تعيين دبي در كانال ها بوسيله فلوم رپلاگل

Determination of discharge rate in canals by replogle flume

Flow measurement is the basis of water distribution and management in the irrigation network, which is determined accurately by appropriate tools. In this paper, application of the Reploge flume was used for measuring and evaluating discharge rate as a measuring flume. A mathematical model has been defined for computing the stage - discharge relationship, and then it was compared with physical model data. Ideal flow (Qi) is supposed by mathematical model and boundary layer theory was used to determine energy losses. The actual discharge was computed with ideal discharge (Qi); energy losses and velocity coefficient. A satisfactory result was obtained in comparing physical and mathematical model data. Therefore it is recommended that the flume to be used in irrigation network in Iran.