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Keywords: transition
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Journal Articles
J Ship Res 65 (01): 41–54.
Paper Number: SNAME-JSR-09180065
Published: 17 March 2021
... to remove the LLM, using local time averaging in the wall model, was suggested as an alternative to velocity sampling further away from the wall. For ship hydrodynamics, the modeling of the transition from laminar to TBL must also be considered for simulations including the complete hull. Transitionmodeling...
Journal Articles
J Ship Res 63 (04): 294–307.
Paper Number: SNAME-JSR-2019-63-4-294
Published: 01 December 2019
...Dongyoung Kim; Yagin Kim; Jiajia Li; Robert V. Wilson; J. Ezequiel Martin; Pablo M. Carrica We describe the implementation of several recently developed boundary layer transition models into the overset computational fluid dynamics code, REX, developed at the University of Iowa, together...
Journal Articles
J Ship Res 63 (03): 206–218.
Paper Number: SNAME-JSR-2019-63-3-206
Published: 01 September 2019
...Lars-Uve Schrader The resistance of ships is often dominated by friction between the hull and the water. This study explores possibilities of reducing skin-friction drag in a way inspired by dolphins. These possess a soft skin believed to diminish drag by delaying the transition from laminar...
Journal Articles
J Ship Res 63 (03): 198–205.
Paper Number: SNAME-JSR-2019-63-3-198
Published: 01 September 2019
... a 10% reduction of parasitic drag and 13% increase in lift-to-drag when the hull surface is smooth. The legacy glider, made up of a faired bow and a cylindrical hull, suffers from laminar separation and up to 100% increase in induced drag if the flow over its bow is prevented from transitioning...
Journal Articles
J Ship Res 41 (03): 210–223.
Paper Number: SNAME-JSR-1997-41-3-210
Published: 01 September 1997
... sequence of phenomena leading to cumulative broaching that involves a change in the stability of the ordinary periodic motion on the horizontal plane, a transition towards subharmonic response and, ultimately, a sudden jump to resonance. Possible means for controlling the onset of such undesirable behavior...
Journal Articles
J Ship Res 41 (01): 1–9.
Paper Number: SNAME-JSR-1997-41-1-1
Published: 01 March 1997
...T. Pichon; A. Pauchet; A. Astolfi; D. H. Fruman; J-Y. Billard It is by now well established that, for Reynolds numbers larger than those corresponding to the conditions of laminar-to-turbulent boundary layer transition over a flat plate (≈0.5 × 106) and for a variety of wing shapes and cross...
Journal Articles
J Ship Res 40 (01): 46–59.
Paper Number: SNAME-JSR-1996-40-1-46
Published: 01 March 1996
... Engineers Artificial Intelligence oscillation propeller rate fishing vessel naval architect rudder instability trough equation ship ship research Existence nominal froude number Japan transition march 1996 bifurcation initial condition crest Journal of Ship Research, Vol. 40, No. 1...
Journal Articles
J Ship Res 38 (01): 52–62.
Paper Number: SNAME-JSR-1994-38-1-52
Published: 01 March 1994
... good. 1 3 1994 1 3 1994 1994. The Society of Naval Architects and Marine Engineers dtrc 4119 Efficiency propeller blade torque prop 4119 panel method transition section drag coefficient march 1994 Boundary Layer formulation thrust smooth dtrc 4119 propeller drag...
Journal Articles
J Ship Res 36 (03): 268–279.
Paper Number: SNAME-JSR-1992-36-3-268
Published: 01 September 1992
... on boundary-layer transition and profile drag for two laminar-flow foils at zero and moderate leeway angles. Using the modified en-transition criterion it is shown that the level of small-scale oceanic turbulence is an important parameter in the design of a laminar-flow foil. At high turbulence levels...
Journal Articles
J Ship Res 34 (01): 38–47.
Paper Number: SNAME-JSR-1990-34-1-38
Published: 01 March 1990
.... By introducing an effective angle of attack, it is possible to obtain close agreement in the calculated and measured suction side pressure distortion as well as the locations of the boundary-layer separation and transition. 1 3 1990 1 3 1990 1990. The Society of Naval Architects and Marine...
Journal Articles
J Ship Res 33 (02): 145–155.
Paper Number: SNAME-JSR-1989-33-2-145
Published: 01 June 1989
... in viscous drag. Three foil shapes have been designed and it is shown that their hydrodynamic characteristics are very much dependent on location and mode of boundary-layer transition. The planform parameter which strongly affects the capabilities of the keel to achieve laminar flow is leading-edge sweep...
Journal Articles
J Ship Res 33 (01): 35–46.
Paper Number: SNAME-JSR-1989-33-1-35
Published: 01 March 1989
...P. M. Naghdi; M. B. Rubin The problem of the transition to planing of a boat, in the presence of the effect of spray formation at the boat's leading edge, is investigated using a nonlinear steady-state solution of the equations of the theory of a directed fluid sheet for two-dimensional motion...
Journal Articles
J Ship Res 27 (03): 147–157.
Paper Number: SNAME-JSR-1983-27-3-147
Published: 01 September 1983
... favorable pressure gradient transition clauser parameter reynolds number Shape Parameter virtual origin velocity profile Boundary Layer equation Journal of Ship Research, Vol. 27, No. 3, Sept. 1983, pp. 147-157 Journal of Ship Research Low-Reynolds-Number Turbulent Boundary Layers in Zero...
Journal Articles
J Ship Res 27 (03): 187–196.
Paper Number: SNAME-JSR-1983-27-3-187
Published: 01 September 1983
... agreement with the measured spray thickness. The frictional resistance component obtained from the resistance measurements indicated an extensive laminar flow on the planing model bottom. An acetanilid film was sprayed on the planing model bottom which tripped the laminar-turbulent transition. The CF-values...
Journal Articles
J Ship Res 20 (04): 215–223.
Paper Number: SNAME-JSR-1976-20-4-215
Published: 01 December 1976
... cavitation inception. Consideration is given both to bodies having natural transition and bodies having laminar flow separation. The present approach assumes that cavitation inception is controlled by the pressure fluctuations in the region of natural transition or laminar separation superimposed upon...
Journal Articles
J Ship Res 20 (01): 40–50.
Paper Number: SNAME-JSR-1976-20-1-40
Published: 01 March 1976
... attached to the body even when a tension of about one half atm. existed at the minimum pressure point on the body. supercritical reynolds number inception observation nsrdc body laminar separation transition experiment cavitation cavity Upstream Oil & Gas inception ship research test body...
Journal Articles
J Ship Res 19 (04): 193–205.
Paper Number: SNAME-JSR-1975-19-4-193
Published: 01 December 1975
... production monitoring Upstream Oil & Gas transition ship research vortex arakeri polymer solution reynolds number reduction tunnel New York nucleus University Journal of Ship Research, Vol. 19, No. 4, Dec. 1975, pp. 193-205 Journal of Ship Research Cavitation Inception--A Selective Review...
Journal Articles
J Ship Res 4 (04): 11–27.
Paper Number: SNAME-JSR-1960-4-4-11
Published: 01 December 1960
... solution Reservoir Characterization transition hull energy loss friction strain energy Upstream Oil & Gas deflection requirement equation loading Time Period shear prototype ship hull application internal friction vibration The Analysis of Ship. Structures Subjected to Slamm,ng...

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