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首页> 美国政府科技报告 >Kinetic Behavior of Solid Particles in Fluidized Beds: Solid Particle Kinetic Forces: Progress Report for the Period January 1-March 31, 1987
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Kinetic Behavior of Solid Particles in Fluidized Beds: Solid Particle Kinetic Forces: Progress Report for the Period January 1-March 31, 1987

机译：流化床中固体颗粒的动力学行为：固体颗粒动能力：1987年1月1日至3月31日期间的进展报告

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A tracer particle method has been developed and applied to investigate the effects of the parameters such as superficial gas velocity, fluidized particle size, and bed diameter on the kinetic forces prevailing in fluidized beds. The kinetic forces of fluidized particles become large with the increase of the fluidizing gas velocity in both bubbling and slugging flow regimes. The kinetic forces of fluidized particles also increase with larger sizes of fluidized particles. The bed diameter does not significantly affect the kinetic forces prevailing in fluidized beds if the bed height remains constant. The applicability of the Piezotron sensor for the measurement of kinetic forces was also investigated. The interpretation of the Piezotron sensor signal was hampered by the vibration of the fluidized column. However, the Piezotron sensor can still be used to evaluate the kinetic force distribution in the fluidized bed by inserting the sensor from the top of the fluidized bed (independent of column). The advantage of the Piezotron sensor is that a kinetic force distribution in the bed may be directly obtained. 2 refs., 10 figs. (ERA citation 13:000159)

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