Friction Factor and Patterns in Armor Coats

by Johannes Gessler, Colorado State Univ, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


Recent observations of friction factors at armor coat forming discharges suggest the presence of distinct geometric patterns in the locations of the coarsest grains in armor coats. A statistical tool is suggested to prove the existence of such patterns. The tool is tested, using a computer simulation of the armor coat forming process.

Subject Headings: Friction | Armor units | River and stream beds | Grain (material) | Open channels | Hydraulics | Statistics | Geometrics

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