气-固流化床中悬浮物体的受力及其运动规律

摘要本文从气—固两相流动基本方程出发推导了流化床中物体所受气压分布力方程，证实在初始流化状态或气速不太高时悬浮物体处于平衡状态，所受浮力满足阿基米德定律。通过实验对上述定律进行了验证，并探讨了不同密度的悬浮物体在床中的运动规律。

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	郝晓刚
	樊彩梅

关键词：流化床力悬浮物体

Abstract： he equation of gaseous pressure forces distribution on floating objects is developed with the two phases flow equation of gassolid in gas fluidized bed and Archimedes principle is testified in minimum fluidization or at low superficial gas velocity. The motion behavior of floating objects is also investigated by experiment.

Keywords： fluidized bed force floating object

Received 1998-07-15;

引用本文:

郝晓刚,樊彩梅.气-固流化床中悬浮物体的受力及其运动规律[J]. 化学工业与工程, 1998,15(3): 3-7

Hao Xiaogang Fan Caimei.Forces Acting on Floating Objects and Their MotionBehavior in Gas Fluidized Bed[J]. Chemcial Industry and Engineering, 1998,15(3): 3-7