Study on Flow of Non-newtonian Power-law Fluids in Porous Media

摘要

In this article, the porous media fluid flow experimental apparatus and five groups of solid particle parameters containing porous media are introduced. And the friction factor curve is drawn along with the change of Reynolds numbers according to the pressure drop-flow relationship. According to the flow resistance is divided into the laminar viscous resistance and the turbulent inertia resistance, the porous media flow resistance is divided into Darcy resistance and Forchheimer resistance. Compared experimental results with numerical computation, the effects of the governing parameters on the velocity profiles and pressure drops are discussed. The experimental results are close to the predicted values of friction factors from the numerical solution within a discrepancy of 15%, so it is reasonable to put forward the method of volume-averaging of flow in porous media and the relevant empirical relations.