The Navy is developing a numerical solution that uses the Chimera RANS/free-surface technique to address the critical features of transient flow around a berthing ship. Experimental data required to validate the ship berthing model were collected during scale model tests conducted at a shallow water model basin. The test setup included a towing carriage traveling on rail guides used to power a scale model barge toward the modeled quay wall. The test matrix included three different values of water depth, approach speed, and approach angle. Acoustic doppler velocity meters were used to measure water particle velocity. The scale model barge was found to draw a significant volume of water behind, and push a measurable volume before, as it approached the quay wall.
Measurement of Transient Flow Induced by a Berthing barge
1998
44 pages
Report
Keine Angabe
Englisch
Marine Engineering , Fluid Mechanics , Transients , Flow , Ship models , Barges , Velocity , Angles , Experimental data , Hydrodynamic characteristics , Scale models , Acoustic waves , Numerical analysis , Test methods , Depth , Shallow water , Particles , Model tests , Measuring instruments , Acoustic velocity , Doppler effect , Towing , Model basins , Transient flow
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