A fluid is flowing downward (via gravity) through a cylindrical packed bed. The void fraction of this bed is ɛ = 0.42 and the packing particles have a diameter Dp = 0.0060 m. The packing has a depth of 3.10 meters, and the liquid level of the fluid above the packing is held constant at 1.25 meters. Properties of the fluid ... p= 975 kg/m³ and µ = 0.0013 Pa-s ... Fluid Flow IN Fluid Abore the Packing Packing Depth Flurd Flow OUT (2.a) What is the superficial velocity [ m/s ] of the fluid through the bed?

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Units and Dimensions

Dimensions are the basic concepts of the measurement of quantities. Units are the means of expressing the dimensions. For instance, an area has a dimension of L2 and a unit of m2.