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Chief Channel- Design <br />Worksheet for Trapezoidal Channel <br />Project Description <br />Project File <br />c:\haestad \academic \fmw \mayday -i.fm2 <br />Worksheet <br />Chief Channel- Design <br />Flow Element <br />Trapezoidal Channel <br />Method <br />Manning's Formula <br />Solve For <br />Discharge <br />Input Data <br />Mannings Coefficient <br />0.040 <br />Channel Slope <br />0.050000 ft/ft <br />Depth <br />2.00 ft <br />Left Side Slope <br />3.000000 H: V <br />Right Side Slope <br />3.000000 H : V <br />Bottom Width <br />5.00 ft <br />Results <br />Discharge <br />211.66 cis <br />Flow Area <br />22.00 ft <br />Welted Perimeter <br />17.65 ft <br />Top Width <br />17.00 ft <br />Critical Depth <br />2.44 ft <br />Critical Slope <br />0.021316 Rift <br />Velocity <br />9.62 ft/s <br />Velocity Head <br />1.44 ft <br />Specific Energy <br />3.44 ft <br />Froude Number <br />1.49 <br />Flow is supercritical. <br />• <br />08/24110 Academic Edition FlowMaster v5.17 <br />04:34:47 PM Haestad Methods, Inc. 37 Brookside Road Waterbury, CT 06708 (203) 755 -1666 Page 1 of 1 <br />