3D bed are not reliable for this configuration. In particular, the minimum fluidization velocity is underestimated. A new pressure drop law is proposed which allows the determination of the minimum fluidization velocity, and is in good agreement with the experimental measurements.

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二维颗粒床中的压力损失和最小流化速度
为了确定二维单分散颗粒床的压降方程和最小流化速度,建立了一个实验装置。第一个结果清楚地表明,众所周知的三维床的方程对这种配置是不可靠的。特别是,最小流化速度被低估了。提出了一种新的压降规律,可以确定最小流化速度,并与实验结果吻合较好。
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