Darcy's Law Using Hydraulic Gradient
Darcy's law is an equation that describes the flow of a fluid through a porous medium.
Darcy's law states the flow rate equals the product of the area, hydraulic gradient and hydraulic conductivity.
Formula
![Copy to Clipboard QuantityVariable["Q", "VolumeFlow"] == QuantityVariable["A", "Area"]*QuantityVariable["i", "Unitless"]*QuantityVariable["K", "Speed"]](https://www.wolframcloud.com/objects/resourcesystem/marketplacestorage/resources/f9e/f9ed711c-2b55-4c5d-941d-80e6c59c446b/Webpage/FormulaImage.png)
| symbol | description | physical quantity |
|---|---|---|
| Q | flow rate | "VolumeFlow" |
| A | area | "Area" |
| i | hydraulic gradient | "Unitless" |
| K | hydraulic conductivity | "Speed" |
Forms
Examples
Get the resource:
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| Out[1]= | ![]() |
Get the formula:
| In[2]:= |
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Use some values:
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![FormulaData[
ResourceObject[
"Darcy's Law Using Hydraulic Gradient"], {QuantityVariable[
"i","Unitless"] -> 0.001`,
QuantityVariable["K","Speed"] -> Quantity[0.3`, ("Feet")/("Days")]}]](images/f9e/f9ed711c-2b55-4c5d-941d-80e6c59c446b-io-3-i.en.gif)