Results 91 to 100 of about 948 (180)

A Study of a Dryline Convective Downburst

, 2006
web page (.html) format, 8 figures; replaced with case study that includes lightning (NLDN ...
openaire   +2 more sources

Wind Field Characteristics of the 13 June 2014 Downburst Event in Beijing Based on Meteorological Tower Records

Atmosphere
Understanding the characteristics of downburst wind fields is crucial for studying structural resistance to downbursts. Based on measured data from the 325 m meteorological tower in Beijing, this paper investigates the spatiotemporal evolution of mean ...
Shi Zhang, Yibo Wang, Zengzhi Qian, Kexin Guo, Xiaoda Xu, Daxing Zhou, Qing Cao   +6 more
doaj   +1 more source

Computational Study on Complex Wind Field Environments in Urban and Marine Low-Altitude Based on Multi-Wind-Turbine Coordination

Applied Sciences
With the rise of the low-altitude economy, there is growing demand for performance and safety evaluation of logistics drones and urban aircraft operating in complex turbulent environments. Conventional wind tunnels, however, face challenges in simulating
Hongxia Gao, Chen Zhao, Siwei Zhang, Kunxiang Liu, Lei Zhu, Jun Yang, Meng Liu   +6 more
doaj   +1 more source

Computational simulation of thunderstorm downbursts and associated wind turbine loads

, 2011
Wind 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

Características de ventos extremos causados por tormentas TS e suas particularidades nos carregamentos em edificações [PDF]

, 2017
As tormentas TS são fenômenos meteorológicos que causam ventos com características diferentes dos ventos típicos da camada limite atmosférica. Estes são causados por tormentas EPS. Portanto, o presente trabalho tem o objetivo de reunir as características
Junges, Bruno Rotunno
core   +1 more source

Experimental and numerical analysis of wind load distribution on large-span double-curved spherical shell roofs under downburst conditions: Terrain effects and radial position sensitivity

Developments in the Built Environment
This study systematically investigated the influence of downbursts on the wind load distribution of large-span hyperbolic spherical roofs under different terrain conditions through the design of scaled models, combined with wind tunnel experiments and ...
Liufeng Su, Xue Li, Qixiang Yan, Yong Yao, Yongjun Deng, Ming Li   +5 more
doaj   +1 more source

Analysis of a Wet Downburst in the Liaodong Peninsula

Gaoyuan qixiang
On September 11， 2020， severe convective weather occurred in the southern part of Liaodong Peninsula， and wet downbursts appeared.The maximum surface wind gust at Dalian Jinzhou Desheng station reached 21.7 m·s-1.By using conventional observation data ...
Xuxuan JIA, Jun LIANG, Xiaochu LIU, Chengcheng FENG, Ziying ZHANG   +4 more
doaj   +1 more source

Modelagem numérica de um sistema de ventos severos (DOWNBURSTS)

, 2005
Tese (doutorado)—Universidade de Brasília, Faculdade de Tecnologia, Departamento de Engenharia Civil e Ambiental, 2005.As tempestades severas causam muitos acidentes envolvendo atividades aeronáuticas e obras civis pelo mundo. Ultimamente, associados aos
Guimarães, Marlos José Ribeiro
core  

Time-frequency vortex characterization in large-scale experimental downbursts

Thunderstorms are severe atmospheric events with dramatic impacts on the Earth's surface. Among their various effects, downburst winds are especially significant, comprising a descending cold downdraft from the thunderstorm cloud and a horizontal outflow
Stefano Brusco, Federico Canepa, Hao-Yu Bin   +2 more
core   +1 more source

Using C-band dual-polarization radar and environmental signatures to improve convective wind nowcasting at Cape Canaveral Air Force Station and Nasa Kennedy Space Center [PDF]

, 2017
The purpose of this study was to identify radar and environmental signatures that may improve lead times and statistical performances of convective wind nowcasts at Cape Canaveral, Florida.
Amiot, Corey G.
core   +1 more source