Flow Measurement

Flow measurement at turnout

Reliable and accurate flow measurement techniques are essential for irrigation districts, farmers, and other agricultural and environmental water users at key points in their water distribution and delivery systems. To this end, ITRC has:

Tested and reported on various flow measurement technologies. Information can be found on the Flow Report Database page.
Designed, constructed, and calibrated a portable Irrigation Turnout Calibration Unit (ITCU) to calibrate flow measurments for existing and new irrigation turnouts supplied by open canals.
Widened the application of Replogle flumes in irrigation projects
Worked side-by-side with manufacturers to create new flow measurement devices, most notably:
Developed indexing procedures for calculating flow rates in canals and at non-standard flow measurement structures
Created guidelines for canal flow rate measurement with hydroacoustic meters, which provide remote velocity sampling and integrated flow measurement based on the Doppler shift.
Designed and tested a subcritical contraction design for flow measurement with ADVMs
Designed and implemented a system to test and rate flow measurement equipment based on reliability, costs, advantages/disadvantages, ease of use, required support equipment, and required maintenance