Results 1 to 10 of about 615 (185)

Numerical simulation research on the overturning of gantry crane by downbursts [PDF]

open access: yesHeliyon, 2023
Based on the simulation of the fluid-structure interaction response, the cause of an overturning of a gantry crane induced by a downburst in Shenzhen is studied in this paper.
Jia-Chen Su   +4 more
doaj   +4 more sources

Downburst-Induced Vibration Coefficient of Long-Span Roof Structures

open access: yesBuildings, 2022
Long-span roof structures are vulnerable to being damaged by downbursts due to the sensitivity of such structures to wind loads. However, there is still no simple and practical method for the downburst-resistant design of such structures to date ...
Chaohao Chen   +2 more
exaly   +4 more sources

Automated Recognition of Macro Downburst Using Doppler Weather Radar

open access: yesAtmosphere, 2022
In light of the macro downburst’s ground divergent flow field characteristics and high reflectivity, this paper proposes an algorithm for identifying the downburst area using a Doppler weather radar low-level radial velocity and reflectivity factor ...
Xu Wang   +4 more
doaj   +2 more sources

Fragility Analysis of Transmission Towers Subjected to Downburst Winds

open access: yesApplied Sciences, 2023
A downburst is a typical local highly intensive wind all over the world, which is attributed to be the main cause of wind damage to transmission lines in inland areas worldwide.
Chao Zhu   +4 more
doaj   +2 more sources

Numerical Simulation of Long-Span Bridge Response under Downburst: Parameter Optimization Using a Surrogate Model

open access: yesMathematics, 2023
Long-span bridges located in thunderstorm-prone areas can potentially be struck by downburst transient winds. In this study, the downburst time-varying mean wind was simulated by an impinging jet model based on computational fluid dynamics (CFD). To make
Yu Feng   +4 more
doaj   +2 more sources

Study on Stability of Transmission Tower-Line System under a Downburst

open access: yesBuildings, 2022
A downburst is one of the high-intensity winds that cause transmission tower failures. In recent years, downbursts have brought great disasters to the economies and lives of people all around the world.
Yongli Zhong   +5 more
doaj   +2 more sources

The ERIES-BOLT project: Behaviour of Telecommunication Lattice Towers under Thunderstorm Winds [PDF]

open access: yesScientific Data
This paper describes a dataset of measurements collected within the context of the ERIES-BOLT project. The dataset includes wind field characterization tests, aeroelastic tests and aerodynamic tests.
Ileana Calotescu   +5 more
doaj   +2 more sources

Simulation and analysis of the mechanism of a downburst process

open access: yes暴雨灾害, 2022
Using conventional surface observations, Doppler radar imagery and products of the RMAPS model, a gust caused by a downburst event occurred on July 9, 2017, in Shunping of Hebei Province was studied.
Lei YU   +3 more
doaj   +2 more sources

Simulation Analyses on a Downburst Event That Caused a Severe Tower Toppling down Accident in Zhejiang (China)

open access: yesAtmosphere, 2023
The downburst events have been a research focus for decades, as their associated disastrously strong winds pose a great threat to aviation, the shipping industry, agriculture, and the power industry. On 14 May 2021, a series of severe convection occurred
Danyu Li   +5 more
doaj   +1 more source

Convective environments leading to microburst, macroburst and downburst events across the United States

open access: yesWeather and Climate Extremes, 2022
Downbursts are strong downdrafts of negatively buoyant air associated with convective storms and are capable of producing severe near-surface winds. Microbursts and macrobursts are subcategories of downbursts with the horizontal extent of damaging winds ...
Djordje Romanic   +2 more
doaj   +1 more source

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