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3 cards from this section. Quick, good the night before a test.
What does the coefficient of discharge (C_d) represent?
Think about how we measure how 'efficient' the flow is.
If C_d is 1, what does that signify?
Consider ideal flow conditions.
What represents the coefficient of discharge (C_d)?
Think about efficiency in flow measurements.
True or False: A coefficient of discharge greater than 1 indicates energy losses.
Recall the ideal flow conditions.
An orifice in a tank has a theoretical discharge of 25 m³/hr but measures only 15 m³/hr when tested. What is the coefficient of discharge, and what design modifications could improve performance?
Reflect on ways to mitigate friction losses.
If a venturi meter indicates an actual discharge of 50 m³/s with a C_d of 0.9, what is its theoretical discharge? Discuss what factors could affect this in practice.
Consider how the design of the venturi influences flow.
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