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Water Flows from left to right through the restriction. Given the geometric measures of height h and diameter D Write down all the equations that can be used to find the pressure and velocities at the points indicated. air. 2. water. 3. h 2. D 4. 4. h 3. z. h 4. 1. D 1. 3502 Review.
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Water Flows from left to right through the restriction. Given the geometric measures of height h and diameter D Write down all the equations that can be used to find the pressure and velocities at the points indicated air 2 water 3 h2 D4 4 h3 z h4 1 D1 3502 Review If we set p4 = vapor pressure (incipient cavitation condition) We can SOLVE
Forces on Gates p0 hc yc p0 Balancing force on Gate is --hc depth to centroid Point of application—slant distance to free-surface yc Slant distance to centroid Dimension into page If plate is rectangle, Area = length x breath, A = l x b. I = (b x l3) /12 Fig A1 If plate is ellipse, Area = pa x b, I = (pb x a3) /4
Forces on Gates—Subtleties Gate connected to a pressurized gas chamber Other Fluid Layer of uniform thickness hoil p0 Oil S < 1 hwater hwater p0 Pressurized Gas Chamber Use SAME Formulas But use Modified height Use SAME Formulas But use Modified height Ce 3502 In class mid sem. quiz, Oct 11, 2007: Open Book/Note Answer on Exam sheet Name: Voller 1
