A Comprehensive Set of Code Validation Data for Planing Boat Forces in Calm Water and Regular Waves
2007
Russell, Lauren | Ratcliffe, Toby | Fu, Thomas | Fullerton, Anne | Grimsley, Jennifer
Presented at the International Conference on Numerical Ship Hydrodynamics (9th) held in Ann Arbor, Michigan, on August 5-8, 2007. Published in the proceedings of the conference (unnumbered pages), 2007. The original document contains color images. This article is from ADA495720 International Conference on Numerical Ship Hydrodynamics (9th) held in Ann Arbor, Michigan, on August 5-8, 2007
Show more [+] Less [-]A model of a monohull planing boat (Model 5658) was towed on Carriage 5 at the Naval Surface Warfare Center, Carderock Division (NSWCCD). The objective of the test was to generate a planing hull data set that could be used in the development of Computational Fluid Dynamics (CFD) based design tools for high-speed planing craft. To accomplish this objective, a detailed set of experimental data was obtained on the model in both the fixed trim and free-to-sink-and-trim conditions. The experimental data includes six-component force and moment data with the model fixed in pitch to the carriage over a matrix of different keel lengths, drafts, and pitch angles, through an equivalent full scale speed range of 25-50 knots. The model was run free-to-sink-and-trim to obtain force measurements over a test matrix of varying displacements and longitudinal centers of gravity (LCG), In this condition, the model was tested over a speed range corresponding to 5-50 knots full scale. The fixed and free data was obtained in calm water and regular head-sea waves. Extensive video documentation of the flow around the hull forms was obtained in conjunction with the measurements obtained on the model.
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