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Keywords: drag coefficient
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Proceedings Papers

Paper presented at the SNAME 24th Chesapeake Sailing Yacht Symposium, June 10–11, 2022
Paper Number: SNAME-CSYS-2022-013
... method free surface computation air emission velocity potential coefficient rudder angle equation wing sail inertial force marine transportation free surface boundary condition aerodynamic model aerodynamic force surface elevation drag coefficient THE 24TH CHESAPEAKE SAILING YACHT...
Proceedings Papers

Paper presented at the SNAME 24th Chesapeake Sailing Yacht Symposium, June 10–11, 2022
Paper Number: SNAME-CSYS-2022-003
... transition geometry correction blockage tunnel reynolds number free surface experiment coefficient water tunnel drag coefficient university blockage ratio wind tunnel THE 24TH CHESAPEAKE SAILING YACHT SYMPOSIUM ANNAPOLIS, MARYLAND, JUNE 2022 Development of a blockage correction for highly...
Proceedings Papers

Paper presented at the SNAME 24th Chesapeake Sailing Yacht Symposium, June 10–11, 2022
Paper Number: SNAME-CSYS-2022-012
... pressure field froude number duncan computation the foil submergence depth immersion coefficient drag coefficient chord ratio THE 23RD CHESAPEAKE SAILING YACHT SYMPOSIUM ANNAPOLIS, MARYLAND, JUNE 2022 Free-Surface Effects on Two-Dimensional Hydrofoils by RANS-VOF Simulations Laetitia Pernod...
Proceedings Papers

Paper presented at the SNAME 23rd Chesapeake Sailing Yacht Symposium, March 15–16, 2019
Paper Number: SNAME-CSYS-2019-001
... reference area is used to form the coefficients is made clear in the relevant text. For example when applying the Prohaska-Hughes method 5 to relate model to full-scale drag coefficients, it is convenient, and conventional to use the wetted surface area. is the density, and V is the velocity of the model...
Proceedings Papers

Paper presented at the SNAME 23rd Chesapeake Sailing Yacht Symposium, March 15–16, 2019
Paper Number: SNAME-CSYS-2019-004
... Foil chord Oswald Efficiency Factor Drag Coefficient Induced Drag Coefficient Wave Drag Coefficient Junction Drag Coefficient Wave and Spray Drag Coefficient Lift Coefficient Lift Coefficient at immersion h DA Drag Area Junction Drag Wave and Spray Drag Immersion LA Lift Area Re Reynolds Number...
Proceedings Papers

Paper presented at the SNAME 22nd Chesapeake Sailing Yacht Symposium, March 18–19, 2016
Paper Number: SNAME-CSYS-2016-001
... are presented, varying design parameters of the catamaran. upstream oil & gas resistance investigation artificial intelligence constraint wake sheet span optimization problem vorticity coefficient daggerboard solver vortex filament drag coefficient wind speed rudder wing free vortex...
Proceedings Papers

Paper presented at the SNAME 20th Chesapeake Sailing Yacht Symposium, March 18–19, 2011
Paper Number: SNAME-CSYS-2011-010
... by comparing the time required to sail two different race courses. simulation coefficient configuration vpp analysis yacht aerodynamic coefficient experimental result margin of victory favorable section experiment quantify drag coefficient university aerodynamic performance scr airfoil...
Proceedings Papers

Paper presented at the SNAME 19th Chesapeake Sailing Yacht Symposium, March 20–21, 2009
Paper Number: SNAME-CSYS-2009-013
... displacement side force moth foil section force component junction drag immersion daggerboard foil lifting foil the foil strut hull wind speed drag coefficient boat THE 19th CHESAPEAKE SAILING YACHT SYMPOSIUM ANNAPOLIS, MARYLAND MARCH 2009 Full Scale Measurements...
Proceedings Papers

Paper presented at the SNAME 18th Chesapeake Sailing Yacht Symposium, March 2–3, 2007
Paper Number: SNAME-CSYS-2007-003
... force balance. ASmain Mainsail cloth area (m2) CD, CDp Drag and parasitic drag coefficient CDi, CDs Induced and separation drag coefficient CF Force coefficient CFx, CFy, Drive and side force coefficient Dyna, a 10 meter International Measurement System CFz Coefficient perpendicular to deck plane (IMS...
Proceedings Papers

Paper presented at the SNAME 16th Chesapeake Sailing Yacht Symposium, March 3, 2003
Paper Number: SNAME-CSYS-2003-013
.... ANOVA Analysis of Variance AR aspect ratio The lack of published models for parametric AWA apparent wind angle variations of downwind sails is not due to lack of desire, C depth-chord ratio but rather the complexities of the problem. Lasher (1999) CD drag coefficient describes the difficulties...
Proceedings Papers

Paper presented at the SNAME 16th Chesapeake Sailing Yacht Symposium, March 3, 2003
Paper Number: SNAME-CSYS-2003-014
... natural frequency htail Tail foil hydrodynamic incidence Y0 Heave Yf Reference flying height Apparent wind angle to course zmain Sensor height above surface c Wave celerity ztail Depth of main foil below local surface Cd Drag coefficient Depth of tail foil below local surface Cdm Main foil hydrodynamic...
Proceedings Papers

Paper presented at the SNAME 15th Chesapeake Sailing Yacht Symposium, January 26, 2001
Paper Number: SNAME-CSYS-2001-010
..., at the appropriate wind angle, in order to gain maximum boat speed. The program plots the Ay area of mizzen speed "polar," and velocity made-good, and determines the Ays area ofmizzen staysail tacking angles. C1 sail lift coefficient NOTATION Cd total aerodynamic drag coefficient AR sail aspect ratio Cdp sail...
Proceedings Papers

Paper presented at the SNAME 14th Chesapeake Sailing Yacht Symposium, January 29–30, 1999
Paper Number: SNAME-CSYS-1999-001
... yacht vpp mechanism coefficient formulation resistance sail type sailing force model coefficient modification drag coefficient The paper describes the improvements made to the aerodynamic and hydrodynamic force models of the Offshore Racing Council (ORC) International Measurement...
Proceedings Papers

Paper presented at the SNAME 13th Chesapeake Sailing Yacht Symposium, January 24–25, 1997
Paper Number: SNAME-CSYS-1997-007
... beam SAi: local sectional area BTR: IMS beam to draft ratio: BIT ScxO: RO I (112 x p x Vb2) Bwl: beam water line, canoe beam Scxi: Ri I (112 x p x Vb2) cl: lift coefficient Scy: Fy I (112 x p x Vb2) Cp: IMS prismatic coefficient Sm: wetted surface ex: drag coefficient T: IMS canoe body draft cxO: drag...
Proceedings Papers

Paper presented at the SNAME 13th Chesapeake Sailing Yacht Symposium, January 24–25, 1997
Paper Number: SNAME-CSYS-1997-004
... heel angle windage sail aerodynamic model wind speed apparent wind angle vpp calculation span reduction force coefficient calculation aerodynamic model tunnel test drag coefficient sail area THE THIRTEENTH CHESAPEAKE SAILING YACHT SYMPOSIUM Optimisation of a Sailing Rig using Wind...
Proceedings Papers

Paper presented at the SNAME 10th Chesapeake Sailing Yacht Symposium, February 1, 1991
Paper Number: SNAME-CSYS-1991-009
... The value 3.14159 ,c Yaw/Leeway Angle NOMENCLATURE 11' A Area BACKGROUND AR Aspect Ratio AT Advanced Technology Sailboat racing performance can be b Span or Draft improved by many means. Crew skills, C Chord Length sail aerodynamic characteristics, CD Drag Coefficient hull-appendage hydrodynamic efficiency...
Proceedings Papers

Paper presented at the SNAME 9th Chesapeake Sailing Yacht Symposium, March 11, 1989
Paper Number: SNAME-CSYS-1989-002
.... In the effort to achieve Cdi Induced drag coefficient accurate predictions many, and often Cdo = Parasite drag coefficient complex, input parameters are used, Cdp Profile drag coefficient limiting the usefulness of such Cl Lift coefficient programs in the preliminary design Cr mxb Crew distance, lateral (ft...
Proceedings Papers

Paper presented at the SNAME 2nd Chesapeake Sailing Yacht Symposium, January 18, 1975
Paper Number: SNAME-CSYS-1975-001
... of windward capabilities and rig variations for various true wind speeds. A "rating matrix" approach is discussed, which could be used to rate fairly a wider range of yacht sizes, types, wind conditions, and course angles than present rating systems can accommodate. NOMENCLATURE Wave drag coefficient Symbol...

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