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2150EX Area Velocity Flow Module
Section 3 Programming
Conversion Type
Area Velocity
Channel Shape
Level-to-area
Data Points
Level to Flow
Weir
Flume
Flow Metering Insert
Manning Formula
Equation
Level-to-Flow Rate
Data Points
3-6
Table 3-1 Flow Conversion Methods
Device, Formula, or Table
Area × Velocity
User-developed Table
V-Notch Weir
Rectangular Weir with end con-
tractions
Rectangular Weir without end
contractions
Thel-Mar
Cipoletti Weir
Parshall Flume
Palmer-Bowlus Flume
Leopold-Lagco
"HS" Flume
"H" Flume
"HL" Flume
Trapezoidal Flume
V-notch
Round Orifice
Round Pipe
U-Channel Pipe
Rectangular Pipe
Trapezoidal
Flow = 0.00*(Head^0.00) + 0.00*(Head^0.00)
User-developed tables for
level-to-flow rate
Size or Parameters
Round Pipe, U-Channel, Rectan-
gular, Trapezoidal, Elliptical
3 to 50 data points
22.5, 30, 45, 60, 90, 120 degrees
Crest Length
Crest Length
6, 8, 10, 12-14, 15-16 inches
Crest Length
1, 2, 3, 6, 9 inches
1, 1.5, 2, 3, 4, 5, 6, 8, 10, 12 feet
4, 6, 8, 10, 12, 15, 18, 21, 24, 27,
30, 48 inches
4, 6, 8, 10, 12, 15, 18, 21, 24, 30
inches
0.4, 0.6, 0.8, 1.0 feet
0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4.5 feet
4.0 feet
Large 60-degree V
Extra Large 60-degree V
2-inch, 45-degree WSC
12-inch, 45-degree SRCRC
6, 8, 10, 12 inches
6, 8, 10, 12 inches
Slope, Roughness, Diameter
Slope, Roughness, Width
Slope, Roughness, Width
Slope, Roughness, Bottom Width,
Top Width
3 to 50 data points
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