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Last modified
9/17/2018 2:30:57 PM
Creation date
10/27/2015 1:57:22 PM
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Reference Library
Title
IRRIGATIONIST SYMPOSIUM: INTRODUCTION TO LONG-THROATED FLUMES (RAMP FLUMES), BROAD-CRESTED WEIRS AND WINFLUME
Author/Source
TONY WAHL
Keywords
FLUME, LONG-THROAT, WEIR, FLOW DEVICE, PARSHALL FLUME, CALIBRATION, SUBMERGE, ACCURACY
Document Type - Reference Library
Presentations
Document Date
3/15/2012
Year
2012
Team/Office
Division 1 Office
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Submergence of Flumes and Weirs <br />•h2/h1 or hb/ha is the <br />submergence ratio <br />•Sharp-crested weirs <br />–NO SUBMERGENCE <br />ALLOWED <br />•Parshall flume <br />–Some submergence <br />allowed, 50-80% <br />•Long-throated flume <br />and broad-crested weir <br />–Most submergence <br />allowed, 80-95%
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