Results 11 to 20 of about 913 (177)
Design Spectra for Evaluating the Dynamic Response of Buildings Under Thunderstorm Downbursts
BuildingsThis paper presents a spectral method to determine the effect of thunderstorm downbursts on structures. The method integrates the dynamic response of single oscillators subject to input accelerations induced by wind, based on classical earthquake ...
Jing Song +2 more
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Review of Wind Field Characteristics of Downbursts and Wind Effects on Structures under Their Action
BuildingsDownbursts 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 +3 more
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The Predictability of the Southern England 23 October 2022 Severe Downbursts
Atmospheric Science LettersAccurate prediction of damaging straight‐line wind events from convective storms relies heavily on storm morphology and nowcasting. Utilising the Microburst Wind Potential Index in ensemble forecasts we examine the predictability of its different ...
David L. A. Flack, Kenneth L. Pryor
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On Wind Turbine Loads During Thunderstorm Downbursts in Contrasting Atmospheric Stability Regimes
Energies, 2019 Severe winds produced by thunderstorm downbursts pose a serious risk to the structural integrity of wind turbines. However, guidelines for wind turbine design (such as the International Electrotechnical Commission Standard, IEC 61400-1) do not describe ...
Nan-You Lu +3 more
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Mechanisms of Projected Changes in Thunderstorm Downburst Environments Across the United States
Geophysical Research LettersResponses of downdraft convective available potential energy (DCAPE) to global warming were investigated using the Community Earth System Model (CESM2) under a high‐emission scenario through the year 2100.
Ian N. Williams, Gwendolyn N. Fieweger
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Energies, 2021 Thunderstorm downbursts have been reported to cause damage or failure to wind turbine arrays. We extend a large-eddy simulation model used in previous work to generate downburst-related inflow fields with a view toward defining correlated wind fields ...
Nan-You Lu +3 more
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Weather 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
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Zhejiang dianli, 2023 To analyze the response characteristics and failure modes of transmission towers subjected to the combined effects of downbursts and rainstorms， a numerical simulation based on CFD （computational fluid dynamics） is used to investigate the distribution ...
WANG Shaohua +5 more
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Dual Polarization Radar Characteristics of Severe Downburst Occurred in Weak Vertical Wind Shear
应用气象学报, 2023 Based on S-band Dual polarization doppler radar data and conventional observations, characteristics of 3 severe downbursts occurred under the background of weak vertical wind shear are analyzed, and their possible physical formation mechanisms are ...
Guo Feiyan +3 more
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