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2 cards from this section. Quick, good the night before a test.
What is Poiseuille's Law?
Remember the formula relates flow rate to pressure drop.
What Reynolds number indicates laminar flow?
It helps determine if the flow is smooth.
What does Poiseuille's Law relate?
Think about how viscosity affects movement through a pipe.
True or False: The Darcy friction factor for laminar flow is constant.
Recall the formula and its context.
If an oil with a viscosity of 0.5 Ns/m² flows through a 0.03 m diameter pipe at a 15° incline, what pressure drop is needed for a flow rate of 5 x 10⁻⁵ m³/s?
Ensure to convert angle to radians and use density of oil.
A pipe 10 m long has two sections, one horizontal and the other inclined. If the horizontal section requires a pressure drop of 15 kPa, what additional pressure drop is required for the incline if θ is 20°?
Apply each equation separately and combine at the end.
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