The transport velocity (u tri ) in an inclined fluidized-bed was investigated by varying the bed angle relative to the horizontal plane (0 o -90 o ), the particle diameter (0.021-0.925 mm), and density (1,272-4,503 kg/m 3 ). This study employed the emptying time method to determine the transport velocity. The transport velocity for the vertical fluidized-bed (u tr90 ) was revealed to increase appreciably with the aspect ratio of the fluidized-bed. The transport velocity decreased as the bed angle increased. The ratio of the transport velocity to that for the vertical bed (u tri /u tr90 ) decreased with an increase in either the bed angle or the ratio of the particle diameter (d p ) to the critical particle diameter (d p * ), i.e., the maximum particle diameter at which the sum of the interparticle adhesion forces had a dominant influence on particle entrainment. Correlations for the transport velocity according to the bed angle relative to the horizontal plane were proposed successfully, based on the experimental data.
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