Predicting single freestanding transmission tower time history response during complex wind input through a convolutional neural network based surrogate model

J Xue, Z Xiang, G Ou - Engineering Structures, 2021 - Elsevier
As the steel towers in the power system are vulnerable to intensive wind loads, it is essential
to understand their dynamics response to estimate its potential failure. Conventional …

Global estimates of 500 m daily aerodynamic roughness length from MODIS data

Z Peng, R Tang, Y Jiang, M Liu, ZL Li - ISPRS Journal of Photogrammetry …, 2022 - Elsevier
Aerodynamic roughness length (z 0 m) is a key parameter in the characterization of land
surface turbulent heat fluxes and widely used in many surface and climate-related process …

Spatio-temporal dynamics of methane concentration and its association to climatic and vegetation parameters: a case study of the Northern Cape Province, South …

N Mashiyi, L Shikwambana, M Kganyago - Geocarto International, 2024 - Taylor & Francis
Methane (CH4) is the second most abundant anthropogenic greenhouse gas after carbon
dioxide (CO2), accounting for about 20% of global emissions. CH4 anthropogenic emission …

Atmospheric stability effects on offshore and coastal wind resource characteristics in South Korea for developing offshore wind farms

GH Ryu, YG Kim, SJ Kwak, MS Choi, MS Jeong… - Energies, 2022 - mdpi.com
South Korea is surrounded by the sea on three sides. The characteristics of offshore wind
resources vary from region to region due to the influence of the distribution of the coastline …

Modeling of wind turbine wakes under thermally-stratified atmospheric boundary layer

WA El-Askary, IM Sakr, AM AbdelSalam… - Journal of Wind …, 2017 - Elsevier
In the present work, the wake behavior of wind turbines, operating under thermally-stratified
atmospheric boundary layer (ABL), is numerically investigated. The steady state three …

Analysis of boundary layer structure, turbulence, and flux variations before and after the passage of a sea breeze front using meteorological tower data

J Li, J Dou, DH Lenschow, M Zhou, L Meng… - Journal of …, 2023 - Springer
A detailed analysis of a sea breeze front (SBF) that penetrated inland in the Beijing–Tianjin–
Hebei urban agglomeration of China was conducted. We focused on the boundary layer …

Analysis of the power law exponent applied to Lake Erie wind shear

D Corrigan, DH Matthiesen - Wind Engineering, 2017 - journals.sagepub.com
An investigation of power law exponents (wind shear coefficients) was conducted using
LiDAR data collected offshore in Lake Erie. The purpose was to investigate discrepancies …

Impact of large spoilers on a wind turbine blade using full scale and unsteady CFD simulations

T Potentier - 2022 - theses.hal.science
The first objective of the thesis is to characterise the role of the local aerodynamic
unsteadiness introduced by thick aerofoils equipped with root aerodynamic add-on. A …

Improvement of bem analysis to incorporate stall delay effect and the study of atmospheric boundary layer effect on the wake characteristics of NREL phase VI turbine

IFSA Kabir - 2018 - dr.ntu.edu.sg
Steadily increasing energy consumption, fluctuating fuel costs and concerns about global
climate changes have led to the research and evaluation of alternative renewable energies …

[PDF][PDF] An analysis for repowering prediction of jamgodarani wind farm using MATLAB

M Verma, S Ahmed, JL Bhagoria - Int J Eng Technol, 2018 - academia.edu
The development of megawatt class turbines has led to the improvement of wind turbine
technology and design. Re-powering in wind energy is a concept to replace and reduce the …