Design parameters and mechanical efficiency of jet wind turbine under high wind speed conditions
Open Engineering, 2023 Turbines are one of the most important means of producing clean energy, as they do not cause any negative emissions affecting the environment. Recently, the need to design turbines capable of facing strong winds has appeared because the currently ...
Dahham Abbas Waheed +9 more
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Small Horizontal Wind Turbine Design and Aerodynamic Analysis Using Q-Blade Software
مجلة بغداد للعلوم, 2023 Wind energy is one of the most common and natural resources that play a huge role in energy sector, and due to the increasing demand to improve the efficiency of wind turbines and the development of the energy field, improvements have been made to ...
Othman K. Zidane, Yaseen H. Mahmood
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Energies, 2012 A detailed review of the current state-of-art for wind turbine blade design is presented, including theoretical maximum efficiency, propulsion, practical efficiency, HAWT blade design, and blade loads.
Richard J. Crossley, Peter J. Schubel
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Theoretical Calculation of Wind (Or Water) Turbine: Extending the Betz Limit
, 2021 The Betz limit sets a theoretical upper limit for the power production by turbines expressed as a maximum power coefficient of 16/27. Betz’s theory is accurate and it is based on the calculation of kinetic energy.
Pierre Lecanu +3 more
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CFD studies of the effect of holes and angles of upstream duct of horizontal axis wind turbines
AIP Advances, 2023 This work presents an approach to the analysis of duct-augmented wind turbines using Computational Fluid Dynamics (CFD). The main objective is to find the optimum duct shape and design that gives maximum boost to the performance of wind turbines.
Syed Noman Danish +2 more
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Blockage Corrections for Tidal Turbines—Application to an Array of Turbines in the Alderney Race
Energies, 2022 Tidal turbines are located in shallow water depths in comparison to their dimensions (15 m-diameter turbines in 40 m depths, typically). Constrained vertically by the water depth and laterally by neighbouring turbines, the flow within a tidal farm is ...
Nasteho Djama Dirieh +3 more
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Numerical investigation of the optimum wind turbine sitting for domestic flat roofs
Sustainable Buildings, 2018 The power capacity of roof mounted wind turbines is dependent on several factors which influence its energy yield. In this paper, an investigation has been carried out using Computational Fluid Dynamics (CFD) to determine flow distribution and establish ...
Ishfaq Salman Muhammad +1 more
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A large-eddy simulation analysis of collective wind farm axial-induction set points in the presence of blockage [PDF]
Wind Energy ScienceOver the past few years, numerous studies have shown the detrimental impact of flow blockage on wind farm power production. In the present work, we investigate the benefits of a simple collective axial-induction set point strategy for power maximization ...
T. Delvaux, J. Meyers
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A Theory for Power Extraction from Passive Accelerators and Confined Flows
Energies, 2020 No accepted fluid theory exists for power extraction from unpressurized confined flow. The absence of a valid model to determine baseline uniform power extraction in confined flows creates difficulties in characterizing the coefficient of power ...
Robert Freda +2 more
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Theoretical Analysis of Shrouded Horizontal Axis Wind Turbines
Energies, 2017 Numerous analytical studies for power augmentation systems can be found in the literature with the goal to improve the performance of wind turbines by increasing the energy density of the air at the rotor.
Tariq Abdulsalam Khamlaj +1 more
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