Water Resources and Environmental Hydraulics · Groundwater Resources · 1 mark · Multiple choice
Glycerin and kerosene have kinematic viscosities1.2 and .95 times water. They flow through identical porous media at equal hydraulic gradients, obeying Darcy’s law. Find kerosene/glycerin flow ratio.
Hydraulic conductivity is $K=kg/\nu$,where k is intrinsic permeability and ν kinematic viscosity. Equal media, gradient and area make flow inversely proportional to ν. Therefore $Q_k/Q_g=\nu_g/\nu_k=1.2/.95=1.263158$,closest to **D**.
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