Abstract
By combining three-dimensional digital microtomographytechniques with the lattice Boltzmann method, a new methodology is usedto analyse the relative permeability of multiphase flow in porousmedia. The results indicate that the two coupling coefficients K12 andK21 have the same magnitude, therefore the Onsager reciprocity stillholds. The results also agree well with the results of pipe flownumerical experiments.
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