Ключевые слова:
Liquid flow, Weirs (measurement), Field testing, Rectangular shape, Water, Trapezoidal shape, Flow measurement, Flow, Conduits (hydraulic), Flowmeters, Channel flow, U-shape, Notches, Rivers, Estimation, Flumes (measurement), Calibration, Error analysis, Installation, Flow rates, Accuracy, Hydrology, Dimensions, Liquid-level measurement, Rate flowmeters, Selection