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Stagnation pressure or the total pressure is the sum of _________

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Stagnation pressure or the total pressure is the sum of _________

(a) Kinetic and potential energy

(b) Static and dynamic pressure

(c) Kinetic energy +potential energy +gravity

(d) Cannot be determined

I have been asked this question during an interview.

Query is from Bernoulli’s Equation topic in chapter Inviscid & Incompressible Flow of Aerodynamics

1 Answer

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Correct option is (b) Static and dynamic pressure

The explanation is: The total pressure or stagnation pressure is the sum of static and dynamic pressure. Let p0 be the total pressure, ps be the static pressure and pd be the dynamic pressure.

               Therefore, p0 = ps + pd.

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