Recent Journal of Wind Engineering & Industrial Aerodynamics Articles
Recently published articles available on ScienceDirect.
Study of the effects of translation and roughness on tornado-like vortices by large-eddy simulations
Zhenqing Liu | Takeshi Ishihara
The numerical simulation by LES turbulent model for translating tornadoes and those over roughness was carried out in a Ward type simulator. The tornado translation was modeled by providing a relative...
CFD simulation of the effect of an upstream building on the inter-unit dispersion in a multi-story building in two wind directions
D.J. Cui | C.M. Mak | K.C.S. Kwok | Z.T. Ai
Previous studies on inter-unit dispersion are limited to isolated buildings. The influence of an upstream interfering building may significantly modify the indoor airflow characteristics of the wind-induced...
Nelson Estêvão Martins | Beatriz Martín-Pérez | Appupillai Baskaran
This work compares and predicts the response of roof edge components to wind load. The edge components consist of three different parapet coping configurations on the edge of a commercial building’s...
Bio-mimicry inspired tall buildings: The response of cactus-like buildings to wind action at Reynolds Number of 104
C.W. Letchford | D.C. Lander | P. Case | A. Dyson | M. Amitay
Applying bio-mimicry intelligence to the aerodynamic performance of tall slender buildings has potential to lead to not only improved response to wind loading, but generate savings in material and construction...
Min Liu | Xinzhong Chen | Qingshan Yang
This study investigates the characteristics of dynamic pressures on a saddle type roof under normal and corner attacking angles in various boundary layer turbulent flows. Six turbulent flows are simulated...
Xianzhi Liu | Yan Han | C.S. Cai | Marc Levitan | Dimitris Nikitopoulos
Evaluation of the safety and performance of road vehicles in windy conditions requires accurate descriptions of wind loads on vehicles. However, the research in this area has been far from comprehensive....
Platon Patlakas | George Galanis | Nicolas Barranger | George Kallos
The rising demand of energy consumption in isolated locations such as in islands leads in the expansion of on and off-shore wind farms. The optimization of the structural design of wind turbines for...
Lili Song | Wenchao Chen | Binglan Wang | Shiqun Zhi | Aijun Liu
In this study, representative characteristics of the observed typhoon winds along the coast of South China during the past 10 years are evaluated in accordance with different influences of rotational...
Sebastián Solari | Miguel Ángel Losada
The simulation of synthetic wind time series is strictly necessary, among others, to assess the risk of structures and systems, to model the dynamic of morphological features like dunes, or to investigate...
Reconstruction of the envelope of non-Gaussian structural responses with principal static wind loads
Nicolas Blaise | Thomas Canor | Vincent Denoël
In current practice, structural engineers commonly focus on the wind-resistant design by means of static wind loads. In the case of non-Gaussianities, there is room for improvement to properly derive...
Giacomo Valerio Iungo
The characterization of wind turbine wakes produced for different loading conditions of the turbine and incoming wind is a crucial task for design of wind farm layout. Indeed, the optimization of the...
Patricia Martín | Vivian B. Elena | Acir M. Loredo-Souza | Edith B. Camaño
A several number of communication lattice tower collapsed in the past years due to strong winds in Cuba, most of them with a high number of dish antennas. Antennas generate a modification on the wind...
Jie Song | K.T. Tse | Yukio Tamura | Ahsan Kareem
This paper investigates inter-building and intra-building aerodynamic correlations of linked buildings (LBs, i.e., adjacent tall buildings structurally connected by links such as skybridges, skypools...
Experiments and numerical simulations of the rotor-blade performance for a small-scale horizontal axis wind turbine
Meng-Hsien Lee | Y.C. Shiah | Chi-Jeng Bai
In the present work, the research is devoted to studying the aerodynamic performance of two different types of horizontal-axis wind turbine (HAWT) blades. One is a typical type designed by the blade...
M.K. Choi | M.K. Cho | H.W. Lee | H. Jung | J.W. Lee
Flow velocity profiles can be transformed using non-uniform resistance elements, and the design equation for the distribution of pores in a single baffle plate of uniform thickness was formulated to...
Carlo L. Bottasso | Alessandro Croce | Federico Gualdoni | Pierluigi Montinari
This paper conducts a preliminary investigation of a novel passive concept for the mitigation of loads on wind turbines. The device, which can be implemented as a flap or a pitching blade tip, moves...
Influence of dependence of directional extreme wind speeds on wind load effects with various mean recurrence intervals
Xinxin Zhang | Xinzhong Chen
This study offers an improved understanding of the influence of statistical dependence between directional extreme wind speeds when estimating the wind load effects with various mean recurrence intervals...
Wang Hanfeng | Zhou Yu | Zou Chao | He Xuhui
The effects of deflectors on the aerodynamic drag and near wake of an Ahmed model with a 25° slant angle were experimentally investigated. Experiments were conducted in a closed circuit low speed wind...
Passive scalar diffusion in and above urban-like roughness under weakly stable and unstable thermal stratification conditions
Isao Kanda | Yukio Yamao
Wind-tunnel experiments were conducted to investigate passive scalar diffusion behaviour in and above urban-like roughness under various thermal stratification conditions. Staggered arrays of rectangular...
Noise prediction is very important for new wind farms located near to noise sensitive receivers. To minimize uncertainties of noise level calculation, the effect of cylindrical spreading must be taken...
Gang Hu | K.T. Tse | K.C.S. Kwok
The aerodynamic mechanism of galloping of an inclined square cylinder was investigated using both experimental and numerical methods. Experimentally, pressure measurements on the inclined cylinder were...
Ilaria Venanzi | Annibale Luigi Materazzi | Laura Ierimonti
Deterministic optimization methods have been widely used in the design of structures in order to reduce costs and improve the structural performance. However, it is well known that uncertainties related...
Avraham Seifert | Tom Shtendel | Danny Dolgopyat
Active Flow Control (AFC) is being investigated as a tool for boundary layer separation delay. Increasing lift by delaying stall has been the most common objective. More recently AFC is also being studied...
Reliability based vulnerability modelling of metal-clad industrial buildings to extreme wind loading for cyclonic regions
K.M. Chaminda Konthesingha | Mark G. Stewart | Paraic Ryan | John Ginger | David Henderson
This paper presents an approach for developing a vulnerability model to predict the probability and extent of damage to metal-clad industrial buildings due to extreme wind loading. Structural reliability-based...
Wonsul Kim | Yukio Tamura | Akihito Yoshida
Wind-induced interference effects on overall wind loads and local wind loads on two buildings were studied in a series of the wind tunnel test on typical tall building models using a pressure measurement...
Experimental study of the protuberance effect on the blade performance of a small horizontal axis wind turbine
Guo-Yuan Huang | Y.C. Shiah | Chi-Jeng Bai | W.T. Chong
The research aims to study the effect of leading edge protuberances on the blade performance at the stall region of the small-scale horizontal axis wind turbine (HAWT) with variable rotational speed....
Hatem Alrawashdeh | Ted Stathopoulos
Current wind codes and standards have load provisions dealing with low buildings of common configurations. Large buildings, say 100m long, had not been considered when these provisions were established....
Power generation analysis of PowerWindow, a linear wind generator, using computational fluid dynamic simulations
S.A.H. Jafari | F. Safaei | B. Kosasih | K.C.S. Kwok
A new linear wind generator (LWG), named PowerWindow, is introduced. The modular and scalable LWG is capable of generating power in low wind velocity condition, and hence can be an effective and safe...
Weifeng Zhao | Ruowen Zong | Jiahao Liu | Jiana Ye | Kongjin Zhu
Multi-source fires burning is a fundamental process involved with the development from group fire to regional fire. However, there is great difference for the burning characteristics between the multiple...
Jianyun Chen | Chenyang Yuan | Jing Li | Qiang Xu
In this paper, a new semi-active fuzzy control strategy is proposed for controlling edgewise vibrations of wind turbine blades under extreme wind. The control forces are provided by magnetorheological...
Zhao Yang | Xiangchao Su | Feng Ma | Longqing Yu | Hongna Wang
An innovative platform screen doors (PSDs) system with controllable slits was introduced, aiming to improve traditional PSDs and automatic platform gates (APGs) system. A newly-built subway station...
Xiao Chen | Chuanfeng Li | Jianzhong Xu
This study presented a failure investigation on a wind farm which is located on the southeast coast of Mainland China and was severely damaged by two super typhoons: i.e., Dujuan in 2003 and Usagi in...
Cleo Q. Dias-Junior | Edson P. Marques Filho | Leonardo D.A. Sá
The occurrence of coherent structures (CS) above the Amazon forest is analyzed. To perform this study, a large eddy simulation (LES) model is used, which has been improved by the introduction of a drag...
Brett A. Benowitz | George Deodatis
A methodology is presented for efficient and accurate modeling of correlated wind velocities along long span structures at a virtually infinite number of points. Currently, the standard approach is...
Song-Lak Kang | Hoonill Won
Using 11-month, 15-min averaged measurements by nacelle anemometers at 274 wind turbines, we studied the spatial and temporal variability of wind speed in a wind farm over an area of about 20km by 20km...
CFD simulation of wind flow over natural complex terrain: Case study with validation by field measurements for Ria de Ferrol, Galicia, Spain
Bert Blocken | Arne van der Hout | Johan Dekker | Otto Weiler
Accurate and reliable Computational Fluid Dynamics (CFD) simulations of wind flow over natural complex terrain are important for a wide range of applications including dispersion of pollutants, wind...
Experimental investigation and performance modeling of centimeter-scale micro-wind turbine energy harvesters
Mohamed Y. Zakaria | Daniel A. Pereira | Muhammad R. Hajj
Centimeter-scale micro wind turbines have been proposed to power small devices. Design models and operating conditions for large scale wind turbines do not directly apply towards these small harvesters....
Jin Sike | Gong Yanfeng | Zhang Guangli
Shallow-buried road tunnel with roof openings is a green energy-saving technology. In this kind of tunnel, natural ventilation and natural smoke extraction can be realized through the roof openings....
A. Orlandi | M. Collu | S. Zanforlin | A. Shires
The paper demonstrates the potential of an unsteady RANS 3D approach to predict the effects of skewed winds on the performance of an H-type vertical-axis wind turbine (VAWT). The approach is validated...
Xing Fu | Hong-Nan Li | Y.B. Yang
In this paper, a method for calculating the rain load based on the single raindrop impinging experiment is presented, and a wind tunnel test is carried out to validate its effectiveness. The raindrop...
M. Corallo | J. Sheridan | M.C. Thompson
Through numerical simulations, the interaction between the longitudinal c-pillar vortices and the flow over the rear slant surface is established for an Ahmed-body geometry as its aspect ratio is varied....
The coupled dynamic response computation for a semi-submersible platform of floating offshore wind turbine
Thanh Toan Tran | Dong-Hyun Kim
Many numerical methods based on potential-flow theory have been used to analyze the hydrodynamic effect of floating offshore wind turbine (FOWT). However, they cannot directly and fully consider the...
Assessing probabilistic wind load effects via a multivariate extreme wind speed model: A unified framework to consider directionality and uncertainty
Xinxin Zhang | Xinzhong Chen
This study presents a new approach of estimating wind load effects (responses) for various mean recurrence intervals (MRIs) with consideration of both directionality and uncertainty of wind speed and...
Katsuhiro Kikuchi | Minoru Suzuki
Strong cross wind is one of the most important problems to consider for ensuring the safety of railway vehicles during operation. The critical wind speed for vehicle overturning or wheel unloading ratio...
Beate Geyer | Ralf Weisse | Peter Bisling | Joerg Winterfeldt
Model-based wind speed data derived from the coastDat2 data set for the North Sea were used to assess wind power potential considering both spatial and temporal variability. The atmospheric part of...