Showing papers in "Journal of Wind Engineering and Industrial Aerodynamics in 2004"

TL;DR: The state-of-the-art of wind-driven rain (WDR) research in building science can be classified into three categories: experimental methods, semi-empirical methods and numerical methods.

TL;DR: In this paper, the starting performance of a three-bladed, 2-m diameter horizontal axis wind turbine was measured in field tests, and compared with calculations employing a quasi-steady blade element analysis.

TL;DR: In this article, a framework of dynamic analysis of coupled three-dimensional vehicle-bridge system under strong winds is presented to simulate a series of vehicles consisting of different numbers and different types of vehicles running on bridges under hurricane-induced strong winds.

TL;DR: In this article, an advanced closure approximation is adopted, within the framework of non-linear eddy-viscosity modeling, which aims specifically at an improved representation of turbulence anisotropy.

TL;DR: In this paper, the results of full-scale and wind tunnel experiments to measure the cross wind time averaged and unsteady forces and moments on trains are presented and the results demonstrate good agreement between the two sets of experiments but also illustrate the need for care in simulating local roughness effects in the wind tunnel simulation.

TL;DR: In this article, 15 typical tall building models are tested with high-frequency force balance technique in a wind tunnel to obtain the first-mode generalized across-wind dynamic forces, the coefficients of base moment and shear force are then derived.

TL;DR: In this paper, a framework of vehicle accident analysis model on long-span bridges in windy environments is presented, which can be used in not only analyzing the vehicle performance on highways and on bridges, but also in predicting useful information for emergency preparedness agencies in developing evacuation plans.

TL;DR: In this paper, the authors investigated the applicability of the Monin-Obukhov theory for wind power prediction at offshore sites using data from the measurement program Rodsand, located in the Danish Baltic Sea.

TL;DR: In this article, the aerodynamic behavior of long span suspension bridges is investigated using an experimental set-up and a 1:60 scale sectional model of the Messina bridge deck.

TL;DR: In this paper, empirical mode decomposition (EMD) was used to identify the natural frequencies and modal damping ratios of the Tsing Ma suspension bridge during Typhoon Victor using the newly emerged EMD method in conjunction with the Hilbert transform technique.

TL;DR: In this paper, the variation of wind velocity with height during thunderstorms is investigated at five levels on a 150 m tall tower. And the analysis of these profiles are classified into four types according to the profile shape and the height of the highest wind speed.

TL;DR: In this paper, the results of the numerical simulation of drifting snow surrounding a simple 2 m cubicle structure are compared and verified against data from snow drifting experimental tests carried out at SANAE IV research station, Antarctica, during the summer research period of January 2002.

TL;DR: In this paper, an automatic control system was designed and analyzed to modify the wind climate in the passages of the Silvertop Towers in the city of Antwerp (Flanders, Belgium).

TL;DR: In this paper, two types of multiple tuned mass dampers (MTMDs) are considered, i.e., the frequencies of each TMD are regularly or irregularly spaced, and an optimization procedure for an irregular MTMD (IMTMD) is proposed based on genetic algorithms.

TL;DR: In this paper, trajectories of spheres, carried by strong winds, are studied theoretically and numerically, and it is shown that the effect of vertical air resistance is significant, and should be included to accurately predict both horizontal and vertical velocities and displacements.

TL;DR: In this paper, the authors investigated parametric cyclone models based on such limited information, such as cyclone position, pressure drop, maximum wind speed and radius to maximum speed, and compared the analytical expressions of the tangential and radial velocity distributions from the governing momentum equations.

TL;DR: In this paper, a new methodology based on pressure field measurements has been developed in order to know the local and instantaneous aerodynamic loads along each vehicle, thanks to this method, the loads associated to each part of the vehicle can be defined.

TL;DR: In this paper, a numerical simulation has been performed of the disturbed flow through and over a two-dimensional array of rectangular buildings immersed in a neutrally stratified deep rough-walled turbulent boundary-layer flow.

TL;DR: In this article, a procedure to establish nominal loads for use in a conventional load-and-resistance-factor-design format is presented, based on an inverse reliability approach, permitting inclusion of randomness in the gross wind environment as well as in the extreme response given wind conditions.

TL;DR: In this paper, a primary investigation on the along-wind responses of tall buildings to thunderstorm downbursts is presented, where the CAARC building is modelled as a linear 2D cantilever beam and a base-pivoted single degree of freedom rigid body.

TL;DR: In this paper, the effects of wind non-uniformity on the aerodynamic forces acting on a ground vehicle in high cross winds when the vehicle is passing through the wake of a bridge tower were investigated.

TL;DR: In this article, the three-dimensional isothermal flow patterns and mass fluxes in a full-scale, pitched-roof, single-span greenhouse were numerically resolved, and data from tests on a full scale were used to validate the code, the inlet boundary conditions and the greenhouse design grid method.

TL;DR: In this article, the effects of the wind barrier on the vehicle response were examined with a fixed steering simulation, and the responses such as side acceleration and yaw angular acceleration were found to be reduced effectively.

TL;DR: In this article, a rational scheme and a generalisation of these procedures with reference to cantilever vertical structures is proposed, where equivalent static wind actions are assigned as a unique load distribution independent of the load effect.

TL;DR: In this paper, the authors evaluated the ride comfort of road vehicles running on a long span cable-stayed bridge under crosswind, and the results showed that the crosswind influences the vehicle ride comfort in the lateral direction while the bridge motion affects the vehicle in the vertical direction.

TL;DR: In this article, the aerodynamic properties of a tennis ball are obtained using wind tunnel measurements and it is shown that a lower lift coefficient reduces the window of opportunity for the server because the player is less able to utilise the spin to control the shot to ensure that the ball both clears the net and also lands in the service box.

TL;DR: In this paper, a comprehensive wind tunnel test program was conducted to investigate interference excitation mechanisms on translational and torsional responses of an identical pair of tall buildings Motion responses of a three-degree-of-freedom aeroelastic building model were measured both upstream and downstream interference effects were studied in this research.

TL;DR: In this article, the Rensselaer Water Flume is used to simulate the drift formation process in a laboratory simulation of the snow drifting process and the results show that the scaled transport rates from the water flume models matches reasonably well with full scale transport rates.

TL;DR: In this article, the confidence limits of the composite distribution were derived for the revised methodology, as well as for the original GV methodology, illustrated by data from Onslow and Brisbane in Australia.

TL;DR: In this paper, a three-degree-of-freedom (DOF) suspension system was developed for the wind-tunnel section model study of wind-excited vibrations of flexible structures.