Results 1 to 10 of about 10,050 (162)

How Wind Shear Affects Trade‐wind Cumulus Convection [PDF]

open access: yesJournal of Advances in Modeling Earth Systems, 2020
Motivated by an observed relationship between marine low cloud cover and surface wind speed, this study investigates how vertical wind shear affects trade‐wind cumulus convection, including shallow cumulus and congestus with tops below the freezing level.
K. C. Helfer   +3 more
doaj   +7 more sources

Wind shear data at two different terrain types [PDF]

open access: yesData in Brief, 2019
The measurement of this data aims to evaluate the wind shear variability at three selected sites in Malaysia. The sites are Kudat in Sabah, Kijal in Terengganu and Langkawi in Kedah.
Aliashim Albani   +2 more
doaj   +2 more sources

Typical Wind Shear Simulation and Detection Analysis Based on Coherent Doppler Wind Lidar [PDF]

open access: yesSensors
To enhance the accuracy of wind shear identification by coherent Doppler wind lidar (CDWL), it is necessary to clarify the variation characteristics of CDWL detection results under typical airflow disturbance conditions.
Yuanyuan Wei   +4 more
doaj   +2 more sources

AI-supported estimation of safety critical wind shear-induced aircraft go-around events utilizing pilot reports [PDF]

open access: yesHeliyon
The occurrence of wind shear and severe thunderstorms during the final approach phase contributes to nearly half of all aviation accidents. Pilots usually employ the go-around procedure in order to lower the likelihood of an unsafe landing.
Afaq Khattak   +4 more
doaj   +2 more sources

Influence of vertical wind shear on wind- and rainfall areas of tropical cyclones making landfall over South Korea. [PDF]

open access: yesPLoS ONE, 2019
The wind- and rainfall areas of tropical cyclones (TCs) making landfall over South Korea were examined for the period 1998-2013 by using the Modern Era Retrospective Analysis for Research and Applications, version 2 (MERRA-2) and Tropical Rainfall ...
Dasol Kim   +3 more
doaj   +2 more sources

Wind–pellet shear sailing

open access: yesActa Astronautica, 2022
A propulsion concept in which a spacecraft interacts with high-velocity pellets and the interstellar medium is proposed. The pellets are slower than the spacecraft and are accelerated backwards as they are overtaken, imparting a forward acceleration on the spacecraft.
Jeffrey K. Greason   +3 more
openaire   +3 more sources

Study of Low-Level Wind Shear and Its Evolution Based on LIDAR and Aircraft Reports Identification

open access: yesGaoyuan qixiang, 2023
Low-level wind shear significantly impacts aviation safety and operational efficiency.Zhongchuan Airport, located in a mountainous inland region, experiences the influence of complex terrain and weather systems.Wind shear is frequently observed during ...
Jie DING   +10 more
doaj   +1 more source

Wind Shear Prediction from Light Detection and Ranging Data Using Machine Learning Methods

open access: yesAtmosphere, 2021
The main aim of this paper is to propose a statistical indicator for wind shear prediction from Light Detection and Ranging (LIDAR) observational data. Accurate warning signal of wind shear is particularly important for aviation safety.
Jingyan Huang   +2 more
doaj   +1 more source

The effect of wind direction shear on turbine performance in a wind farm in central Iowa [PDF]

open access: yesWind Energy Science, 2020
Numerous studies have shown that atmospheric conditions affect wind turbine performance; however, some findings have exposed conflicting results for different locations and diverse analysis methodologies.
M. Sanchez Gomez   +2 more
doaj   +1 more source

Historical analysis (2001–2019) of low‐level wind shear at the Hong Kong International Airport

open access: yesMeteorological Applications, 2022
This paper analyses over 10,000 quality‐controlled pilot reports of low‐level wind shear (‘wind shear’) at the Hong Kong International Airport (HKIA; ICAO code: VHHH) between 2001 and 2019.
Kai‐Kwong Hon, Pak‐wai Chan
doaj   +1 more source

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