Starting torque improvement using J-shaped straight-bladed Darrieus vertical axis wind turbine by means of numerical simulation
In this study a 3 kW straight–bladed Darrieus type Vertical Axis Wind Turbine (VAWT) is
investigated numerically using OpenFOAM computational fluid dynamic package. The newly …
investigated numerically using OpenFOAM computational fluid dynamic package. The newly …
Three dimensional simulation of J-shaped Darrieus vertical axis wind turbine
The present research aims to investigate the concept of J-shaped blade in a straight–bladed
Darrieus type VAWT in terms of output torque and power by employing high-fidelity 3D …
Darrieus type VAWT in terms of output torque and power by employing high-fidelity 3D …
Numerical investigations on flow structure and behavior of vortices in the dynamic stall of an oscillating pitching hydrofoil
HR Karbasian, KC Kim - Ocean Engineering, 2016 - Elsevier
This study numerically investigates the behavior of vortices and flow structure in a dynamic
stall phenomenon, especially in post-stall where the flow is highly nonlinear. Computational …
stall phenomenon, especially in post-stall where the flow is highly nonlinear. Computational …
Energy extraction performance of tandem flapping foil undergoing elliptical motion trajectory
The energy extraction performance of tandem flapping was numerically investigated by
varying the flapping trajectory and position between the foils at a Reynolds number of 1173 …
varying the flapping trajectory and position between the foils at a Reynolds number of 1173 …
Numerical analysis of wind turbines blade in deep dynamic stall
This study numerically investigates kinematics of dynamic stall, which is a crucial matter in
wind turbines. Distinct movements of the blade with the same angle of attack (AOA) profile …
wind turbines. Distinct movements of the blade with the same angle of attack (AOA) profile …
The power extraction by flapping foil hydrokinetic turbine in swing arm mode
In the present study the power extraction capability by flapping foil hydrokinetic turbine is
investigated. The heaving motion of the foil is considered in two different motion patterns …
investigated. The heaving motion of the foil is considered in two different motion patterns …
Enhancement of propulsive performance of flapping foil by fish-like motion pattern
HR Karbasian, JA Esfahani - Computers & Fluids, 2017 - Elsevier
In this study, the flapping foil propulsion with a novel motion pattern is numerically
investigated. The proposed motion pattern is inspired from kinematics of fish species, such …
investigated. The proposed motion pattern is inspired from kinematics of fish species, such …
Effects of leading-edge rod on dynamic stall performance of a wind turbine airfoil
J Zhong, J Li, P Guo - … Engineers, Part A: Journal of Power …, 2017 - journals.sagepub.com
A cylindrical rod placed at the leading edge of the S809 airfoil is used as an alternative for
the conventional vortex generators. In this paper, extensive numerical investigations have …
the conventional vortex generators. In this paper, extensive numerical investigations have …
Two-dimensional URANS numerical investigation of critical parameters on a pitch oscillating VAWT airfoil under dynamic stall
In this paper, a thorough 2D unsteady computational fluid dynamic analysis was performed
on a pitching airfoil to properly comprehend the dynamic stall and aerodynamic forces. The …
on a pitching airfoil to properly comprehend the dynamic stall and aerodynamic forces. The …
Dynamic stall characteristics of the bionic airfoil with different waviness ratios
L Wu, X Liu - Applied Sciences, 2021 - mdpi.com
A dynamic stall will cause dramatic changes in the aerodynamic performance of the blade,
resulting in a sharp increase in the blade vibration load. The bionic leading-edge airfoil with …
resulting in a sharp increase in the blade vibration load. The bionic leading-edge airfoil with …