1. 3502 Review 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 z air water h4h4 1 2 3 4 h2h2 h3h3 D1D1 D4D4 If we set p 4 = vapor pressure (incipient cavitation condition) We can SOLVE

2. If plate is rectangle, Area = length x breath, A = l x b. I = (b x l 3) /12 p0p0 p0p0 Balancing force on Gate is Forces on Gates hchc --h c depth to centroid Point of application—slant distance to free-surface Dimension into page If plate is ellipse, Area =  a x b, I = (  b x a 3) /4 Fig A1 y c Slant distance to centroid ycyc

3. p0p0 p0p0 Forces on Gates—Subtleties h water Oil S < 1 Use SAME Formulas But use Modified height Other Fluid Layer of uniform thickness h oil h water Pressurized Gas Chamber Gate connected to a pressurized gas chamber 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