Results 31 to 40 of about 913 (177)

Computational simulation of thunderstorm downbursts and associated wind turbine loads [PDF]

open access: yes, 2013
textWind turbines operate in a constantly changing wind environment. This requires modeling and simulation of extreme events in which the wind turbine operates and a study of associated turbine loads as part of the design practice and/or site assessment.
Pratapa, Phanisri Pradeep
core   +1 more source

Thunderstorm Downbursts and Wind Loading of Structures: Progress and Prospect

open access: yesFrontiers in Built Environment, 2020
In 1961, Davenport published a paper, considered by most to be a critical work in the study of wind engineering, in which meteorology, micrometeorology, climatology, aerodynamics, and structural dynamics were embedded in a homogeneous framework of the ...
Giovanni Solari
doaj   +1 more source

Characteristics of Rainfall in Wind Field of a Downburst and Its Effects on Motion of High-Voltage Transmission Line

open access: yesShock and Vibration, 2017
Despite most weather-related failures of high-voltage transmission lines (HVTLs) being attributed to the downbursts accompanied by heavy rainfall, research works mainly focused on the behaviors of the high-voltage transmission tower-line structures under
Chao Zhou, Li Li, Yibing Liu
doaj   +1 more source

Using crop fall patterns to provide an insight into thunderstorm downbursts [PDF]

open access: yes, 2023
This paper examines whether crop fall patterns due to thunderstorm downburst-like events can provide an insight into the flow structure of a downburst. To explore this phenomenon, a novel three-dimensional analytical model for the velocity flow field is ...
Huo, Shen Shuan   +8 more
core   +2 more sources

Designing a multi-purpose wind tunnel suitable for limited spaces

open access: yesResults in Engineering, 2022
A new design for a multi-purpose wind tunnel suitable for limited space is proposed. Toronto Metropolitan University is located in the downtown area of the city of Toronto, Canada, which is a busy location with limited campus space.
Mohamed Abdelwahab   +2 more
doaj   +1 more source

Experimental Simulation of Thunderstorm Profiles in an Atmospheric Boundary Layer Wind Tunnel

open access: yesApplied Sciences, 2023
Thunderstorms have different features in comparison with synoptic events, including a typical nose-shaped mean wind speed profile and non-stationary characteristics in time intervals from 10 min to 1 h. The simulation of thunderstorms in traditional wind
Camila Aldereguía Sánchez   +3 more
doaj   +1 more source

Frequency Domain Analysis of Alongwind Response and Study of Wind Loads for Transmission Tower Subjected to Downbursts

open access: yesBuildings, 2022
Downburst is one of the high-intensity winds that cause transmission tower failures. The regulations of transmission tower-line systems under downburst wind loads cannot meet the design requirements at present.
Yongli Zhong   +5 more
doaj   +1 more source

Análise da ocorrência de Downbursts no Brasil e estudo da simulação do fenômeno [PDF]

open access: yes, 2014
Calamidades naturais são cada dia mais frequentes e a maior parte delas está relacionada aos danos ocasionados por tempestades severas. Desta forma, são necessários estudos que auxiliam tanto na compreensão desses fenômenos quanto na previsão dos mesmos ...
Elias Galvan de Lima   +1 more
core   +1 more source

Mass mortality of saguaros (Carnegiea gigantea) from windthrow: A rare, demographic disturbance in a desert ecosystem

open access: yesEcosphere, Volume 17, Issue 5, May 2026.
Abstract Windthrow is a significant disturbance in many forests globally during which strong winds damage trees or other large flora, yet its role in arid ecosystems remains largely understudied. The saguaro cactus (Carnegiea gigantea), a keystone species of the Sonoran Desert, is a long‐lived, massive succulent whose demography is primarily thought to
Don E. Swann   +3 more
wiley   +1 more source

A New Approach to Nowcasting Thunderstorm Gusts Based on a Spatiotemporal Decoupling Architecture and Multi‐Scale Feature Learning

open access: yesJournal of Geophysical Research: Machine Learning and Computation, Volume 3, Issue 2, April 2026.
Abstract Accurate short‐term forecasting of thunderstorm gusts remains a major challenge in the Beijing–Tianjin–Hebei region due to limited temporal resolution, the lack of vertical velocity and thermodynamic data, and the difficulty of coupling multi‐scale features.
Xinze Li   +8 more
wiley   +1 more source

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