
Darcy's experiment
Darcy's experiment, conducted by French engineer Henry Darcy in the 19th century, investigated how water flows through porous materials, like sand or gravel. He set up a system where water was forced through a column of sand at different pressures. By measuring the flow rate and pressure, he discovered a relationship known as Darcy's law, which describes how the speed of water flow is influenced by the pressure difference and the material’s properties. This work is foundational in fields like hydrogeology and engineering, helping us understand groundwater movement and the behavior of fluids in various media.