Author
Andrés Meana-Fernández
Bio: Andrés Meana-Fernández is an academic researcher from University of Oviedo. The author has contributed to research in topics: Vertical axis wind turbine & Airfoil. The author has an hindex of 7, co-authored 14 publications receiving 97 citations.
Papers
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TL;DR: An exhaustive analysis of the influence of solidity, blade Reynolds number and airfoil geometry on the performance of a straight-bladed vertical axis wind turbine has been performed using a methodology based on streamtube models.
37 citations
TL;DR: In this paper, the safe working limits of a 10kVA dry-type transformer with H-class insulation are determined by modeling its thermal response in different scenarios using numerical simulations (CFD).
32 citations
TL;DR: In this article, the aerodynamic field around a FX 63-137 airfoil for four angles of attack and low Reynolds numbers was simulated with a Large Eddy Simulation (LES).
19 citations
TL;DR: In this article, the applicability of the Richardson extrapolation method to the verification of CFD U-RANS simulations of vertical-axis wind turbines (VAWTs) is discussed.
Abstract: There is still discrepancy regarding the verification of CFD U-RANS simulations of vertical-axis wind turbines (VAWTs). In this work, the applicability of the Richardson extrapolation method to ass...
18 citations
TL;DR: In this paper, different turbulence models were applied to predict the performance of a DU-06-W-200 airfoil, a typical choice for vertical-axis wind turbines (VAWT).
Abstract: In this work, different turbulence models were applied to predict the performance of a DU-06-W-200 airfoil, a typical choice for vertical-axis wind turbines (VAWT). A compromise between simulation time and results was sought, focusing on the prediction of aerodynamic forces and the developed flow field. Reynolds-averaged Navier–Stokes equation (U-RANS) models and Scale-Resolving Simulations (SRS), such as Scale-Adaptive Simulation (SAS) and Detached Eddy Simulation (DES), were tested, with k − ω -based turbulence models providing the most accurate predictions of aerodynamic forces. A deeper study of three representative angles of attack (5 ° , 15 ° , and 25 ° ) showed that U-RANS models accurately predict aerodynamic forces with low computational costs. SRS modeling generates more realistic flow patterns: roll-up vortices, vortex packets, and stall cells have been identified, providing a richer unsteady flow-field description. The power spectrum density of velocity at 15 ° has confirmed a broadband spectrum in DES simulations, with a small peak at a Strouhal number of 0.486. Finally, indications regarding the selection of the turbulence model depending on the desired outcome (aerodynamic forces, airfoil flow field, or VAWT simulation) are provided, tending toward U-RANS models for the prediction of aerodynamic forces, and SRS models for flow-field study.
16 citations
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01 Jan 2002
TL;DR: In this article, the aerodynamic design and performance of VAWTs based on the Darrieus concept is discussed, as well as future trends in design and the inherent socioeconomic and environmental friendly aspects of wind energy as an alternate source of energy.
Abstract: Wind energy is the fastest growing alternate source of energy in the world since its purely economic potential is complemented by its great positive environmental impact. The wind turbine, whether it may be a Horizontal-Axis Wind Turbine (HAWT) or a Vertical-Axis Wind Turbine (VAWT), offers a practical way to convert the wind energy into electrical or mechanical energy. Although this book focuses on the aerodynamic design and performance of VAWTs based on the Darrieus concept, it also discusses the comparison between HAWTs and VAWTs, future trends in design and the inherent socio-economic and environmental friendly aspects of wind energy as an alternate source of energy.
549 citations
TL;DR: In this article, the impact of solidity and number of blades on the aerodynamic performance of 2-, 3-and 4-bladed Darrieus H-type vertical axis wind turbines was analyzed.
113 citations
TL;DR: In this article, an attempt is made to review the aerodynamic design parameters which influence the VAWT's aerodynamic efficiency, each parameter is discussed in detail regarding their advantages and disadvantages.
Abstract: The high emission of fossil fuels are major driving forces in renewable energy technology development. In response, the lift-type vertical axis wind turbines (VAWT) is experiencing a renewed interest for large-scale offshore wind energy generation and also for small-scale urban devices. Significant research has been published on the aerodynamic design and optimisation of VAWTs. In this paper, an attempt is made to review the aerodynamic design parameters which influence the VAWT’s aerodynamic efficiency. Each parameter is discussed in detail regarding their advantages and disadvantages. A baseline VAWT design has been put forward from this literature review to support VAWT aerodynamic analysis. Furthermore, areas of future research requiring attention have been identified to further progress the aerodynamic design and development of VAWTs.
69 citations
TL;DR: In this paper, the authors investigated the seismic performance of a wind turbine that is influenced by both the ice load and the seismic load, and proposed a numerical approach for simulating the seismic behavior.
Abstract: To investigate the seismic performance of a wind turbine that is influenced by both the ice load and the seismic load, the research proposes a numerical approach for simulating the seismic behavior...
36 citations
TL;DR: In this article, an on-field measurement campaign has been conducted to analyze the duty cycle of a commercial Diesel-engine yard truck currently used for terminal ports operations, and a preliminary design of the new powertrain and a rule-based energy management strategy have been proposed, and the electric energy and hydrogen consumptions required to achieve the target driving range for roll-on and roll-off operations.
33 citations