Results 21 to 30 of about 172 (152)
Automated Recognition of Macro Downburst Using Doppler Weather Radar
Atmosphere, 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
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Semiempirical Models of Speedup Effect for Downburst Wind Field over 3-D Hills
Atmosphere, 2023 Downbursts occur frequently in mountainous regions, such as the southwest of China, and causing extensive damage to engineering structures. While some researchers have developed semiempirical models for the speedup effect, most are based on the wind ...
Bowen Yan, Yini He, Chenyan Ma, Xu Cheng
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Thunderstorm Downbursts and Wind Loading of Structures: Progress and Prospect
Frontiers 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
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Shock 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
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Designing a multi-purpose wind tunnel suitable for limited spaces
Results 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
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Oklahoma Downbursts and Their Asymmetry
Journal of Climate and Applied Meteorology, 1987 Abstract Doppler radar data collected each spring in 1979–1984 with the two Doppler radars operated by the National Severe Storms Laboratory (NSSL) are used to investigate the asymmetry of low-altitude divergent outflows of convective storm downbursts in central Oklahoma.
Michael D. Eilts, Richard J. Doviak
openaire +2 more sources
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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Experimental Simulation of Thunderstorm Profiles in an Atmospheric Boundary Layer Wind Tunnel
Applied 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
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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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Buildings, 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
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