Open Channel Flow Measurement/V Notch Weir Calculations with Excel Spreadsheet Templates

Download our Excel spreadsheet templates to make open channel flow measurement calculations for use with V notch weir data. We allow input of data for height of the V notch weir vertex above the channel invert, P; the distance from the open channel wall to the V notch edge at the top of the overflow, S; the maximum expected head over the weir, Hmax; and the measured head over the weir, H.