Results 71 to 80 of about 3,812 (230)

Comparative Analysis Among Different Performance Improvement Techniques for Wind Turbines in Terms of Energy and Economy for Small, Medium, and Large‐Scale Applications

International Journal of Energy Research, Volume 2025, Issue 1, 2025.
With a view to finding the best approach to maximize the wind energy harvesting from wind turbines, this research has focused towards assessing the effects of different innovative modifications to wind turbines at different wind speed conditions and comparing them in terms of aerodynamic performance, economy, and environmental impact.
Mim Mashrur Ahmed, Mahadi Hasan Masud, Md. Hasibul Hasan Himel, Mhia Md. Zaglul Shahadat, Mucahit Aydin   +4 more
wiley   +1 more source

The Influence of the Number of Semi-Cycindrical Cups on the Behavior of an Experimental Model of Vertical Axis Wind Turbine at Low Wind Speed and no Load

The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, 2020
The work is based on experiments made in the wind tunnel on experimental models of Savonius type wind turbines with blades in the shape of a semicylindrical cup. The number of blades changes: 2, 3, 4, 5 and 6. The experimental model allows the addition /
Nelu CAZACU
doaj   +1 more source

Advancing Piezoelectric Wind Energy Solutions: Evaluating Turbine Rotor Blade Designs for Sustainable Smart City Infrastructure

International Journal of Energy Research, Volume 2025, Issue 1, 2025.
Smart energy solutions are critical to the development of smart cities, aligning with Saudi Arabia’s Vision 2030, which aims to transform urban centers through sustainable technologies. This transformation, driven by the widespread use of smart sensors for traffic regulation, parking systems, and environmental monitoring, requires efficient, eco ...
Saleh Alhumaid, Sattam Alharbi, Shaher Alshammrei, Geng Chen   +3 more
wiley   +1 more source

Numerical Investigation of Inner Blade Effects on the Conventional Savonius Rotor with External Overlap

Journal of Sustainable Development of Energy, Water and Environment Systems, 2020
The Savonius wind turbine is considered as one of the best vertical axis wind turbines for harvesting the kinetic energy from the wind in the urban areas, due to magnificent features such as high starting torque, low construction and maintenance costs ...
Mohanad Al-ghriybah, Mohd F. Zulkafli, Djamal H. Didane   +2 more
doaj   +1 more source

Design and Aerodynamic Performance Study of a Butterfly‐Inspired Vertical Axis Wind Turbine for Urban and Aviation Zone Wind Energy Applications

Modelling and Simulation in Engineering, Volume 2025, Issue 1, 2025.
This study presents the development of a butterfly‐inspired vertical axis wind turbine (BAWT), integrating drag‐ and lift‐based mechanisms inspired by biological structures. By combining Savonius rotors, known for their self‐starting capability and torque stability at low wind speeds, with airfoil blades that enhance performance at higher tip‐speed ...
Avaesprabha Charlesantonyraj, Sundhar Baskar, Senthil Kumar Madasamy, Laxana Sourirajan, Naveen Kumar Kulandaiyappan, Beena Stanislaus Arputharaj, Subhav Singh, Khristina Maksudovna Vafaeva, Parvathy Rajendran, Vijayanandh Raja, Houari Ameur   +10 more
wiley   +1 more source

Comparison of aerodynamics of vertical-axis wind turbine with single and combine Darrieus and Savonius rotors

Results in Engineering
Vertical-axis wind turbines (VAWT) with Darrieus and Savonius rotors were studied based on the developed specialized package of computational aerodynamics.
Dmytro Redchyts, Unai Fernandez-Gamiz, Serhii Tarasov, Koldo Portal-Porras, Andrii Tarasov, Svitlana Moiseienko   +5 more
doaj   +1 more source

Wind speed probabilistic forecast based wind turbine selection and siting for urban environment

IET Renewable Power Generation, Volume 18, Issue 15, Page 3285-3300, 16 November 2024.
This research paper conducts a comprehensive analysis of the available wind energy in Nottingham, UK, identifying the Clifton Campus at Nottingham Trent University as the most suitable location for wind turbine installation. It focuses on comparing eleven wind turbine models, concluding that the QR6 is the most appropriate for further experimental ...
Shivangi Sachar, Shubham Shubham, Piotr Doerffer, Anton Ianakiev, Paweł Flaszyński   +4 more
wiley   +1 more source

An Experimental Study on the Darrieus-Savonius Turbine for the Tidal Current Power Generation

Journal of Fluid Science and Technology, 2008
The Darrieus turbine is popular for tidal current power generation in Japan. It is simple in structure with straight wings rotating around a vertical axis, so that it has no directionality against the motion of tidal flow which changes its direction ...
Yusaku KYOZUKA
doaj   +1 more source

Savonius-Magnus Hybrid Turbine Design Performance Based on Computational Fluid Dynamics

CFD Letters
Savonius turbine is a vertical-axis wind turbine (VAWT), which has the advantage of being able to capture wind from different directions. This turbine is suitable for high turbulent wind areas.
Rr. Heni Hendaryati, Achmad Fauzan Hery Soegiharto, Dolly Salwansyah, Andinusa Rahmandika, Bahrul Jalaali   +4 more
semanticscholar   +1 more source

Comprehensive study of vortices interaction and blades height effect in a Darrieus vertical axis wind turbine with J‐type blades

Energy Science &Engineering, Volume 12, Issue 10, Page 4371-4393, October 2024.
This study utilizes a 3D numerical analysis to examine the influence of different vortices generated on turbine efficiency with straight and J‐type blades. The numerical simulation of this study employs the Reynolds‐averaged Navier–Stokes equations and ‎sliding ‎mesh techniques ‎to model the rotational motion of blades more accurately about the turbine
Ramin Farzadi, Derrick Gharapetian, Majid Bazargan   +2 more
wiley   +1 more source