Results 1 to 10 of about 1,955 (191)

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   +2 more sources

Transient Thunderstorm Downbursts and Their Effects on Wind Turbines

open access: yesEnergies, 2014
The International Electrotechnical Commission (IEC) Standard 61400-1 for the design of wind turbines does not explicitly address site-specific conditions associated with anomalous atmospheric events or conditions.
Lance Manuel
exaly   +3 more sources

Study on Wind Loads of Different Height Transmission Towers under Downbursts with Different Parameters

open access: yesBuildings, 2022
Disaster investigation results have shown that most wind-induced damage to transmission towers is related to downbursts. To clarify the effects of downbursts’ parameters on transmission towers with different heights, studies were conducted on five ...
Zhiyuan Fang
exaly   +3 more sources

A Random Forest Method to Forecast Downbursts Based on Dual-Polarization Radar Signatures

open access: yesRemote Sensing, 2019
The United States Air Force’s 45th Weather Squadron provides wind warnings, including those for downbursts, at the Cape Canaveral Air Force Station and Kennedy Space Center (CCAFS/KSC).
Bruno Medina   +2 more
exaly   +3 more sources

Review of Wind Field Characteristics of Downbursts and Wind Effects on Structures under Their Action

open access: yesBuildings
Downbursts belong to sudden, local, and strong convection weather, which present significant destruction for structures. At any given time, there are approximately 2000 thunderstorms occurring on the Earth.
Shi Zhang, Qingshan Yang
exaly   +3 more sources

Proposed Classification for all Types of Wind Storms in Poland [PDF]

open access: yesArchives of Civil Engineering, 2020
International scales describing the intensity of tornadoes are investigated along with reports from the Polish Government Security Centre on all types of wind storms in Poland.
Tadeusz Chmielewski, Henryk Nowak
doaj   +1 more source

Analysis of early warning of extreme downbursts induced by two supercell storms in the border area between Hebei and Henan Provinces

open access: yes暴雨灾害, 2022
A severe convective weather event that was caused by multiple supercell storms occurred in the border area between the Hebei and Henan provinces at 16-22 Beijing Time of 31 July 2021.
Yitong WANG, Xiuming WANG, Xiaoding YU
doaj   +1 more source

Evolution and Structure of a Dry Microburst Line Observed by Multiple Remote Sensors in a Plateau Airport

open access: yesRemote Sensing, 2022
The civilian airplane is a common transportation mode for the local people in the Qinghai-Tibet Plateau (QTP). Due to the profound dynamic and thermal effects, the QTP can trigger strong windstorms during the warm season, during which downbursts can ...
Xuan Huang   +8 more
doaj   +1 more source

A Retrospective Satellite Analysis of the June 2012 North American Derecho

open access: yesRemote Sensing, 2022
The North American Derecho of 29–30 June 2012 exhibits many classic progressive and serial derecho features. It remains one of the highest-impact derecho-producing convective systems (DCS) over CONUS since 2000.
Kenneth Pryor, Belay Demoz
doaj   +1 more source

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   +1 more source

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