Results 11 to 20 of about 935,111 (345)

Study of the Characteristics of the Long-Term Persistence of Hourly Wind Speed in Xinjiang Based on Detrended Fluctuation Analysis

Atmosphere, 2023
Profound research on the characteristics of the long-term persistence of wind is greatly significant for understanding the characteristics of wind speed mechanisms as well as for avoiding disasters caused by wind.
Xiuqin Wang, Xinyu Lu, Qinglei Li, Hongkui Zhou, Cheng Li, Xiaohui Zou   +5 more
doaj   +1 more source

Study of Coastal Effects Relevant for Offshore Wind Energy Using Spaceborne Synthetic Aperture Radar (SAR)

Remote Sensing, 2022
Coastal wind speed gradients relevant for offshore windfarming are analysed based on synthetic aperture radar (SAR) data. The study concentrates on situations with offshore wind directions in the German Bight using SAR scenes from the European satellites
Bughsin’ Djath, Johannes Schulz-Stellenfleth, Beatriz Cañadillas   +2 more
doaj   +1 more source

Causal Effect of Leading-Edge Sawtooth Configuration on Flow Field Characteristics and Aerodynamic Losses in the Supersonic Compressor Cascade [PDF]

Journal of Applied Fluid Mechanics
This study focuses on the TM-141 supersonic compressor blade as the subject of investigation. Utilizing the Reynolds-averaged numerical simulation approach, the study examines the impact of the leading-edge sawtooth structure on the blade grid, flow ...
S. J. Hu, Z. J. Wei, M. Ni, G. M. Ren
doaj   +1 more source

Evaluation of the ERA5 Reanalysis Data on the Near-Surface Wind Speed Climate Characteristics and Change Trend Reproduction Ability in Gansu Province

Gaoyuan qixiang, 2023
In order to explore the reanalysis data of ERA5's ability to reproduce wind speed in the surface layer of Gansu Province， this paper uses the surface wind speed data of 80 national meteorological stations in Gansu Province from 1981 to 2020 to analyze ...
Yihao MA, Rui MAO, Yang YANG, Li MA, Shang GOU   +4 more
doaj   +1 more source

Investigation on the impact of design wind speed and control strategy on the performance of fixed-pitch variable-speed wind turbines [PDF]

, 2017
Wind turbine blade design optimization remains one of the fundamental research areas for modern wind turbine technology. The general design process for fixed-pitch variablespeed wind turbine blades assumes the rated wind speed as the design wind speed ...
Liu, Xiongwei, University of Central Lancashire, Xiangtan University   +2 more
core   +1 more source

Quantifying the latitudinal representivity of in situ solar wind observations [PDF]

, 2020
Advanced space-weather forecasting relies on the ability to accurately predict near-Earth solar wind conditions. For this purpose, physics-based, global numerical models of the solar wind are initialized with photospheric magnetic field and coronagraph ...
Lang, Matthew, Lawless, Amos S., Lockwood, Mike, Owens, Mathew J., Riley, Pete   +4 more
core   +1 more source

Potential of Offshore Wind Energy and Extreme Wind Speed Forecasting on the West Coast of Taiwan

Energies, 2015
It is of great importance and urgency for Taiwan to develop offshore wind power. However, relevant data on offshore wind energy resources are limited.
Pei-Chi Chang, Ray-Yeng Yang, Chi-Ming Lai   +2 more
doaj   +1 more source

Analysis and Simulation of Measured Wind Speed and Wind Speed Correction Method of Tower Under Microtopography

Zhongguo dianli, 2022
The operation safety of transmission lines is greatly affected by strong wind, but the previous research lacks the measured wind speed data and ignores the influence of micro topography on wind speed coefficient.
Chunhua FANG, Yuning TAO, Wei ZHANG, Li ZHI, Jing LI   +4 more
doaj   +1 more source

The radial evolution of solar wind speeds [PDF]

, 2011
The WSA-ENLIL model predicts significant evolution of the solar wind speed. Along a flux tube the solar wind speed at 1.0 AU and beyond is found to be significantly altered from the solar wind speed in the outer corona at 0.1 AU, with most of the change ...
Arge, C. N., Hughes, W. J., McGregor, S. L., Odstrcil, D., Schwadron, Nathan A.   +4 more
core   +3 more sources

Numerical Weather Prediction Correction Strategy for Short-Term Wind Power Forecasting Based on Bidirectional Gated Recurrent Unit and XGBoost

Frontiers in Energy Research, 2022
Accurate short-term wind power forecasting (WPF) plays a crucial role in grid scheduling and wind power accommodation. Numerical weather prediction (NWP) wind speed is the fundamental data for short-term WPF.
Yu Li, Fei Tang, Xin Gao, Tongyan Zhang, Junfeng Qi, Jiarui Xie, Xinang Li, Yuhan Guo   +7 more
doaj   +1 more source