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ISSN: 2950-6018

Experimental investigation of a small-scale helical Savonius vertical-axis wind turbine for low-wind regions: Performance, feasibility, and scaling analysis

Wind energy use in low-wind regions depends on turbines that can self-start and maintain stable operation under weak and fluctuating airflow. Among the various designs, helical Savonius vertical-axis...

Aeroelastic instability of ultra-long flexible blades in floating offshore wind turbines: A state-of-the-art review

Large-scale floating offshore wind turbines (FOWTs) represent the core equipment for deep-sea wind energy exploitation. Under the combined influence of wind, waves, and currents, the ultra-long flexible...

A partial turbulence approach to estimate peak pressure coefficients on sloped roofs of low-rise buildings

A method is developed to estimate peak pressure coefficients on low-rise building roofs that utilizes the concepts of partial turbulence simulation (PTS). Quasi-Steady (QS) vector models are adopted...

Draft ISO standard for simplified performance-based wind design of tall concrete buildings

Conventional elastic wind design procedures increasingly face limitations when applied to tall concrete buildings, particularly where wind loads govern structural strength and interact with seismic...

Local wind effects on race car lap time dynamics

Lap time simulations are used to ascertain the overall performance of a car around a given track. The track selected here is Silverstone in its modern configuration. A high-fidelity Large-eddy Simulation...

Artificial intelligence for wind speed forecasting: A review on multi-scale decomposition and intelligent fusion strategies

Accurate and reliable short-term wind speed forecasting is essential for the effective utilization and scientific dispatch of wind energy. In recent years, with the rapid development of Artificial Intelligence...

Review of aerodynamic forces, wind-induced vibration characteristics, and control measures for stay cables

Long-span cable-stayed bridges are vital components of modern transportation infrastructure. The wind-induced force on stay cables contributes substantially to the total wind load acting on the entire...

Assessing risks and opportunities for offshore wind energy under evolving tropical cyclone hazards

This study presents a simulation-based framework for assessing offshore wind turbine failure risks and potential benefits from conceivable increased power generation during tropical cyclones. Using...

Roughness constant selection for atmospheric boundary layer simulations using a k-ω SST turbulence model within a commercial CFD solver

Transit of an atmospheric boundary layer (ABL) profile within computational fluid dynamics (CFD) simulations is often hindered through unintended streamwise gradients in the flow resulting in ABL inhomogeneity....

Symbolic Regression enabled prediction of flutter derivatives

Precisely emulating aeroelastic phenomena and fluid-structure interaction (FSI) parameters as a function of bluff body shape, largely governed by complex aerodynamics, presents a significant challenge....

Reconstruction and simulation of non-synoptic wind fields for nonlinear aeroelastic analysis of long-span bridges

Non-synoptic extreme winds such as thunderstorms and downbursts exhibit pronounced non-stationarity, with rapid variations in wind speed, turbulence characteristics, and angle of attack that challenge...

Research on aerodynamic drag reduction for 400 km/h high-speed trains

To improve the transportation efficiency, the trains are designed for higher operational speed. When the train speed increases, its aerodynamic drag grows dramatically and the operational energy consumption...

Vortex-induced vibration control of bridge decks using energy dissipative devices: A review of recent developments

This paper presents a comprehensive and up-to-date review of energy dissipative devices for controlling vortex-induced vibrations (VIV) in bridge decks, covering passive, active, and semi-active control...

Wind-induced damage analysis and wind resistance design for roof-top canopy on low- and medium-rise buildings

Canopies are commonly used on low- and medium-rise buildings, which are characterized by their lightweight. This feature makes them highly susceptible to wind. However, existing studies have paid little...

Geometry-driven variations of the horseshoe vortex and its impact on windward wall loads of low-rise buildings

This paper examines how geometric parameters influence windward-wall pressures of low-rise buildings by analyzing the effects of the mean roof height-to-breadth ratio (h/B) and roof slope (θ) on the...

A hybrid physics-informed graph neural network for tornado wind-field modeling

The accurate prediction of tornado wind fields is paramount for the wind-resistant design of critical infrastructure. Analytical models offer a computationally efficient and physically grounded foundation...

Machine learning for bridge wind engineering

Modeling and control are primary domains in bridge wind engineering. The natural wind field characteristics (e.g., non-stationary, non-uniform, spatial-temporal changing characteristics) and the wind-bridge...

Understanding the relationship between structural failure and fatalities in Tornadoes: A quantitative investigation of the 2021 Midwest Tornado Outbreak

During 1950-2011, the number of fatalities caused by tornadoes in the U.S. significantly exceeded the fatalities caused by both hurricanes and earthquakes. To reduce tornado induced fatalities, it is...

Interference effects between overtaking high-sided road vehicles: Aerodynamic interactions under crosswinds on open terrain highways

The aerodynamic interference effects between high-sided road vehicles, particularly during overtaking maneuvers under crosswind conditions, significantly impact vehicle stability and safety. This study...

Application of fractal analysis on wind speed time series: A review

Wind speed time series are characterized by complex, non-linear, and irregular patterns, which challenge traditional statistical methods in capturing their dynamics. Fractal analysis, with its focus...

Stabilizing bridge cross-sections against flutter by allowing their distortion

This article proposes a novel concept to mitigate aeroelastic flutter in long-span bridges by allowing the distortion of their cross-section. Specifically, a twin-box bridge deck cross-section, where...

Field based wind energy assessment of the Kati Bandar-Gharo wind corridor in southern Pakistan using tall mast measurements

As global energy demand keeps growing and requires sustainable power sources, wind energy provides a clean and green solution. Coastal zones especially present a significant wind power capacity driven...

A model of pressure--velocity admittance function for local pressures on building roofs and leeward façades

This study revisits aerodynamic admittance functions for roof pressures on buildings subjected to turbulent wind conditions. A new model for pressure–velocity admittance is proposed, expressed as a...

Post-disaster investigations of damage feature of buildings and structures due to several local strong winds in China during 2021–2024

Local strong winds such as tornadoes and downbursts are rare in terms of measured wind speed data due to their rapid formation and strong destructive power. Post-disaster investigations have become...

An overview of tropical cyclone boundary layer (TCBL) modeling: From meteorological perspectives to wind engineering applications

Extreme winds generated by tropical cyclones (TCs) cause significant global losses, and accurate tropical cyclone boundary layer (TCBL) modeling is essential for hazard assessment and performance-based...

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