darcy
| Symbol: | |
| Category: | Hydrodynamic permeability |
| SI Equivalent: | 9.86923×10-13 m2 |
| Dimension: | L2 |
| System: | cgs |
| Notes | |
| Named after H. Darcy (1803-1858), one darcy corresponds to the volume of a liquid with a dynamic viscosity of 1 centipoise flowing through a porous material with a cross section of 1 cm2 in 1 second when undergoing a pressure drop of 1 atm/cm. This unit was used in hydrology and civil engineering to measure the permeability of porous materials. | |
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1 darcy =
