Aerofoil and lift · Question 9 of 12
What does Bernoulli's equation state for a flow without friction?
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Answer
- A If the speed increases, the static pressure decreases
Explanation
According to Bernoulli, the total pressure of static and dynamic pressure remains constant. If the flow becomes faster, the dynamic pressure rises and the static pressure falls. This creates the low pressure on the upper surface of the aerofoil and in the throat of a venturi.