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3 cards from this section. Quick, good the night before a test.
What is the Laplace Equation used for?
Think about fluid mechanics.
What do equipotential lines represent?
Consider their role in hydraulic head.
What does the Laplace equation help to determine?
Think about what it models in physics.
Two flow lines can intersect with each other.
Recall the flow net properties.
A flow net shows three equipotential lines and two flow lines. Calculate how many flow channels exist.
Count the spaces created between the lines.
A soil has a permeability of 5 m/day, and the distance between equipotential lines is 0.5 m. Calculate the flow rate through a flow channel with a total head drop of 2 m.
Substitute the values into the flow equation.
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