PERMFILE137429

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

Chp3m_.[xt
C'r.aanel Calculator
PHASE 3 L"H P.CIN EL FOR MINING OPE ~aTIONS
Given Input Data:
Shape .................. ......... Trapezoidal
Solving for ............ ......... Depth of Flow
Flowrate ............... ......... 20.0 cfs
Slope .................. ......... O.Gi ftlft
Mapping's n ............ ......... 0.02
Height ................. ......... 18.00 in
Bottom width ........... ......... 24.00 in
Left slope ............. ......... 2.00 fc/ft
Right slope ............ ......... 2.00 ft/ft
Computed Results:
Depth .................. ......... 11.71 in
Velocity ............... ......... 5.32 fps
Flow area .............. ......... 3.874 ft2
Flow perimeter ......... ......... 76.35 in
Hydraulic radius ....... ......... 7.27 in
Top width .............. ......... 70.82 in
Area ................... ......... 7.500 it2
Perimeter .............. ......... 104.50 in
2ercent full ........... ......... 65.03 A
Critical Information
Critical depth ......... ......... 12.65 in
Critical slope ......... ......... 0.01 ft/ft
Critical velocity ...... ......... 4.73 fps
Critical area .......... ......... 9.330 ft2
Critical perimeter ..... ......... 80.57 in
Critical hydraulic radiu s ....... 7.74 i^.
Critical top width ..... ......... 79.60 in
Specific energy ........ ......... 1.42 ft
Minimum energy ......... ......... 1.58 ft
Froude number .......... ......... 1.16
Flow condition ......... ......... Supercritical

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