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10/03/12 FlowMaster v5.17Academic Edition

Worksheet for Irregular Channel

SUMIDERO PUNTO 9

Project Description

Project File c:\haestad\academic\fmw\punto 9.fm2

Worksheet Punto de Sumidero 9

Flow Element Irregular Channel

Method Manning's Formula

Solve For Water Elevation

Input Data

Channel Slope 0.3292 %

Elevation range: 428.840 m to 429.100 m.

Station (m) Elevation (m) Start Station End Station Roughness

0.00 429.10 0.00 7.50 0.016

0.00 428.90

7.50 428.84

7.50 429.04

Discharge 461.280 l/s

Results

Wtd. Mannings Coefficient 0.016

Water Surface Elevation 428.96 m

Flow Area 0.66 m²

Wetted Perimeter 7.68 m

Top Width 7.50 m

Height 11.80 cm

Critical Depth 428.94 m

Critical Slope 0.006169 m/m

Velocity 0.70 m/s

Velocity Head 0.02 m

Specific Energy 428.98 m

Froude Number 0.75

Flow is subcritical.