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the head energy loss in the piping system between points 1 and 7 is the most nearlysolution 3 ft the difference between point 1 and point 7 10 fnoft
define hydraulic grade line hglgraph of the sum of the pressure and potential energies at a position along a pipe or open channel the difference
explain energy grade line eglgraph of the sum of the potential pressure and kinetic energies along a pipe or open channel energies are plotted along
explain the steady and uniform flowsteady flow flow quantity does not change over timeuniform flow the slopes of the energy grade line s dedl the
explain chezy manning equationv 149n r067s05 r hydraulic radius ft area wetted perimeter r d4 for circular channels full and one-half
determine the hydraulic radius r for a rectangular open channel with dimensions of 6 ft wide and 4 ft high side walls flowing at a depth of 3
explain the wetted perimeterp the linear length of the interface between the fluids cross-sectional plane edges in contact with the pipe or channel
cross-sectional area of flow ft2 a for rectangular channels wd for trapezoidal channels divide the flow area into two side triangles and one center
explain the hydraulic radiusr a fluids cross-sectional area in flow divided by the wetted perimeter for a circular channel flowing full and frac12
explain the bernoulli energy equationaccounts for the fluid energy at any point in a fluid flow system units are in ft developed for energy without
define continuity equationmass in fluid systems is always conserved rho1v1 2v2 if the fluid density is the same at both points in the flow
define unit hydrographhydrograph of one inch or 1cm of precipitation over a drainage basin area watershed it is the base hydrograph from which other
define the usage of data from hydrographs flow rates and volume quantities over time predictions based on the runoff flow rates the characteristics
define unit hydrographunit hydrograph the hydrograph developed for a drainage basin watershed from the runoff of a 1 in or 1 cm storm it is the base
explain the watersheds - hydrologythe surface area on which runoff generated will flow to a common stream or body of water by gravity often separated
explain detention or retention pondsdetentionretention ponds designed to reduce and contain the peak runoff from developed areas more impervious
explain the runoffrunoff flowing water from precipitation or snow melt which travels overland by gravity to a depression stream or other body of
explain the erosion and sedimentationerosion removal of soil or other channel material caused by the rapid movement of water over the channel surface
explain transpiration and infiltrationtranspiration the part of evaporation in which water vapor enters the atmosphere through the plants the
explain hydrology and evaporationhydrology study of the circulation of water in nature evaporation water in the liquid state transforms to
define pressure on an inclined planesimilar to a vertical plane fluid pressure increases linearly with increasing depth the average pressure on an
define the pressure on a vertical planefluid pressure increases linearly with increasing depth the average pressure on a vertical plane occurs at the
pressure at any point on the surface of a horizontal plane fluid pressure is the same at any point on the horizontal plane because1 the fluid
define the vapor pressurethe partial pressure exerted at the surface of a liquid at the liquidvapor interface the liquid molecules are released into
explain the kinematic viscosityratio of a fluids viscosity to the same fluids density greek symbol nu nu nu murho absolute viscositymass