You can design a pipe to carry the peak flow of the current Inflow
hydrograph. If no hydrograph has been calculated you can specify a
desired constant flow.
For the peak flow you will be shown a table of
diameters, gradients and average velocities which represent a
feasible design. You can either choose one of these
diameter-gradient pairs by double clicking on a row in the table
or you can enter explicit values for diameter and gradient.
MIDUSS carries out a uniform flow analysis and reports the
actual and relative depth, velocity, pipe capacity and also the critical depth. You can
experiment by changing either the pipe roughness (i.e. the Manning
'n') or the diameter or gradient and press the [Design] button to
see the results.
There is more pipe information in our FAQ section.