Laserfiche WebLink
<br />Lesson 2 <br /> <br />Basic Hydraulics - Participant Workbook <br /> <br />~ <br /> <br />SPECIFIC ENERGY DIAGRAM <br />0'" <br />~0 <br />,Cl' '., <br />;,..~ /-X\o"f' <br />0# /~0o' <br />/C;...1> <br />/.c~ <br />/d~ <br /> <br />SUpercritical Flow <br /> <br />;: <br />o <br />-' <br />u. <br />u. <br />Ode <br />:!: <br />~ <br />W <br />C <br /> <br /> <br />2 <br />SPECIFIC ENERGY = Y + :L <br />29 <br /> <br />2.6 Specific Energy Diagram <br /> <br />The specific energy is defined as: <br /> <br />V2 <br />H=y+- <br />2g <br /> <br />2.2b <br /> <br />where: <br /> <br />H = specific energy (ft) <br />y = depth of flow (ft) <br />V = average velocity of flow (fps) <br />g = acceleration of gravity (32.2 ft/s2) <br /> <br />c. Momentum <br /> <br />MOMENTUM EQUATION <br /> <br />HYDRAULIC JUMP <br /> <br />I <br /> <br />L F, = P Q (~2V'2 - ~,v,,) <br /> <br /> <br />Y2 = 0.5 Y1H1 + 8Fr2 - 1) <br /> <br />2.7a Momentum Equation <br /> <br />2.8b Hydraulic Jump <br /> <br />The momentum equation is <br /> <br />k Fx = p Q (~2VX2 - ~,vxl) <br /> <br />2-3 <br /> <br />2-6 <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />