Pipe Flow Expert - Basic Pump Modeling
Adding a pump in a pipe system: as a fixed flow pump (where the software calculates the pump head required), or as a fixed head [pressure increase] pump (where the software calculates the flow rate that will occur), or as a fixed speed pump that operates on a flow versus head performance curve.
Note: If the video quality playing in the YouTube window is not sharp then click on the Settings cog in the YouTube window and select Quality -> 1080p