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3 cards from this section. Quick, good the night before a test.
What does the discharge coefficient (Cd) represent?
Think about what happens during fluid flow in pipes.
What is a basic formula for calculating flow rate (Q) through an orifice?
Identify each variable in the formula.
What does the discharge coefficient (Cd) correct?
Think about what happens in a pipe during fluid flow.
True or False: An orifice is solely used for free jet flow.
Consider where orifices are commonly found.
In a pipeline, the orifice has a Cd value of 0.75. Calculate the flow rate if the diameter is 6 cm, the height of the fluid is 10 m, and the cross-sectional area equals 28.27 cm².
Remember to convert values where necessary for uniformity.
A pressurized tank has an orifice diameter of 12 cm and oil with a density of 850 kg/m³ flows through. If the pressure difference across the orifice is 3000 Pa, find Q assuming Cd is 0.9.
Make sure to pay attention to unit conversions.
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