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Keywords: mainsail
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Proceedings Papers

Paper presented at the SNAME 22nd Chesapeake Sailing Yacht Symposium, March 18–19, 2016
Paper Number: SNAME-CSYS-2016-004
... optimised fibre layout batten fibre weight maximum strain smar azure thickness sailplan fibre layout mainsail THE 22ND CHESAPEAKE SAILING YACHT SYMPOSIUM ANNAPOLIS, MARYLAND, MARCH 2016 Fully Integrated Fluid-Structural Analysis for the Design and Performance Optimisation of Fibre Reinforced...
Proceedings Papers

Paper presented at the SNAME 22nd Chesapeake Sailing Yacht Symposium, March 18–19, 2016
Paper Number: SNAME-CSYS-2016-006
... the attached flow on the lower region of both sails, but RANS fails in capturing the separation bubble occurring at the top section of the mainsail, predicting it as either too short, non-existent, or extended for the entire chord length. However, LES correctly models the leading edge separation bubble...
Proceedings Papers

Paper presented at the SNAME 22nd Chesapeake Sailing Yacht Symposium, March 18–19, 2016
Paper Number: SNAME-CSYS-2016-009
... to the power transmitted to the rig and sail system by the trimming device. The effect of the camber of the design shape is investigated too. The flat mainsail design benefits more than the other mainsail designs from the dynamic trimming compared to their respective steady situation. This study presents...
Proceedings Papers

Paper presented at the SNAME 21st Chesapeake Sailing Yacht Symposium, March 15–16, 2013
Paper Number: SNAME-CSYS-2013-005
... inviscid cfd irc 52 yaw balance mainsail alternative mainsail structure interaction consequence tp52 botin partner mainsail planform investigation mainsail planform optimization iqt knot module designer THE 21st CHESAPEAKE SAILING YACHT SYMPOSIUM ANNAPOLIS, MARYLAND, MARCH 2013...
Proceedings Papers

Paper presented at the SNAME 20th Chesapeake Sailing Yacht Symposium, March 18–19, 2011
Paper Number: SNAME-CSYS-2011-001
... resolution computational framework aspect ratio performance sailing yacht solver mesh & al configuration machine learning reservoir simulation objective function convergence camber equation mainsail THE 20th CHESAPEAKE SAILING YACHT SYMPOSIUM ANNAPOLIS, MARYLAND, MARCH 2011...
Proceedings Papers

Paper presented at the SNAME 20th Chesapeake Sailing Yacht Symposium, March 18–19, 2011
Paper Number: SNAME-CSYS-2011-004
... condition was modelled using a Vortex Lattice code, while the downwind wind-tunnel test was modelled using a Navier-Stokes code. The pressures obtained from the three different methods are compared on three horizontal sections of the headsail, mainsail, and asymmetric spinnaker. In general the pressures...
Proceedings Papers

Paper presented at the SNAME 19th Chesapeake Sailing Yacht Symposium, March 20–21, 2009
Paper Number: SNAME-CSYS-2009-012
... used in the wind tunnel tests does not account for unsteady effects like the aerodynamic inertia in roll due to the “added mass” of the sails. In the second part of paper the added mass moment of inertia of a mainsail is estimated by “strip theory” and found to be significant. Using expressions from...
Proceedings Papers

Paper presented at the SNAME 18th Chesapeake Sailing Yacht Symposium, March 2–3, 2007
Paper Number: SNAME-CSYS-2007-002
..., wind speed, wind angle, and so on, are also measured. The tested sail configurations are as follows: mainsail with 130% jib, mainsail with 75% jib and mainsail alone. Sail shapes are measured at several height positions. The measured shape parameters are chord length, maximum draft, maximum draft...
Proceedings Papers

Paper presented at the SNAME 18th Chesapeake Sailing Yacht Symposium, March 2–3, 2007
Paper Number: SNAME-CSYS-2007-003
... be made. eff full-scale measurement lift coefficient wind tunnel hull windage main effective wind angle full-scale data force coefficient mainsail hull deck rig tunnel measurement deck plane wind tunnel measurement coefficient tunnel run drag coefficient perpendicular THE 18th...
Proceedings Papers

Paper presented at the SNAME 16th Chesapeake Sailing Yacht Symposium, March 3, 2003
Paper Number: SNAME-CSYS-2003-003
... measurements performed on the Technical University of Berlins research sailing yacht. DYNA. with a finite element analysis of her rig. spinnaker load case port yacht rig apparent wind angle starb loading mainsail spreader dyna computation downwind wind speed sailing downwind upwind load...
Proceedings Papers

Paper presented at the SNAME 16th Chesapeake Sailing Yacht Symposium, March 3, 2003
Paper Number: SNAME-CSYS-2003-005
... this IMS aerodynamic model, thereby reducing the pre-existing biases. apparent wind angle spinnaker ranzenbach ims rule variation effective rig height annapolis coefficient rig overlap boat fractionality aerodynamic model fractional rig jib overlap mainsail ims aerodynamic model wind...
Proceedings Papers

Paper presented at the SNAME 16th Chesapeake Sailing Yacht Symposium, March 3, 2003
Paper Number: SNAME-CSYS-2003-010
... configuration evaluation optimization procedure jib parameterization computational cost dervieux equation of state fluid dynamics apparent wind computation configuration complete configuration mainsail gradient THE 16th CHESAPEAKE SAILING YACHT SYMPOSIUM ANNAPOLIS, MARYLAND, MARCH 2003 Analysis...
Proceedings Papers

Paper presented at the SNAME 16th Chesapeake Sailing Yacht Symposium, March 3, 2003
Paper Number: SNAME-CSYS-2003-006
... intelligence apparent wind angle wind condition exit angle true wind speed initial value arnone parametric analysis optimal value configuration optimization problem twist distribution awa 16 camber mainsail wind speed force coefficient genoa camber t ) THE 16th C H E S A P E A K E SAILING Y...
Proceedings Papers

Paper presented at the SNAME 13th Chesapeake Sailing Yacht Symposium, January 24–25, 1997
Paper Number: SNAME-CSYS-1997-002
... calculations. Numerical calculations were performed to estimate the sail forces of the boat. In the calculations, two sails, a mainsail and a jib , were modeled in the form of a vortex lattice. The vortex lattice method was adopted as the numerical calculation method. Step by step calculations were conducted...
Proceedings Papers

Paper presented at the SNAME 12th Chesapeake Sailing Yacht Symposium, January 27–28, 1995
Paper Number: SNAME-CSYS-1995-009
... bergstrom maximum attainable lift sven ridder mast section reduction separation rigging design mainsail THE TWELFTH CHESAPEAKE SAILING YACHT SYMPOSIUM The Development of the B&R Rig, Structural Space Frame and Tripod Support System with Integrated Boom Lars Bergstrom, B & R Mast and Rigging...
Proceedings Papers

Paper presented at the SNAME 1st Chesapeake Sailing Yacht Symposium, January 19, 1974
Paper Number: SNAME-CSYS-1974-001
.... displacement hull regression analysis correction wetted surface formula astern distance racing yacht point measurement mainsail yacht waterline procedure sail area centerboard ior iii aspect ratio particular race No.1 THE SOCIETY OF NAVAL ARCHITECTS AND MARINE ENGINEERS 74 Trinity Place...
Proceedings Papers

Paper presented at the SNAME 1st Chesapeake Sailing Yacht Symposium, January 19, 1974
Paper Number: SNAME-CSYS-1974-006
... Booms are dangerous and can now be done away with. The mainsail is trimmed by three sheers to three permanent backstays, (see Fig.1.). A mainsail that is luff roller furling on a rotating jackstay that is aft and parallel to the mast can be furled or reefed in seconds, (see Fig.2). The best rig...

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