PERMFILE137429

• Permit No: M1998014
• IBM Index Class Name: Permit File
• Doc Name: CHANNEL CALCULATOR
• Media Type: D
• Archive: No

• • III iillllllliiillii
999
Chplmi . t::t
Channel Calculator
PH A3E 1 CHANP;c= FOR PII PIING OPERATIONS
Given Input Da.a:
Shape .................... ....... Trapezoidal
Solving for .............. ....... Depth of Fiow
Elowrate ................. ....... 27.00 cfs
Slope .................... ....... 0.01 ft/ft
Manning's n .............. ....... 0.02
Height ................... ....... 20.00 in
Bottom width ............. ........ 29.00 in
Left slope ............... ....... 2.00 ft/ft
Right slope .............. ....... 2.00 ft/ft
Computed Results:
Depth .................... ....... 13.39 in
Velocity ................ ........ 5.72 fps
Flow area ............... ........ 4.721 ft2
Flow perimeter ........... ....... 83.87 in
Hydraulic radius ........ ........ 8.10 in
Top width ............... ........ 77.55 in
Area ..................... ....... 8.889 ft2
Perimeter ............... ........ 113.94 in
Percent full ............ ........ 66.94 4
Critical Information
Critical depth ............... ... 19.57 in
Critical slope ............... ... 0.01 ft/ft
Critical velocity ............ ... 5.02 fps
Critical area ................ ... 5.376 ft2
Critical perimeter ........... ... 69.15 in
Critical ::^.ydraulic radius .... ... 8.68 in
Critical top width ........... ... 82.27 in
Specific energy .............. ... 1.62 ft
Minimum energy ............... ... 1.82 ft
Froude n umber ................ ... 1.18
Flow con dition ............... ... Super critical
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