Numerical Study of a Vertical Axis Wind Turbine in Unsteady Inflow

  • Kamyar Mansour
  • Hamidreza Ahmadi

Abstract

This article investigates aerodynamic behavior of a straight three-bladed vertical axis wind turbine with NACA 0022 profile for the blades .Reynolds number in unsteady inflow study is about 8.5×105 .This type of turbine is inherently unsteady regarding to continuous changes of angle of attack, besides as in practice turbine interferes with unsteadiness due to wind gust , aerodynamic behavior and performance variations regarding to these effects is discussed by introducing sinusoidal fluctuating inflow. Turbulence is modeled by Transition K-ω equation which to be solved simultaneously with Unsteady Navier-Stokes equations. Performance at different tip speed ratios is calculated using computational fluid dynamics(CFD) and results are compared with experimental ones for validation purposes

Published
2017-03-15
How to Cite
MANSOUR, Kamyar; AHMADI, Hamidreza. Numerical Study of a Vertical Axis Wind Turbine in Unsteady Inflow. ICTEA: International Conference on Thermal Engineering, [S.l.], v. 2017, mar. 2017. Available at: <http://journals.library.ryerson.ca/ictea/article/view/40>. Date accessed: 20 feb. 2018.
Section
Articles