A new approach toward power output enhancement using multirotor systems with shrouded wind turbines

O Yuji, W Koichi - Journal of Energy Resources …, 2019 - asmedigitalcollection.asme.org
A multirotor system (MRS) is defined as containing more than one rotor in a single structure.
MRSs have a great potential as a wind turbine system, saving mass and cost, and showing …

Ducted wind turbines: A review and assessment of different design models

SE Hosseini, Z Saboohi - Wind Engineering, 2024 - journals.sagepub.com
Wind energy technology is progressing at an accelerated pace due to the growing global
demand for renewable energy, particularly horizontal axis wind turbines (HAWTs). Ducted …

Velocity augmentation model for an empty concentrator-diffuser-augmented wind turbine and optimisation of geometrical parameters using surface response …

N Shambira, G Makaka, P Mukumba - Sustainability, 2024 - mdpi.com
Wind energy, renowned for cost-effectiveness and eco-friendliness, addresses global
energy needs amid fossil fuel scarcity and environmental concerns. In low-wind speed …

Parametric study of an empty diffuser geometric parameters and shape for a wind turbine using CFD analysis

DA Teklemariyem, ET Yimer, VR Ancha, BA Zeru - Heliyon, 2024 - cell.com
This research examines the optimal 3D geometric parameters and shape of empty diffusers
to enhance the mass flow rate of the HAWT rotor plane using a detailed parametric study …

Computational fluid dynamic and response surface methodology coupling: A new method for optimization of the duct to be used in ducted wind turbines

J Taghinezhad, S Abdoli, V Silva, S Sheidaei… - Heliyon, 2023 - cell.com
Wind energy technology, particularly power generation by wind turbines, has received
substantial attention due to resource depletion and global warming concerns. These …

A simple theory and performance prediction for a shrouded wind turbine with a brimmed diffuser

K Watanabe, Y Ohya - Energies, 2021 - mdpi.com
We developed a new wind turbine system that consists of a diffuser shroud with a broad-ring
brim at the exit periphery and a wind turbine inside it. The shrouded wind turbine with a …

Multirotor systems using three shrouded wind turbines for power output increase

K Watanabe, Y Ohya - Journal of Energy Resources …, 2019 - asmedigitalcollection.asme.org
Brimmed-diffuser augmented wind turbines (B-DAWTs) can significantly increase the
performance of the rotor. Multirotor systems (MRSs) have a lot of merits such as significant …

Multi-rotor systems using five ducted wind turbines for power output increase (multi lens turbine)

Y Ohya - AIAA Scitech 2019 Forum, 2019 - arc.aiaa.org
HE wind turbine industry has seen innovations leading to growing size of turbines of
currently over 180 meters in diameter. However, as pointed out by some recent studies …

Water turbines with a brimmed diffuser by using wind lens technology

K Watanabe, Y Ohya - International Journal of Energy for a …, 2021 - dl.begellhouse.com
ABSTRACT A diffuser-type structure that is capable of collecting and accelerating the
approaching wind and water flow has been developed. Namely, we have devised a diffuser …

[PDF][PDF] Analytical models for concentrator and diffuser augmented wind turbines: A review

N Shambira, G Makaka, P Mukumba - Int. J. Smart Grid Clean …, 2021 - academia.edu
Energy from wind is envisaged as one of the second largest inexhaustible and clean green
energy resource around the world. It has the potential of replacing fossil fuel based energy …