Sketch uploaded as requested.
To explain a bit further: there is an existing rectangular channel with a flume at the downstream end. The flume controls the flows passed forward due to weirs upstream.
The weirs run longitudinally along both sides of the channel and so I've called these "double...
I'm currently designing an Inlet Works at an existing Wastewater Treatment Works. I've been asked to investigate re-using the existing Inlet Works and to do this I need to calculate the head over a double sided weir in order to determine the depth of flow at the downstream flume.
I can find...