Sigma 980 - Page 114

Page 112
Working with Primary Devices
Appendix A
Figure 52 Palmer-Bowlus Flume (with Integral Approach)
FLOW
FLOW
Submerged Probe
(Preferred Head Measurement Point)
Preferred Head Measurement Point
"D"
Conduit Diameter
2
Lower
Transition
Throat
Water Surface
Small jump should occur here.
Upper Transition
Upstream Depth
Downstream Depth
Elevation View
Top View