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Keywords: experiment
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Proceedings Papers

Paper presented at the SNAME 24th Chesapeake Sailing Yacht Symposium, June 10–11, 2022
Paper Number: SNAME-CSYS-2022-006
... restricted to two-dimensional experiments, where the tip and root of the blades are restricted between the wind tunnel walls. Furthermore, experimental studies on the aeronautic sector have been largely performed for high Reynolds number flows to simulate aircraft wings-winglets interactions, with recent...
Proceedings Papers

Paper presented at the SNAME 24th Chesapeake Sailing Yacht Symposium, June 10–11, 2022
Paper Number: SNAME-CSYS-2022-003
... corrected, and thus further work would be needed to extend the applicability of the proposed blockage correction to such facilities. These findings provide experimental insights into the effect of blockage on highly cambered plates, and it is anticipated they will support future force experiments conducted...
Proceedings Papers

Paper presented at the SNAME 23rd Chesapeake Sailing Yacht Symposium, March 15–16, 2019
Paper Number: SNAME-CSYS-2019-009
... sails (Richards & Viola, 2015). This paper first introduces the background to the LEV, and the numerical and experimental work demonstrating its presence and impact on sailing performance. Then, the correlation between full-scale experiments, numerical simulations and model-scale testing are presented...
Proceedings Papers

Paper presented at the SNAME 22nd Chesapeake Sailing Yacht Symposium, March 18–19, 2016
Paper Number: SNAME-CSYS-2016-012
...] Harwood, C.M., Experimental and Numerical experiments should either be conducted on a sufficiently Investigation of Ventilation Inception and Washout stiff test object or provide measurements of the foil Mechanisms of a Surface-Piercing Hydrofoil , 30th deflection. For numerical investigations, Fluid...
Proceedings Papers

Paper presented at the SNAME 22nd Chesapeake Sailing Yacht Symposium, March 18–19, 2016
Paper Number: SNAME-CSYS-2016-005
... experimentally investigate the unsteady aerodynamics associated with two such techniques, “upwind leech flicking" and “downwind S-turns". We employ a two-part approach. First, on-the-water experiments are carried out using a Laser class sailboat sailed by Olympic and world championship level sailors. Data...
Proceedings Papers

Paper presented at the SNAME 22nd Chesapeake Sailing Yacht Symposium, March 18–19, 2016
Paper Number: SNAME-CSYS-2016-006
... reservoir simulation calculation experiment fluid dynamics mesh surface streamline auckland edge separation bubble separation bubble pressure coefficient headsail mainsail configuration experimental data upstream oil & gas streamline pressure distribution recirculation...
Proceedings Papers

Paper presented at the SNAME 22nd Chesapeake Sailing Yacht Symposium, March 18–19, 2016
Paper Number: SNAME-CSYS-2016-003
... to discover trends in the actual performance function from the noisy ob- servations. Experimental optimization with noise In a second experiment we set 2 = 0.0272. This value is not determined as part of the optimization of the log- marginal likelihood in (14). Instead, is directly estimated from...
Proceedings Papers

Paper presented at the SNAME 22nd Chesapeake Sailing Yacht Symposium, March 18–19, 2016
Paper Number: SNAME-CSYS-2016-008
... or the ratio of membrane stress to wind pressure. EXPERIMENTAL SETUP Full-Scale testing does not have those issues, and permits to determine yacht performance in real sailing conditions. An instrumented J/80 class sailing yacht, an 8 meter one- Those experiments need complex set-up in a harsh envi- design...
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-2009-014
... will be legal. Any kind of for the night and the sail and the mast are not independent - sail, any hull shape, any weight, any material. A designer s they must be raised up on the boat together. Fred Eaton and dream. Our lack of experience in the class led to a science Magnus Clarke, Alpha s crew, endured...
Proceedings Papers

Paper presented at the SNAME 19th Chesapeake Sailing Yacht Symposium, March 20–21, 2009
Paper Number: SNAME-CSYS-2009-012
... inertia of a model sail. One end of a string was attached to a pulley on the shaft These experiments are summarized in the next paragraphs. while the other end was attached to a weight of mass m. At t = 0 the weight was released and the angle and its rate 3.3.1 Experimental Setup were recorded. From...
Proceedings Papers

Paper presented at the SNAME 19th Chesapeake Sailing Yacht Symposium, March 20–21, 2009
Paper Number: SNAME-CSYS-2009-008
... are investigated and examined. spinnaker wind tunnel test coefficient wind tunnel frequency yacht apparent wind speed dynamic condition apparent wind angle experiment pitch amplitude wind speed artificial intelligence design shape frequency range aerodynamic force THE 19th CHESAPEAKE...
Proceedings Papers

Paper presented at the SNAME 19th Chesapeake Sailing Yacht Symposium, March 20–21, 2009
Paper Number: SNAME-CSYS-2009-009
... condition hysteresis loop oscillation frequency range aerodynamic force means apparent wind angle experiment pitch amplitude scale model The aerodynamic behaviour of a 48’ yacht rig 3D scale model was characterized by means of wind tunnel tests. The experimental campaign, performed...
Proceedings Papers

Paper presented at the SNAME 18th Chesapeake Sailing Yacht Symposium, March 2–3, 2007
Paper Number: SNAME-CSYS-2007-010
... stress for the foams was 0.6 MPa for EPP and 0.8 MPa for SAN. The Young s moduli were 53 MPa for EXPERIMENTAL TESTING SAN and 8.4 MPa for EPP. The compressive behaviour of SAN foams is similar to Simply supported beams cored both with SAN foam PVC foams, comprising an initial elastic regime followed...
Proceedings Papers

Paper presented at the SNAME 18th Chesapeake Sailing Yacht Symposium, March 2–3, 2007
Paper Number: SNAME-CSYS-2007-002
... sail trimming. The experimental value of CL in the figure (a) varies from 0.91 to 1.61. The calculated results of CL by VLM show good agreement with the experiments at less than AWA range of 35 degrees. In the range of over 35 degrees, although the calculated results are lower than the measured...
Proceedings Papers

Paper presented at the SNAME 17th Chesapeake Sailing Yacht Symposium, March 4–5, 2005
Paper Number: SNAME-CSYS-2005-011
... the dynamic motions of a yacht model scale. whilst re-righting, (Renilson and Binns, 2001). As such a combined experimental and theoretical project was wl 11 developed. The entire project was divided up into 5 tasks wl 10 as wl 9 1. re-righting experiments with the yacht unconstrained (Renilson and Binns...
Proceedings Papers

Paper presented at the SNAME 16th Chesapeake Sailing Yacht Symposium, March 3, 2003
Paper Number: SNAME-CSYS-2003-012
... and other systems prompted a review. By 1999 it became apparent that procuring new The projects included: vessels rather than performing significant overhauls of the Incline experiment, full-scale resistance and VPP existing vessels was warranted. Table 1 shows the principal dimensions of the three 44...
Proceedings Papers

Paper presented at the SNAME 15th Chesapeake Sailing Yacht Symposium, January 26, 2001
Paper Number: SNAME-CSYS-2001-007
... keel residuary resistance perth australia simulation model experiment western australia experiment curtin university yacht module downwind Yachts racing in many of today's high profile races, such as the America's Cup and the Volvo Ocean Race, spend much time sailing downwind...
Proceedings Papers

Paper presented at the SNAME 14th Chesapeake Sailing Yacht Symposium, January 29–30, 1999
Paper Number: SNAME-CSYS-1999-014
... experiment sailing yacht ship hydromechanic lab hydrodynamic force systematic series delft systematic yacht hull series dsyh laboratory delft univ larger variety assessment hull resistance formulation equation Over the past years a considerable extension has been given...
Proceedings Papers

Paper presented at the SNAME 13th Chesapeake Sailing Yacht Symposium, January 24–25, 1997
Paper Number: SNAME-CSYS-1997-015
... the results of the present work and previous experimentation, with motion in earth axes, showed similar trends. However the results from the experiments using motion in body axes showed marked changes in the measured motion and resistance characteristics when compared to the earth axes data. It is thought...

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