Permeability of granular mixtures under shear

Data set for fluidisation experiments

A granular column cmprising Ballotini glass beads of diameters 250 μm, 125 μm, 90 μm and 63 μm is sheared at a range of shear rates, γ˙ = 0, 16, 49, 115, 213 s−1, whilst simultaneously being fluidised with an increasing air flux rate. The data set includes the values of the pressure gradient across the granular column, Δp (Pa) and the corresponding air flux rate, Q (L min-1), for each size fraction and each shear rate.