Results 41 to 50 of about 4,037,937 (347)

Preliminary design and key components validation of modular recuperated micro gas turbine for small unmanned systems

open access: yesCase Studies in Thermal Engineering
This paper presents an overview of the preliminary design of a modular recuperated micro gas turbine for small unmanned systems, demonstrating the technical feasibility of this integrated power solution.
Zuojun Wei   +5 more
doaj   +1 more source

A cyclo-stationary complex multichannel wiener filter for the prediction of wind speed and direction [PDF]

open access: yes, 2013
This paper develops a linear predictor for application to wind speed and direction forecasting in time and across different sites. The wind speed and direction are modelled via the magnitude and phase of a complex-valued time-series.
Dowell, Jethro   +3 more
core   +1 more source

Influence of Initial Conditions on Wind Characteristics at a Bridge Middle Span in a U-Shaped Valley by CFD and AHP

open access: yesApplied Sciences, 2022
The wind parameter distribution law at a bridge midspan in a U-shaped valley has important influence on the wind strength of this bridges. In this paper, the wind characteristics were researched by computational fluid dynamics (CFD).
Jiawu Li   +4 more
doaj   +1 more source

Modeling and control of a variable speed variable pitch angle prototype wind turbine [PDF]

open access: yes, 2013
This paper focuses on modeling, control and simulation of a 500 KW horizontal axis prototype wind turbine that is being developed in the context of the MILRES (National Wind Energy Systems) Project in Turkey. The prototype turbine is designed as variable
Aksit, Mahmut Faruk   +4 more
core   +2 more sources

Observation analysis of wind climate in China for 1971–2017 under the demand of wind energy evaluation and utilization

open access: yesEnergy Reports, 2021
To meet the requirement of the wind energy resource assessment and utilization, the statistical characteristics of wind climate in the China mainland were analyzed in this study by using observation wind dataset for 1971–2017 from the China ...
Zhenyu Li, Zi-niu Xiao, Chong-wei Zheng
doaj   +1 more source

Power quality issues of 3MW direct-driven PMSG wind turbine [PDF]

open access: yes, 2015
This paper presents power quality issues of a grid connected wind generation system with a MW-class direct-driven permanent magnet synchronous generator (PMSG).
Ahmed, IA, Taylor, GA, Zobaa, AF
core   +1 more source

The optimal wind speed product selection for wind energy assessment under multi-factor constraints

open access: yesCleaner Engineering and Technology
Wind energy is an important part of sustainable energy. Potential assessment of wind energy, based on an appropriate wind speed dataset, is crucial for wind energy development.
Xiaohui Li   +4 more
doaj   +1 more source

Assessment of wind energy potential based on Weibull and Rayleigh distribution models

open access: yesEnergy Reports, 2020
The present study aims to analyze the wind power potential in two locations in Galati county, Romania, before making a decision on the appropriate area for wind turbine installation.
Alexandru Serban   +2 more
doaj   +1 more source

Wind speed prediction using a hybrid model of EEMD and LSTM considering seasonal features

open access: yesEnergy Reports, 2022
As a clean and renewable energy source, wind power is of great significance for addressing global energy shortages and environmental pollution. However, the uncertainty of wind speed hinders the direct use of wind power, resulting in a high proportion of
Yi Yan   +4 more
doaj   +1 more source

Predictive control of wind turbines by considering wind speed forecasting techniques [PDF]

open access: yes, 2009
A wind turbine system is operated such that the points of wind rotor curve and electrical generator curve coincide. In order to obtain maximum power output of a wind turbine generator system, it is necessary to drive the wind turbine at an optimal rotor ...
Jovanovic, Milutin   +3 more
core  

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