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4 cards from this section. Quick, good the night before a test.
What is an orifice meter?
Think about how the flow is measured.
What does Bernoulli's equation relate?
Consider the properties of fluid under motion.
What is the primary function of an orifice meter?
Consider how fluids are physically measured.
True or False: The coefficient of discharge is a measure of the ratio of actual discharge to theoretical discharge.
Think about what 'coefficient' means.
An orifice meter measures the flow of water with a theoretical discharge of 120 L/s. If due to turbulence, the actual discharge is recorded at 100 L/s, calculate the coefficient of discharge.
Make sure to use the ratio formula correctly.
A pipeline has a flow with velocity profiles that follow a parabolic distribution. If the velocity at the center is 3 m/s and the average velocity calculated was 2.5 m/s, determine the kinetic energy correction factor (α).
Think about what happens to velocities in different flow regimes.
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