... determines the flow regime that is experienced by the wings. The differences in viscous forces and flow-field varying from a laminar to a turbulent Reynolds number can greatly change the experimental results. Therefore, in order to accurately validate specific numerical models, experiments with similar flow...

... 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...

... 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...

...] 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...

... 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...

... a steady RANS calculation, although the computational time increases by a factor of 50. reservoir simulation calculation experiment fluid dynamics mesh surface streamline auckland edge separation bubble separation bubble pressure coefficient headsail mainsail configuration experimental...

... optimization procedure optimization convergence noise numerical model optima experiment algorithm solver wind tunnel evaluation fsi problem gp model THE 22nd CHESAPEAKE SAILING YACHT SYMPOSIUM ANNAPOLIS, MARYLAND, MARCH 2016 Experimental and numerical trimming optimizations for a mainsail...

... 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...

... 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...

... 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...

... to measure the added 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...

... (green) and Flying shape (red) at 5.0 m/s It has to be realized that the sail designer does not generate a design shape as an aerodynamic profile. He just generates a design shape which results in a flying shape having the desired prop- erties. For this process most sail designers use their experience...

... is said to be in unsteady tests. The experimental campaign, performed in the conditions. This term describes the more realistic situation Politecnico di Milano Twisted Flow Wind Tunnel, allowed in which the boat is subjected to acceleration in its degrees to characterize the aerodynamic forces using...

... 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...

... 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...

... 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...

... 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...

... or augment existing polar plots for the effect of a following sea. The simulation is comprised of three main modules: the wave induced longitudinal force, the resistance force and the sail aerodynamic force. The resistance and wave force modules have been validated through semi-captive model experiments...

...) will be presented. 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 wSAILING. HE 14th CHESAPEAKE SAILING YACHT SYMPOSIUM...

... of water kg/m3 experimentation, with motion in earth axes, showed Pitch amplitude relative to similar trends. However the results from the p axis direction 0 experiments using motion in body axes showed Wavelength marked changes in the measured motion and e Wave height (crest to trough) m resistance...