Darcy's Law for Fluid Flow in Porous Media


Output: Press calculate


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Formula:Q = K × i × A

Introduction to Darcy's Law Calculator

Darcy's law is an equation that describes the flow of a fluid through a porous medium. This law states that the flow rate Q depends on the intrinsic permeability of the material K (Hydraulic Conductivity), the hydraulic gradient i, and the cross-sectional area A perpendicular to the flow. The hydraulic gradient is defined by the change in hydraulic head over the length of flow. Darcy's law is used in fields such as hydrogeology, soil science, and petroleum engineering.

Parameter usage:

Example valid values:

Output:

Data validation

The hydraulic conductivity must be positive; it cannot be zero or negative. The cross-sectional area must also be greater than zero, and the hydraulic gradient cannot be zero to have a flow.

Summary

This calculator uses Darcy's Law to relate the hydraulic properties of a porous medium to the fluid flow rate through it. It is widely applied in the fields of groundwater and petroleum flow through porous substrates.

Tags: Fluid Mechanics, Porous Media, Darcy S Law, Hydrogeology, Permeability