Sediment Movement Induced by Ships in Restricted Waterways
Sediment Movement Induced by Ships in Restricted Waterways
- New search for: Y. C. Liou
- New search for: J. B. Herbich
- New search for: Y. C. Liou
- New search for: J. B. Herbich
A numerical model using the momentum theory of the propeller and Shields' diagram was developed to study sediment movement induced by a ship's propeller in a restricted waterway. The velocity distribution downstream of the propeller was simulated by the Gaussian normal distribution function. The shear velocity and shear stress were obtained using Sternberg's formulas. Once the ship's speed, depth of the waterway, RPM and diameter of the propeller, and draft of the ship are given, the velocity distribution and the grain size of the initial motion could be obtained from this model. A computer program was developed to solve it. Case studies are presented to show the influence of significant factors on sediment movement at the channel bottom induced by a ship's propeller.
Document information
Sediment Movement Induced by Ships in Restricted Waterways
1976
99 pages
Report
No indication
English
Water Pollution & Control , Marine & Waterway Transportation , Sediment transport , Ships , Channels(Waterways) , Water pollution , Mathematical models , Waterways(Transportation) , Distribution functions , Bed load , Momentum , Shear stress , Marine propellers , Depth , Velocity , Graphs(Charts) , Sea Grant program
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