Axial liquid backmixing coefficients weakened at higher magnetic intensity and liquid viscosity, but enhanced at higher superficial liquid velocity and larger particle size.
轴向液相返混系数随磁场强度和液体粘度的增大而减小，随空塔液速和颗粒尺寸的增大而增大。
With increasing of superficial gas velocities, the liquid flow regime was changed from homogeneous to transitional and radial gradient of axial liquid velocity was rather small.
且当表观气速增大，初始流体流动处于由均匀流型向过渡流型的转变，轴向液体速度在径向的梯度非常小；
The influences of the superficial gas velocity, solid holdup and flowing resistance on gas holdup, bubble size, bubble rise velocity and liquid velocity were systematically studied.
考察了表观气速、固含率和流动阻力对气含率、气泡大小、气泡上升速度和液速的影响。
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