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Unformatted text preview: 2 of 2 V h 1 2 d 3. The Pitot tube measures the fluid flow velocity by converting the kinetic energy of the flow into potential energy, as shown in the figure. V h Derive the relationship between the fluid flow velocity ( V ) and the fluid height ( h ) in the Pitot tube using Burnoulli Equation. Solution: The Burnoulli equation is 2 2 2 2 1 2 1 1 2 2 gy v p gy v p + + = + + Consider the pressure and fluid velocity at point 1 and 2 as shown in the right figure, @ Point 1 gd p p a + = 1 V v = 1 1 = y @ Point 2 a p p = 2 2 = v h d y + = 2 Then, ( ) h d g p V gd p a a + + = + + 2 2 gh V 2 2 =...
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- Fall '08