Experimental data are provided for physical understanding and computational fluid dynamics (CFD) validation for the surface combatant David–Taylor model basin Model 5415 bow and shoulder wave breaking. A photographic study was conducted using replica and geosim models of Model 5415 over a range of Froude numbers (Fr) to identify Fr and scale effects on wave breaking and choose the best Fr for the local flow measurements, which include near- and far-field means and rms wave elevation and mean velocity under the breaking waves. The larger model and were selected due to the large extents of quasisteady plunging bow and spilling shoulder wave breaking. A direct correlation is shown between regions of wave slope larger than and regions of large rms in wave height variation. Scars characterized by sudden changes in the mean wave height and vortices induced by wave breaking were identified. Complementary CFD solutions fill the gaps in the relatively sparse measurements enabling a more complete description of the bow and shoulder wave breaking and induced vortices and scars. The combined results have important implications regarding the modeling of the bubbly flow around surface ships, especially for bubble sources and entrainment.
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November 2007
Technical Papers
Scars and Vortices Induced by Ship Bow and Shoulder Wave Breaking
A. Olivieri,
A. Olivieri
INSEAN,
National Ship Research Institute
, Via di Vallerano 139, 00128 Rome, Italy
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F. Pistani,
F. Pistani
INSEAN,
National Ship Research Institute
, Via di Vallerano 139, 00128 Rome, Italy
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R. Wilson,
R. Wilson
IIHR, Hydroscience & Engineering,
The University of Iowa
, Iowa City, Iowa 52242-1585; UT SimCenter, The University of Tennessee at Chattanooga
, Chattanooga, TN 37403
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E. F. Campana,
E. F. Campana
INSEAN,
National Ship Research Institute
, Via di Vallerano 139, 00128 Rome, Italy
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F. Stern
F. Stern
IIHR, Hydroscience & Engineering,
The University of Iowa
, Iowa City, IA 52242-1585
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A. Olivieri
INSEAN,
National Ship Research Institute
, Via di Vallerano 139, 00128 Rome, Italy
F. Pistani
INSEAN,
National Ship Research Institute
, Via di Vallerano 139, 00128 Rome, Italy
R. Wilson
IIHR, Hydroscience & Engineering,
The University of Iowa
, Iowa City, Iowa 52242-1585; UT SimCenter, The University of Tennessee at Chattanooga
, Chattanooga, TN 37403
E. F. Campana
INSEAN,
National Ship Research Institute
, Via di Vallerano 139, 00128 Rome, Italy
F. Stern
IIHR, Hydroscience & Engineering,
The University of Iowa
, Iowa City, IA 52242-1585J. Fluids Eng. Nov 2007, 129(11): 1445-1459 (15 pages)
Published Online: June 7, 2007
Article history
Received:
April 17, 2006
Revised:
June 7, 2007
Citation
Olivieri, A., Pistani, F., Wilson, R., Campana, E. F., and Stern, F. (June 7, 2007). "Scars and Vortices Induced by Ship Bow and Shoulder Wave Breaking." ASME. J. Fluids Eng. November 2007; 129(11): 1445–1459. https://doi.org/10.1115/1.2786490
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