Equivalent Roughness for Shallow Channelby Muthusamy Krishnamurthy, (A.M.ASCE), Grad. Res. Asst.; Coastal and Oceanographic Engrg., Univ of Florida, Gainesville, FL,
Bent A. Christensen, (M.ASCE), Prof.; Coastal and Oceanographic Engrg., Univ. of Florida, Gainesville, FL,
Serial Information: Journal of the Hydraulics Division, 1972, Vol. 98, Issue 12, Pg. 2257-2263
Document Type: Journal Paper
Channel sections with different roughnesses along the water perimeter are often encountered in design problems. Typical design problems include partly lined canals and tunnels with different construction materials used at the bottom and the side. It is necessary to compute the equivalent roughness coefficient for any hydraulic computation in open channels and in channels with ice cover. Two formulas have been developed herein for the equivalent roughness coefficient in shallow open-channel flow.
Subject Headings: Hydraulic roughness | Construction materials | Open channels | Hydraulic design | Tunnels | Computing in civil engineering | Canals
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