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Influence Of Supply-Channel Velocity On Farm Delivery Meter Gate Flow Measurement, Daniel J. Howes, Charles M. Burt, John M. Thorburn
Influence Of Supply-Channel Velocity On Farm Delivery Meter Gate Flow Measurement, Daniel J. Howes, Charles M. Burt, John M. Thorburn
BioResource and Agricultural Engineering
The work presented here is an extension of previous papers that updated the calibration of round (Armco-type) meter gates (three sizes: 0.30, 0.46, and 0.61 m), developed ratings for rectangular gates (two sizes: 0.46 and 0.61 m) on round pipes, and examined errors and uncertainty related to using these devices for water discharge measurement. Previous works examined gate discharge ratings under low supply-channel flow velocity perpendicular to the gate discharge pipeline. Here, additional testing was conducted to test the hypothesis that higher velocities in the supply channel would show decreased meter gate flow compared to the low-velocity ratings, but that …