Results 11 to 20 of about 24,309 (310)

Low-level wind shear of wind field modeling and simulation

International Journal of Wireless and Mobile Computing, 2022
Abstract Three wind shear wind field modeling methods has been introduced in this paper. By use of computer numerical simulation, the model can not only simulate the real wind shear of wind field, buy can also provide other useful physical quantities.
Zhang Ye, Jia Meng 0007
openaire   +1 more source

The Impacts of Wind Shear on Spatial Variation of the Meteorological Element Field in the Atmospheric Convective Boundary Layer Based on Large Eddy Simulation

Atmosphere, 2022
As wind shear increases, the quasi-two-dimensional structure of flows becomes more significant in the convective boundary layer (CBL), indicating that wind shear plays an essential role in the variation of the field of atmospheric flow.
Hailiang Zhang, Jinfang Yin, Qing He, Minzhong Wang   +3 more
doaj   +1 more source

Impact of Negative Geostrophic Wind Shear on Wind Farm Performance

PRX Energy, 2022
Baroclinicity, which leads to height-dependent driving pressure gradients, occurs in various situations such as the flow transition between land and sea, and sloping terrain.
Anja Stieren, Jens H. Kasper, Srinidhi N. Gadde, Richard J.A.M. Stevens   +3 more
doaj   +1 more source

An expert system for wind shear avoidance [PDF]

Engineering Applications of Artificial Intelligence, 1989
Abstract A study of intelligent guidance and control concepts for protecting against the adverse effects of wind shear during aircraft takeoffs and landings is being conducted, with current emphasis on developing an expert system for wind shear avoidance. Principal objectives are to develop methods for assessing the likelihood of wind shear encounter
Robert F. Stengel, D. Alexander Stratton
openaire   +1 more source

Performance of large-eddy simulations for capturing low-level wind shear at the Hong Kong International Airport for a whole wind-shear (spring) season

Meteorologische Zeitschrift, 2023
The wind-shear reports from pilots from a particular springtime wind-shear season at the Hong Kong International Airport, namely, January to April 2021, are considered in order to study the performance of a meteorological model in large-eddy simulations ...
P.W. Chan, K.K. Lai, Q.S. Li
doaj   +1 more source

Synthesis of a compact wind profile using evolutionary algorithms for wind turbine system with storage [PDF]

, 2012
In this paper, the authors investigate two methodologies for synthesizing compact wind speed profiles by means of evolutionary algorithms. Such profile can be considered as input parameter in a prospective design process by optimization of a passive wind
Jamel Belhadj, Jaafar, Amine, Belhadj, Jamel, Sareni, Bruno, Malek Belouda, Bruno Sareni, Amine Jaafar, Roboam, Xavier, Xavier Roboam, Belouda, Malek   +9 more
core   +1 more source

Low-Level Wind Shear Pre-warning Algorithms Based on Scanning Doppler Lidar [PDF]

EPJ Web of Conferences
Low-level wind shear significantly impacts aviation safety. Doppler lidar is one of the primary tools currently used for detecting low-level wind shear at numerous international airports.
Zhang Hongwei, Zhang Xinyu, Liu Xiaoying, Sun Can, Zhang Kaijun, Chen Lijing, Fu Longyan, Liu Bingyi, Liu Jintao, Wu Songhua   +9 more
doaj   +1 more source

Study of the Algorithm for Wind Shear Detection with Lidar Based on Shear Intensity Factor

Algorithms, 2022
Low-level wind shear is a vital weather process affecting aircraft safety while taking off and landing and is known as the “aircraft killer” in the aviation industry. As a result, effective monitoring and warning are required.
Shijun Zhao, Yulong Shan
doaj   +1 more source

Hub height ocean winds over the North Sea observed by the NORSEWinD LiDAR array : measuring techniques, quality control and data management [PDF]

, 2013
In the North Sea, an array of wind profiling wind lidars were deployed mainly on offshore platforms. The purpose was to observe free stream winds at hub height.
Hasager, Charlotte Bay, Courtney, Michael, Pena, Alfredo, Matthew Stickland, Detlef Stein, Alfredo Peña, Michael Courtney, Andrew Oldroyd, Charlotte Bay Hasager, Matthew Stickl, Hasager, C.B., Stickland, Matthew, Stein, Detlef, Torben Mikkelsen, Stein, F.P. Detlef, Mikkelsen, Torben, Charlotte Hasager, Oldroyd, Andrew   +17 more
core   +1 more source

A Case Study of Low-level Wind Shear in Xining Airport [PDF]

E3S Web of Conferences, 2019
Low-level wind shear is a hazardous phenomenon for aircraft, a low-level wind shear case of Xining airport selected from pilot reports is analysed in this paper.
Xu Ting, Niu Wei
doaj   +1 more source