A review on computational fluid dynamics modeling and simulation of horizontal axis hydrokinetic turbines

S Laín, LT Contreras, O López - Journal of the Brazilian Society of …, 2019 - Springer
Hydrokinetic energy conversion devices provide the facility to capture energy from water
flow without the need of large dams, impoundments, channels or deviation of the water as in …

Single-objective optimization design of convergent-divergent ducts of ducted wind turbine using RSM and GA, to increase power coefficient of a small-scale horizontal …

MA Rahmatian, AN Shahrbabaki, SP Moeini - Energy, 2023 - Elsevier
Nowadays, considering the importance of energy and the important role of wind in energy
production, the present study investigates increasing the power coefficient of wind turbines …

Numerical and experimental study of the ducted diffuser effect on improving the aerodynamic performance of a micro horizontal axis wind turbine

MA Rahmatian, PH Tari, M Mojaddam, S Majidi - Energy, 2022 - Elsevier
In the present study, the impact of utilizing an encompassing duct on the aerodynamic
performance of a micro horizontal axis wind turbine (HAWT) was numerically and …

Performance analysis and offshore applications of the diffuser augmented tidal turbines

W Liu, L Liu, H Wu, Y Chen, X Zheng, N Li… - Ships and Offshore …, 2023 - Taylor & Francis
Diffuser-augmented tidal turbines (DATTs) are determined and regarded as efficient in
converting tidal energy. In this paper, which is stipulated by a large group of researchers, the …

Extensive design and aerodynamic performance investigation of diffuser augmented wind turbine (DAWT) guided by generalized actuator disc theory

S Dogru, O Yilmaz - Renewable and Sustainable Energy Reviews, 2024 - Elsevier
Shrouding a turbine boosts power, lowers cut-in speed, but raises installation costs, and
limits adaptability to wind shifts. A compact, wide-angle DAWT with competitive capacity is …

Numerical and experimental analysis of a diffuser-augmented micro-hydro turbine

K Song, WQ Wang, Y Yan - Ocean Engineering, 2019 - Elsevier
In the current work, a micro-horizontal axis diffuser-augmented turbine (MHDT) system for
renewable energy applications of marine or river stream systems is designed and analyzed …

Performance and wake analysis of horizontal axis tidal current turbine using Improved Delayed Detached Eddy Simulation

M Faizan, S Badshah, M Badshah, BA Haider - Renewable Energy, 2022 - Elsevier
This paper presents the results of hydrodynamic performance and wake assessment for a
horizontal axis tidal current turbine. The three-dimensional instantaneous flow field is …

Experimental study of the effect of the duct on dual co-axial horizontal axis wind turbines and the effect of rotors diameter ratio and distance on increasing power …

MA Rahmatian, PH Tari, S Majidi, M Mojaddam - Energy, 2023 - Elsevier
Due to the recent growing interest in wind energy in urban industry, the present research
investigates the increase in power of a micro-wind system using a duct and an auxiliary …

[HTML][HTML] Design and economic analysis of a hydrokinetic turbine for household applications

CM Puertas-Frías, CS Willson, PA García-Salaberri - Renewable Energy, 2022 - Elsevier
Social and political concerns on climate change have made renewable energy an essential
component of government's work plans. Grid-connected horizontal-axis hydrokinetic …

Finite blade functions and blade element optimization for diffuser-augmented wind turbines

JRP Vaz, VL Okulov, DH Wood - Renewable Energy, 2021 - Elsevier
Placing a diffuser around a wind turbine can increase its power output, but not all
mechanisms by which the diffuser alters the aerodynamics have been investigated …