Three Simple Flumes for Flow Measurement in Open Channels
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VIEW THE REPLYPublication: Journal of Irrigation and Drainage Engineering
Volume 143, Issue 6
Abstract
The design and calibration of three simple flumes for flow measurements in open channels are discussed. The flumes are designed based on principles of critical flow in open channels. Critical flow is created through the contraction of the flow cross section by installing vertical cylindrical columns in an open channel. Calibrated equations are developed for each of the three flumes by combining the Pi Theorem principle with laboratory scale physical models. The three flumes are designed for application in prismatic (trapezoidal, rectangular, and circular) channels. The calibrated equations can be used for design and calibration of the flumes regardless of the flumes or channel dimensions. The equations are validated using field scale flumes, and a design example is provided for free flow conditions.
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Journal of Irrigation and Drainage Engineering
Volume 143 • Issue 6 • June 2017
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This work is made available under the terms of the Creative Commons Attribution 4.0 International license, http://creativecommons.org/licenses/by/4.0/.
History
Received: Jul 7, 2016
Accepted: Oct 28, 2016
Published ahead of print: Feb 8, 2017
Published online: Feb 9, 2017
Published in print: Jun 1, 2017
Discussion open until: Jul 9, 2017
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