Palmer-Bowlus meters

Input data

Diameter

Height

Output data

Flow

Description

Palmer-Bowlus meters are devices used to measure flow rates in open channels. Based on the width of the Palmer-Bowlus flume throat and the liquid height, the system calculates the flow.

Palmer BowlusPalmer Bowlus

Palmer-Bowlus Meter Parameters

D
D/2
H
R
L1
L2
C
y
4"
2"
6"
2/3"
17"
10"
4 5/8"
1 13/16"
6"
3"
8"
1"
25"
14"
6 5/8"
2 13/16"
8"
4"
10"
1 1/3"
33"
18"
8 5/8"
3 13/16"
10"
5"
12"
1 2/3"
41"
22"
10 5/8"
4 13/16"
12"
6"
14"
2"
49"
26"
12 5/8"
5 13/16"
15"
7 1/2"
17"
2 1/2"
61"
32"
15 5/8"
7 5/16"
18"
9"
20"
3"
73"
38"
18 5/8"
8 13/16"
21"
10 1/2"
23"
3 1/2"
85"
44"
21 5/8"
10 5/16"
24"
12"
26"
4"
97"
50"
24 5/8"
13 5/16"
27"
13 1/2"
29"
4 1/2"
109"
56"
30 5/8"
13 5/16"
30"
15"
32"
5"
121"
62"
30 5/8"
14 13/16"
36"
18"
38"
6"
145"
74"
36 5/8"
16 13/16"
42"
21"
44"
7"
169"
86"
42 5/8"
20 13/16"
48"
24"
50"
8"
193"
98"
48 5/8"
23 13/16"

 

Parameter Table

Parameter
Standard Units
Description
Diameter
inches (in)
Width of the flume throat
Height
meters (m)
Height of the liquid above the bottom
Flow
liters/second (L/s)
Amount of liquid flowing per second

Note: Accurate measurement of height and diameter is essential for precise flow calculation.