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Physics
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Fluid Mechanics
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Bernoulli's Principle
Bernoulli's Principle
In fluid dynamics, an increase in the speed of a fluid occurs simultaneously with a decrease in static pressure or a decrease in the fluid's potential energy.
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The statement of the theorem
P
+
1
2
ρ
v
2
+
ρ
g
h
=
constant
P + \frac{1}{2}\rho v^2 + \rho gh = \text{constant}
P
+
2
1
ρ
v
2
+
ρ
g
h
=
constant
along a streamline.